System Variable Index
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System Variable Index

AUTOCOMMIT=1

Section 16.4.1.24, “Replication and Transactions”

Rpl_recovery_rank

Section 12.4.5.30, “SHOW SLAVE HOSTS Syntax”

auto_increment_increment

Section 17.1.5.10, “Previous MySQL Cluster Issues Resolved in MySQL 5.0”
Section 16.1.2.2, “Replication Master Options and Variables”
Section 16.4.1.27, “Replication and Variables”
Section 3.6.9, “Using AUTO_INCREMENT”

auto_increment_offset

Section 17.1.5.10, “Previous MySQL Cluster Issues Resolved in MySQL 5.0”
Section 16.1.2.2, “Replication Master Options and Variables”
Section 16.4.1.27, “Replication and Variables”
Section 3.6.9, “Using AUTO_INCREMENT”

autocommit

Section 12.2.2, “DELETE Syntax”
Section 13.2.8.3, “SELECT ... FOR UPDATE and SELECT ... LOCK IN SHARE MODE Locking Reads”
Section 12.3.1, “START TRANSACTION, COMMIT, and ROLLBACK Syntax”
Section 5.1.3, “Server System Variables”

autocommit = 0

Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 13.2.8.8, “Deadlock Detection and Rollback”
Section 13.2.8.6, “Locks Set by Different SQL Statements in InnoDB”

autocommit = 1

Section 13.2.8.9, “How to Cope with Deadlocks”
Section 12.3.5.1, “Interaction of Table Locking and Transactions”
Section 13.2.14, “Restrictions on InnoDB Tables”
Section 1.8.5.3, “Transactions and Atomic Operations”

autocommit=1

Section 5.1.3, “Server System Variables”

automatic_sp_privileges

Section 12.1.3, “ALTER PROCEDURE Syntax”
Section 12.1.9, “CREATE PROCEDURE and CREATE FUNCTION Syntax”
Section 5.1.3, “Server System Variables”
Section 18.2.2, “Stored Routines and MySQL Privileges”

back_log

Section 5.1.3, “Server System Variables”

backup_elevation

Section 5.1.3, “Server System Variables”

backup_history_log

Section 5.1.3, “Server System Variables”

backup_history_log_file

Section 5.1.2, “Server Command Options”
Section 5.1.3, “Server System Variables”

backup_progress_log

Section 5.1.3, “Server System Variables”

backup_progress_log_file

Section 5.1.2, “Server Command Options”
Section 5.1.3, “Server System Variables”

backup_wait_timeout

Section 5.1.3, “Server System Variables”

backupdir

Section 5.1.3, “Server System Variables”

basedir

Section 5.1.3, “Server System Variables”

bdb_cache_size

Section 5.1.3, “Server System Variables”

bdb_home

Section 5.1.3, “Server System Variables”

bdb_log_buffer_size

Section 5.1.3, “Server System Variables”

bdb_logdir

Section 5.1.3, “Server System Variables”

bdb_max_lock

Section 13.5.3, “BDB Startup Options”
Section 5.1.3, “Server System Variables”

bdb_shared_data

Section 5.1.3, “Server System Variables”

bdb_tmpdir

Section 5.1.3, “Server System Variables”

bdb_version

Section 5.1.3, “Server System Variables”

big_tables

Section 5.1.3, “Server System Variables”

binlog_cache_size

Section 13.5.3, “BDB Startup Options”
Section 16.1.2.4, “Binary Log Options and Variables”
Section 5.1.5, “Server Status Variables”
Section 5.1.3, “Server System Variables”
Section 5.2.3, “The Binary Log”

binlog_direct_non_transactional_updates

Section 16.1.2.4, “Binary Log Options and Variables”
Section 16.4.1.24, “Replication and Transactions”

binlog_format

Section 12.2.5.2, “INSERT DELAYED Syntax”
Section 16.1.2.4, “Binary Log Options and Variables”
Section 11.7, “Date and Time Functions”
Description
Section 11.13, “Information Functions”
Section 11.6.2, “Mathematical Functions”
Section 11.14, “Miscellaneous Functions”
Section 16.4.4, “Replication FAQ”
Section 16.4.1.24, “Replication and Transactions”
Section 16.4.1.16, “Replication of the mysql System Database”
Section 5.1.2, “Server Command Options”

binlog_format=ROW

Section 16.4.1.14, “Replication and MEMORY Tables”
Section 13.10, “The BLACKHOLE Storage Engine”

bulk_insert_buffer_size

Section 13.1.1, “MyISAM Startup Options”
Section 5.1.3, “Server System Variables”
Section 7.3.2.1, “Speed of INSERT Statements”

character_set

Section 5.1.3, “Server System Variables”

character_set_client

Section 12.2.6, “LOAD DATA INFILE Syntax”
Section 12.4.4, “SET Syntax”
Section 12.4.5.8, “SHOW CREATE PROCEDURE Syntax”
Section 12.4.5.10, “SHOW CREATE VIEW Syntax”
Section 12.4.5.26, “SHOW PROCEDURE STATUS Syntax”
Section 12.4.5.35, “SHOW TRIGGERS Syntax”
Section 20.8.5.1, “C API Prepared Statement Type Codes”
Section 9.5, “Character Set Configuration”
Section 9.1.4, “Connection Character Sets and Collations”
Section 16.4.1.27, “Replication and Variables”
Section 5.1.3, “Server System Variables”
Section 19.14, “The INFORMATION_SCHEMA ROUTINES Table”
Section 19.16, “The INFORMATION_SCHEMA TRIGGERS Table”
Section 19.15, “The INFORMATION_SCHEMA VIEWS Table”
Section 5.2.3, “The Binary Log”

character_set_connection

Section 9.1.9.2, “CONVERT() and CAST()”
Section 12.4.4, “SET Syntax”
Section 9.1.3.5, “Character String Literal Character Set and Collation”
Section 9.1.7.5, “Collation of Expressions”
Section 9.1.7.4, “Collations Must Be for the Right Character Set”
Section 9.1.4, “Connection Character Sets and Collations”
Section 11.7, “Date and Time Functions”
Section 11.12, “Encryption and Compression Functions”
Section 9.7, “MySQL Server Locale Support”
Section 16.4.1.27, “Replication and Variables”
Section 9.1.9.1, “Result Strings”
Section 5.1.3, “Server System Variables”
Section 9.1.8, “String Repertoire”
Section 8.1.1, “Strings”
Section 11.2, “Type Conversion in Expression Evaluation”

character_set_database

Section 12.1.9, “CREATE PROCEDURE and CREATE FUNCTION Syntax”
Section 12.2.6, “LOAD DATA INFILE Syntax”
Section 12.4.4, “SET Syntax”
Section 9.1.4, “Connection Character Sets and Collations”
Section 9.1.3.2, “Database Character Set and Collation”
Section 16.4.1.27, “Replication and Variables”
Section 5.1.3, “Server System Variables”

character_set_filesystem

Section 12.2.6, “LOAD DATA INFILE Syntax”
Section 12.2.8, “SELECT Syntax”
Section 5.1.2, “Server Command Options”
Section 5.1.3, “Server System Variables”
Section 11.5, “String Functions”

character_set_results

Section 12.4.4, “SET Syntax”
Section 9.1.6, “Character Set for Error Messages”
Section 9.1.4, “Connection Character Sets and Collations”
Section 5.1.3, “Server System Variables”
Section 9.1.11, “UTF-8 for Metadata”

character_set_server

Section 9.5, “Character Set Configuration”
Section 9.1.4, “Connection Character Sets and Collations”
Section 9.1.3.2, “Database Character Set and Collation”
Section 11.14, “Miscellaneous Functions”
Section 16.4.1.2, “Replication and Character Sets”
Section 16.4.1.27, “Replication and Variables”
Section 9.1.3.1, “Server Character Set and Collation”
Section 5.1.3, “Server System Variables”

character_set_system

Section 9.5, “Character Set Configuration”
Section 5.1.3, “Server System Variables”
Section 9.1.11, “UTF-8 for Metadata”

character_sets

Section 5.1.3, “Server System Variables”

character_sets_dir

Section 9.4.3, “Adding a Simple Collation to an 8-Bit Character Set”
Section 9.4.4, “Adding a UCA Collation to a Unicode Character Set”
Section 5.1.3, “Server System Variables”

collation_connection

Section 9.1.9.2, “CONVERT() and CAST()”
Section 12.4.4, “SET Syntax”
Section 12.4.5.8, “SHOW CREATE PROCEDURE Syntax”
Section 12.4.5.10, “SHOW CREATE VIEW Syntax”
Section 12.4.5.26, “SHOW PROCEDURE STATUS Syntax”
Section 12.4.5.35, “SHOW TRIGGERS Syntax”
Section 9.1.3.5, “Character String Literal Character Set and Collation”
Section 9.1.7.5, “Collation of Expressions”
Section 9.1.7.4, “Collations Must Be for the Right Character Set”
Section 9.1.4, “Connection Character Sets and Collations”
Section 11.7, “Date and Time Functions”
Section 11.12, “Encryption and Compression Functions”
Section 16.4.1.27, “Replication and Variables”
Section 9.1.9.1, “Result Strings”
Section 5.1.3, “Server System Variables”
Section 19.14, “The INFORMATION_SCHEMA ROUTINES Table”
Section 19.16, “The INFORMATION_SCHEMA TRIGGERS Table”
Section 19.15, “The INFORMATION_SCHEMA VIEWS Table”
Section 5.2.3, “The Binary Log”
Section 11.2, “Type Conversion in Expression Evaluation”

collation_database

Section 12.1.9, “CREATE PROCEDURE and CREATE FUNCTION Syntax”
Section 9.1.4, “Connection Character Sets and Collations”
Section 9.1.3.2, “Database Character Set and Collation”
Section 16.4.1.27, “Replication and Variables”
Section 5.1.3, “Server System Variables”
Section 5.2.3, “The Binary Log”

collation_server

Section 9.1.4, “Connection Character Sets and Collations”
Section 9.1.3.2, “Database Character Set and Collation”
Section 16.4.1.2, “Replication and Character Sets”
Section 16.4.1.27, “Replication and Variables”
Section 9.1.3.1, “Server Character Set and Collation”
Section 5.1.3, “Server System Variables”
Section 5.2.3, “The Binary Log”

completion_type

Section 12.3.1, “START TRANSACTION, COMMIT, and ROLLBACK Syntax”
Section 20.8.3.6, “mysql_commit()”
Section 20.8.3.57, “mysql_rollback()”
Section 5.1.3, “Server System Variables”

concurrent_insert

Section 7.7.3, “Concurrent Inserts”
Section 7.7.1, “Internal Locking Methods”
Section 7.3.3, “Other Optimization Tips”
Section 5.1.3, “Server System Variables”

connect_timeout

Section B.5.2.3, “Lost connection to MySQL server”
Section 20.8.3.52, “mysql_real_connect()”
Section B.5.2.11, “Communication Errors and Aborted Connections”
Section 5.1.3, “Server System Variables”
Section 4.2.3.3, “Using Option Files”

connect_timeout = 2

Section 4.2.3.3, “Using Option Files”

convert_character_set

Section 5.1.3, “Server System Variables”

datadir

Section 5.1.3, “Server System Variables”

date_format

Section 5.1.3, “Server System Variables”

datetime_format

Section 5.1.3, “Server System Variables”

debug

Section 5.1.3, “Server System Variables”

debug_sync

Section 5.1.3, “Server System Variables”

default_storage_engine

Section 16.4.1.27, “Replication and Variables”
Section 5.1.3, “Server System Variables”
Section 16.3.2, “Using Replication with Different Master and Slave Storage Engines”

default_week_format

Section 11.7, “Date and Time Functions”
Section 5.1.3, “Server System Variables”

delay_key_write

Section 12.1.10, “CREATE TABLE Syntax”
Section 5.1.3, “Server System Variables”

delayed_insert_limit

Section 12.2.5.2, “INSERT DELAYED Syntax”
Section 5.1.3, “Server System Variables”

delayed_insert_timeout

Section 12.2.5.2, “INSERT DELAYED Syntax”
Section 5.1.3, “Server System Variables”

delayed_queue_size

Section 12.2.5.2, “INSERT DELAYED Syntax”
Section 5.1.3, “Server System Variables”

div_precision_increment

Section 11.6.1, “Arithmetic Operators”
Section 5.1.3, “Server System Variables”

engine_condition_pushdown

Section 7.3.1.5, “Engine Condition Pushdown Optimization”
Section 5.1.2, “Server Command Options”
Section 5.1.3, “Server System Variables”

error_count

Section 12.4.5.14, “SHOW ERRORS Syntax”
Section 5.1.3, “Server System Variables”
Section B.1, “Sources of Error Information”

event_scheduler

Section 5.1.3, “Server System Variables”

expire_logs_days

Section 12.5.1.1, “PURGE BINARY LOGS Syntax”
Section 5.2.5, “Server Log Maintenance”
Section 5.1.3, “Server System Variables”

falcon_consistent_read

Section 12.3.1, “START TRANSACTION, COMMIT, and ROLLBACK Syntax”

flush

Section 5.1.3, “Server System Variables”

flush_time

Section 5.1.3, “Server System Variables”

foreign_key_checks

Section 13.2.4.4, “FOREIGN KEY Constraints”
Section 16.4.1.27, “Replication and Variables”
Section 5.1.6, “Server SQL Modes”
Section 5.1.3, “Server System Variables”
Section 5.2.3, “The Binary Log”

foreign_key_checks = 0

Section 13.2.4.4, “FOREIGN KEY Constraints”
Section 5.1.3, “Server System Variables”

ft_boolean_syntax

Section 11.9.6, “Fine-Tuning MySQL Full-Text Search”
Section 5.1.3, “Server System Variables”

ft_max_word_len

Section 16.1.1.6, “Creating a Data Snapshot Using Raw Data Files”
Section 11.9.6, “Fine-Tuning MySQL Full-Text Search”
Section 5.1.3, “Server System Variables”

ft_min_word_len

Section 11.9.2, “Boolean Full-Text Searches”
Section 16.1.1.6, “Creating a Data Snapshot Using Raw Data Files”
Section 11.9.6, “Fine-Tuning MySQL Full-Text Search”
Section 5.1.3, “Server System Variables”

ft_min_word_len=4

Section 11.9.2, “Boolean Full-Text Searches”

ft_query_expansion_limit

Section 5.1.3, “Server System Variables”

ft_stopword_file

Section 16.1.1.6, “Creating a Data Snapshot Using Raw Data Files”
Section 11.9.6, “Fine-Tuning MySQL Full-Text Search”
Section 5.1.3, “Server System Variables”

general_log

Section 5.1.2, “Server Command Options”
Section 5.1.3, “Server System Variables”
Section 5.2.2, “The General Query Log”
Section 1.5, “What Is New in MySQL 5.0”

general_log_file

Section 5.1.3, “Server System Variables”
Section 5.2.2, “The General Query Log”

group_concat_max_len

Section 11.15.1, “GROUP BY (Aggregate) Functions”
Section 5.1.3, “Server System Variables”

have_archive

Section 5.1.3, “Server System Variables”

have_bdb

Section 5.1.3, “Server System Variables”

have_blackhole_engine

Section 5.1.3, “Server System Variables”

have_community_features

Section 5.1.3, “Server System Variables”

have_compress

Section 5.1.3, “Server System Variables”

have_crypt

Section 5.1.3, “Server System Variables”

have_csv

Section 5.1.3, “Server System Variables”

have_dynamic_loading

Section 5.1.3, “Server System Variables”

have_example_engine

Section 5.1.3, “Server System Variables”

have_federated_engine

Section 5.1.3, “Server System Variables”

have_geometry

Section 5.1.3, “Server System Variables”

have_innodb

Section B.5.5.5, “Rollback Failure for Nontransactional Tables”
Section 5.1.3, “Server System Variables”

have_isam

Section 5.1.3, “Server System Variables”

have_merge_engine

Section 5.1.3, “Server System Variables”

have_ndbcluster

Section 17.3.4.3, “MySQL Cluster System Variables”

have_openssl

Section 5.1.3, “Server System Variables”
Section 5.5.6.2, “Using SSL Connections”

have_partitioning

Section 5.1.3, “Server System Variables”

have_profiling

Section 5.1.3, “Server System Variables”

have_query_cache

Section 7.6.3.3, “Query Cache Configuration”
Section 5.1.3, “Server System Variables”

have_raid

Section 5.1.3, “Server System Variables”

have_row_based_replication

Section 5.1.3, “Server System Variables”

have_rtree_keys

Section 5.1.3, “Server System Variables”

have_ssl

Section 5.1.3, “Server System Variables”
Section 5.5.6.2, “Using SSL Connections”

have_symlink

Section 5.1.3, “Server System Variables”

hostname

Section 5.1.3, “Server System Variables”

identity

Section 16.4.1.27, “Replication and Variables”
Section 5.1.3, “Server System Variables”

ignore_builtin_innodb

Section 13.2.3, “InnoDB Startup Options and System Variables”

init_connect

Section 12.3.1, “START TRANSACTION, COMMIT, and ROLLBACK Syntax”
Section 9.1.5, “Configuring the Character Set and Collation for Applications”
Section 16.1.2.3, “Replication Slave Options and Variables”
Section 5.1.3, “Server System Variables”

init_file

Section 5.1.3, “Server System Variables”

init_slave

Section 16.1.2.3, “Replication Slave Options and Variables”

innodb_adaptive_flushing

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_adaptive_hash_index

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_additional_mem_pool_size

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_autoextend_increment

Section 13.2.2, “InnoDB Configuration”
Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 13.2.5, “Adding, Removing, or Resizing InnoDB Data and Log Files”

innodb_autoinc_lock_mode

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_buffer_pool_awe_mem_mb

Section 13.2.2, “InnoDB Configuration”
Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_buffer_pool_size

Section 13.2.12.1, “InnoDB Error Codes”
Section 13.2.13.1, “InnoDB Performance Tuning Tips”
Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 7.6.2, “The InnoDB Buffer Pool”

innodb_change_buffering

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_checksums

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_commit_concurrency

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_concurrency_tickets

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_data_file_path

Section 13.2.2, “InnoDB Configuration”
Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 13.2.5, “Adding, Removing, or Resizing InnoDB Data and Log Files”
Section 13.2.2.4, “Dealing with InnoDB Initialization Problems”
Chapter 13, Storage Engines
Section 13.2.2.2, “Using Raw Devices for the Shared Tablespace”

innodb_data_home_dir

Section 13.2.2, “InnoDB Configuration”
Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 13.2.2.4, “Dealing with InnoDB Initialization Problems”

innodb_doublewrite

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_fast_shutdown

Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 13.2.5, “Adding, Removing, or Resizing InnoDB Data and Log Files”
Section 5.1.9, “The Shutdown Process”

innodb_file_format

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_file_format_check

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_file_format_max

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_file_io_threads

Section 13.2.13.2.1, “InnoDB Standard Monitor and Lock Monitor Output”
Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 21.1.1, “MySQL Threads”

innodb_file_per_table

Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 13.2.13.2.2, “InnoDB Tablespace Monitor Output”
Section 13.2.4.5, “InnoDB and MySQL Replication”
Section 13.2.2.3, “Creating the InnoDB Tablespace”
Section 13.2.12.2, “Operating System Error Codes”
Section 16.3.4, “Replicating Different Databases to Different Slaves”
Section 13.2.13.4, “Troubleshooting InnoDB Data Dictionary Operations”
Section 13.2.2.1, “Using Per-Table Tablespaces”

innodb_file_per_table=1

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_flush_log_at_trx_commit

Section 13.2.13.1, “InnoDB Performance Tuning Tips”
Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_flush_method

Section 13.2.13.1, “InnoDB Performance Tuning Tips”
Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_flush_method = O_DIRECT

Section 13.2.13.1, “InnoDB Performance Tuning Tips”

innodb_force_recovery

Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 13.2.6.2, “Forcing InnoDB Recovery”

innodb_io_capacity

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_lock_wait_timeout

Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 13.2.8.8, “Deadlock Detection and Rollback”
Section 16.4.1.22, “Replication Retries and Timeouts”
Section 16.1.2.3, “Replication Slave Options and Variables”

innodb_locks_unsafe_for_binlog

Section 13.2.8.4, “InnoDB Record, Gap, and Next-Key Locks”
Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 12.3.6, “SET TRANSACTION Syntax”
Section 13.2.8.2, “Consistent Nonlocking Reads”
Section 13.2.8.6, “Locks Set by Different SQL Statements in InnoDB”

innodb_log_arch_dir

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_log_archive

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_log_buffer_size

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_log_file_size

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_log_files_in_group

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_log_group_home_dir

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_max_dirty_pages_pct

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_max_purge_lag

Section 13.2.9, “InnoDB Multi-Versioning”
Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_mirrored_log_groups

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_old_blocks_pct

Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 7.6.2, “The InnoDB Buffer Pool”

innodb_old_blocks_time

Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 7.6.2, “The InnoDB Buffer Pool”

innodb_open_files

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_purge_batch_size

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_purge_threads

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_read_ahead_threshold

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_read_io_threads

Section 13.2.13.2.1, “InnoDB Standard Monitor and Lock Monitor Output”
Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 21.1.1, “MySQL Threads”

innodb_replication_delay

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_rollback_on_timeout

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_spin_wait_delay

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_stats_on_metadata

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_stats_sample_pages

Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 13.2.14, “Restrictions on InnoDB Tables”

innodb_strict_mode

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_support_xa

Section 13.2.13.1, “InnoDB Performance Tuning Tips”
Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 13.2.8.9, “How to Cope with Deadlocks”

innodb_sync_spin_loops

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_table_locks

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_thread_concurrency

Section 13.2.13.2.1, “InnoDB Standard Monitor and Lock Monitor Output”
Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 7.9.4, “How MySQL Uses Threads for Client Connections”

innodb_thread_sleep_delay

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_use_legacy_cardinality_algorithm

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_use_native_aio

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_use_native_aio=0

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_use_sys_malloc

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_version

Section 13.2.3, “InnoDB Startup Options and System Variables”

innodb_write_io_threads

Section 13.2.13.2.1, “InnoDB Standard Monitor and Lock Monitor Output”
Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 21.1.1, “MySQL Threads”

insert_id

Section 5.1.3, “Server System Variables”

interactive_timeout

Section 20.8.3.52, “mysql_real_connect()”
Section B.5.2.11, “Communication Errors and Aborted Connections”
Section 2.20.4.1, “FreeBSD Notes”
Section 2.20.2.1, “Mac OS X 10.x (Darwin)”
Section 5.1.3, “Server System Variables”

join_buffer_size

Section 7.3.1.8, “Nested-Loop Join Algorithms”
Section 5.1.3, “Server System Variables”

join_cache_level

Section 5.1.3, “Server System Variables”

keep_files_on_create

Section 5.1.3, “Server System Variables”

key_buffer_size

Section 7.2.3, “Estimating Query Performance”
Section 7.9.5, “How MySQL Uses Memory”
Section 6.6.3, “How to Repair MyISAM Tables”
Section 7.6.1.2, “Multiple Key Caches”
Section 7.6.1.6, “Restructuring a Key Cache”
Section 5.1.2, “Server Command Options”
Section 5.1.5, “Server Status Variables”
Section 5.1.3, “Server System Variables”
Section 7.3.2.3, “Speed of DELETE Statements”
Section 7.3.2.1, “Speed of INSERT Statements”
Section 7.3.2.4, “Speed of REPAIR TABLE Statements”
Section 5.1.4.1, “Structured System Variables”
Section 7.6.1, “The MyISAM Key Cache”
Section 7.9.3, “Tuning Server Parameters”
Section 4.2.3.3, “Using Option Files”

key_cache_age_threshold

Section 7.6.1.3, “Midpoint Insertion Strategy”
Section 5.1.3, “Server System Variables”
Section 5.1.4.1, “Structured System Variables”

key_cache_block_size

Section 7.6.1.5, “Key Cache Block Size”
Section 7.6.1.6, “Restructuring a Key Cache”
Section 5.1.3, “Server System Variables”
Section 5.1.4.1, “Structured System Variables”

key_cache_division_limit

Section 7.6.1.3, “Midpoint Insertion Strategy”
Section 5.1.3, “Server System Variables”
Section 5.1.4.1, “Structured System Variables”

language

Section 5.1.3, “Server System Variables”

large_files_support

Section 5.1.3, “Server System Variables”

large_page_size

Section 5.1.3, “Server System Variables”

large_pages

Section 5.1.3, “Server System Variables”

last_insert_id

Section 16.4.1.27, “Replication and Variables”
Section 5.1.3, “Server System Variables”

lc_messages

Section 5.1.3, “Server System Variables”
Section 9.2, “Setting the Error Message Language”

lc_messages_dir

Section 5.1.3, “Server System Variables”
Section 9.2, “Setting the Error Message Language”

lc_time_names

Section 11.7, “Date and Time Functions”
Section 9.7, “MySQL Server Locale Support”
Section 16.4.1.27, “Replication and Variables”
Section 5.1.3, “Server System Variables”
Section 11.5, “String Functions”

license

Section 5.1.3, “Server System Variables”

local_infile

Section 5.1.3, “Server System Variables”

lock_wait_timeout

Section 5.1.3, “Server System Variables”

locked_in_memory

Section 5.1.3, “Server System Variables”

log

Section 5.1.2, “Server Command Options”
Section 5.1.3, “Server System Variables”

log_backup_output

Section 5.1.3, “Server System Variables”

log_bin

Section 16.1.2.4, “Binary Log Options and Variables”
Section 17.3.4.3, “MySQL Cluster System Variables”
Section 5.1.3, “Server System Variables”

log_bin_trust_function_creators

Section 16.1.2.4, “Binary Log Options and Variables”
Section 18.6, “Binary Logging of Stored Programs”
Section 5.1.3, “Server System Variables”
Section 1.5, “What Is New in MySQL 5.0”

log_error

Section 5.1.3, “Server System Variables”

log_output

Section 5.1.3, “Server System Variables”
Section 5.2.2, “The General Query Log”
Section 5.2.4, “The Slow Query Log”

log_queries_not_using_indexes

Section 5.1.3, “Server System Variables”

log_slave_updates

Section 16.1.2.4, “Binary Log Options and Variables”
Section 5.1.3, “Server System Variables”

log_slow_queries

Section 5.1.2, “Server Command Options”
Section 5.1.3, “Server System Variables”

log_update

Section 5.1.3, “Server System Variables”

log_warnings

Section 5.1.3, “Server System Variables”
Section 5.2.1, “The Error Log”

long_query_time

Description
Section 5.2, “MySQL Server Logs”
Section 16.1.2.3, “Replication Slave Options and Variables”
Section 5.1.2, “Server Command Options”
Section 5.1.5, “Server Status Variables”
Section 5.1.3, “Server System Variables”
Section 5.2.4, “The Slow Query Log”

low_priority_updates

Section 5.1.3, “Server System Variables”
Section 7.7.2, “Table Locking Issues”

lower_case_file_system

Section 5.1.3, “Server System Variables”

lower_case_table_names

Section 13.2.4.4, “FOREIGN KEY Constraints”
Section 12.4.1.3, “GRANT Syntax”
Section 12.4.1.5, “REVOKE Syntax”
Section 1.7, “How to Report Bugs or Problems”
Section 8.2.2, “Identifier Case Sensitivity”
Section 5.1.3, “Server System Variables”

max_allowed_packet

Section 11.15.1, “GROUP BY (Aggregate) Functions”
Section B.5.2.3, “Lost connection to MySQL server”
Section B.5.2.9, “MySQL server has gone away”
Section B.5.2.10, “Packet too large”
Section 12.4.5.31, “SHOW SLAVE STATUS Syntax”
Section 20.8.3.71, “mysql_use_result()”
Section B.5.2.11, “Communication Errors and Aborted Connections”
Section 11.3.2, “Comparison Functions and Operators”
Section B.5.5.6, “Deleting Rows from Related Tables”
Section 7.9.5, “How MySQL Uses Memory”
Section 20.8, “MySQL C API”
Section 5.1.3, “Server System Variables”
Section 11.5, “String Functions”
Section 10.4.3, “The BLOB and TEXT Types”
Section 4.2.3.3, “Using Option Files”

max_binlog_cache_size

Section 13.5.3, “BDB Startup Options”
Section 16.1.2.4, “Binary Log Options and Variables”
Section 5.2.3, “The Binary Log”

max_binlog_size

Section 16.1.2.4, “Binary Log Options and Variables”
Section 5.2, “MySQL Server Logs”
Section 5.2.5, “Server Log Maintenance”
Section 5.1.3, “Server System Variables”
Section 5.2.3, “The Binary Log”
Section 16.2.2.1, “The Slave Relay Log”

max_connect_errors

Section 12.4.6.2, “FLUSH Syntax”
Section B.5.2.6, “Host 'host_name' is blocked”
Section 5.1.3, “Server System Variables”

max_connections

Section B.5.2.18, “'File' Not Found and Similar Errors”
Section B.5.2.7, “Too many connections”
Section 21.4.1.4, “Debugging mysqld under gdb”
Section 7.8.2, “How MySQL Opens and Closes Tables”
Section 7.9.4, “How MySQL Uses Threads for Client Connections”
Section 2.20.1.4, “Linux Post-Installation Notes”
Section 5.4.1, “Privileges Provided by MySQL”
Section 5.1.2, “Server Command Options”
Section 5.1.3, “Server System Variables”

max_connections+1

Section B.5.2.7, “Too many connections”

max_delayed_threads

Section 5.1.3, “Server System Variables”

max_error_count

Section 12.2.6, “LOAD DATA INFILE Syntax”
Section 12.4.5.37, “SHOW WARNINGS Syntax”
Section 5.1.3, “Server System Variables”

max_heap_table_size

Section B.5.2.12, “The table is full”
Section 7.8.4, “How MySQL Uses Internal Temporary Tables”
Section D.2, “Restrictions on Server-Side Cursors”
Section 5.1.5, “Server Status Variables”
Section 5.1.3, “Server System Variables”
Section 13.4, “The MEMORY (HEAP) Storage Engine”

max_insert_delayed_threads

Section 5.1.3, “Server System Variables”

max_join_size

Section 4.5.1.1, “mysql Options”
Section 7.2.2, “EXPLAIN Output Format”
Section 12.4.4, “SET Syntax”
Section 5.1.3, “Server System Variables”
Section 5.1.4, “Using System Variables”

max_length_for_sort_data

Section 7.3.1.11, “ORDER BY Optimization”
Section 5.1.3, “Server System Variables”

max_prepared_stmt_count

Section 12.6, “SQL Syntax for Prepared Statements”
Section 5.1.5, “Server Status Variables”
Section 5.1.3, “Server System Variables”

max_relay_log_size

Section 16.1.2.4, “Binary Log Options and Variables”
Section 16.1.2.3, “Replication Slave Options and Variables”
Section 5.1.3, “Server System Variables”
Section 16.2.2.1, “The Slave Relay Log”

max_seeks_for_key

Section 13.2.14, “Restrictions on InnoDB Tables”
Section 5.1.3, “Server System Variables”

max_sort_length

Section 12.1.10, “CREATE TABLE Syntax”
Section 5.1.3, “Server System Variables”
Section 10.4.3, “The BLOB and TEXT Types”

max_sp_recursion_depth

Section 5.1.3, “Server System Variables”
Section 18.2.1, “Stored Routine Syntax”

max_tmp_tables

Section 7.8.2, “How MySQL Opens and Closes Tables”
Section 5.1.3, “Server System Variables”

max_user_connections

Section 12.4.1.3, “GRANT Syntax”
Section 5.3.3, “Making MySQL Secure Against Attackers”
Section 5.4.2, “Privilege System Grant Tables”
Section 5.1.3, “Server System Variables”
Section 5.5.4, “Setting Account Resource Limits”

max_write_lock_count

Section 5.1.3, “Server System Variables”
Section 7.7.2, “Table Locking Issues”

min_examined_row_limit

Section 5.1.3, “Server System Variables”
Section 5.2.4, “The Slow Query Log”

myisam_data_pointer_size

Section 12.1.10, “CREATE TABLE Syntax”
Section B.5.2.12, “The table is full”
Section 5.1.3, “Server System Variables”

myisam_max_extra_sort_file_size

Section 13.1.1, “MyISAM Startup Options”
Section 5.1.3, “Server System Variables”

myisam_max_sort_file_size

Section 13.1.1, “MyISAM Startup Options”
Section 5.1.3, “Server System Variables”
Section 7.3.2.4, “Speed of REPAIR TABLE Statements”

myisam_mmap_size

Section 5.1.3, “Server System Variables”

myisam_recover_options

Section 5.1.3, “Server System Variables”

myisam_repair_threads

Section 5.1.3, “Server System Variables”

myisam_sort_buffer_size

Section 12.1.4, “ALTER TABLE Syntax”
Section 13.1.1, “MyISAM Startup Options”
Section 5.1.3, “Server System Variables”
Section 7.3.2.4, “Speed of REPAIR TABLE Statements”

myisam_stats_method

Section 7.5.4, “MyISAM Index Statistics Collection”
Section 5.1.3, “Server System Variables”

myisam_use_mmap

Section 7.9.5, “How MySQL Uses Memory”
Section 5.1.3, “Server System Variables”

named_pipe

Section 5.1.3, “Server System Variables”

ndb_autoincrement_prefetch_sz

Section 17.3.4.3, “MySQL Cluster System Variables”

ndb_cache_check_time

Section 17.3.4.3, “MySQL Cluster System Variables”

ndb_extra_logging

Section 17.3.4.3, “MySQL Cluster System Variables”

ndb_force_send

Section 17.3.4.3, “MySQL Cluster System Variables”

ndb_index_stat_cache_entries

Section 17.3.4.3, “MySQL Cluster System Variables”

ndb_index_stat_enable

Section 17.3.4.3, “MySQL Cluster System Variables”

ndb_index_stat_update_freq

Section 17.3.4.3, “MySQL Cluster System Variables”

ndb_log_bin

Section 17.3.4.3, “MySQL Cluster System Variables”

ndb_log_binlog_index

Section 17.3.4.3, “MySQL Cluster System Variables”

ndb_optimized_node_selection

Section 17.3.4.3, “MySQL Cluster System Variables”
Section 17.5.4.3, “Using CLUSTERLOG STATISTICS in the MySQL Cluster Management Client”

ndb_report_thresh_binlog_epoch_slip

Section 17.3.4.3, “MySQL Cluster System Variables”

ndb_report_thresh_binlog_mem_usage

Section 17.3.4.3, “MySQL Cluster System Variables”

ndb_table_no_logging

Section 17.3.4.3, “MySQL Cluster System Variables”

ndb_table_temporary

Section 17.3.4.3, “MySQL Cluster System Variables”

ndb_use_copying_alter_table

Section 17.3.4.3, “MySQL Cluster System Variables”

ndb_use_exact_count

Section 17.3.4.3, “MySQL Cluster System Variables”

ndb_use_transactions

Section 17.3.4.3, “MySQL Cluster System Variables”

ndb_wait_connected

Section 17.3.4.3, “MySQL Cluster System Variables”

ndb_wait_setup

Section 17.3.4.3, “MySQL Cluster System Variables”

ndbinfo_database

Section 17.3.4.3, “MySQL Cluster System Variables”

ndbinfo_max_bytes

Section 17.3.4.3, “MySQL Cluster System Variables”

ndbinfo_max_rows

Section 17.3.4.3, “MySQL Cluster System Variables”

ndbinfo_show_hidden

Section 17.3.4.3, “MySQL Cluster System Variables”

ndbinfo_table_prefix

Section 17.3.4.3, “MySQL Cluster System Variables”

ndbinfo_version

Section 17.3.4.3, “MySQL Cluster System Variables”

net_buffer_length

Section 4.5.1.1, “mysql Options”
Description
Section 7.9.5, “How MySQL Uses Memory”
Section 20.8, “MySQL C API”
Section 5.1.3, “Server System Variables”

net_read_timeout

Section 12.5.2.2, “LOAD DATA FROM MASTER Syntax”
Section B.5.2.3, “Lost connection to MySQL server”
Section 2.20.4.1, “FreeBSD Notes”
Section 2.20.2.1, “Mac OS X 10.x (Darwin)”
Section 5.1.3, “Server System Variables”

net_retry_count

Section 20.8.3.49, “mysql_options()”
Section 5.1.3, “Server System Variables”

net_write_timeout

Section 12.5.2.2, “LOAD DATA FROM MASTER Syntax”
Section 5.1.3, “Server System Variables”

new

Section 5.1.3, “Server System Variables”

old

Section 12.2.8.2, “Index Hint Syntax”
Section 5.1.3, “Server System Variables”

old_alter_table

Section 5.1.3, “Server System Variables”

old_passwords

Section 5.1.3, “Server System Variables”

one_shot

Section 5.1.3, “Server System Variables”

open_files_limit

Section B.5.2.18, “'File' Not Found and Similar Errors”
Section 5.1.3, “Server System Variables”

optimizer_join_cache_level

Section 5.1.3, “Server System Variables”

optimizer_prune_level

Section 7.4, “Controlling the Query Optimizer”
Section 5.1.3, “Server System Variables”

optimizer_search_depth

Section 7.4, “Controlling the Query Optimizer”
Section 5.1.3, “Server System Variables”

optimizer_switch

Section 7.3.1.5, “Engine Condition Pushdown Optimization”
Section 5.1.3, “Server System Variables”

optimizer_use_mrr

Section 5.1.3, “Server System Variables”

performance_schema_events_waits_history_long_size

Section 12.4.5.12, “SHOW ENGINE Syntax”

performance_schema_events_waits_history_size

Section 12.4.5.12, “SHOW ENGINE Syntax”

performance_schema_max_thread_instances

Section 12.4.5.12, “SHOW ENGINE Syntax”

pid_file

Section 5.1.3, “Server System Variables”

plugin_dir

Section 12.4.3.1, “CREATE FUNCTION Syntax”
Section 21.2.2.5, “Compiling and Installing User-Defined Functions”
Section 2.16, “Installing MySQL from tar.gz Packages on Other Unix-Like Systems”
Section 5.3.3, “Making MySQL Secure Against Attackers”
Section 5.1.2, “Server Command Options”
Section 5.1.3, “Server System Variables”
Section 2.17.1, “Source Installation Overview”
Section 21.2.2.6, “User-Defined Function Security Precautions”

port

Section B.5.2.2, “Can't connect to [local] MySQL server”
Section 5.1.3, “Server System Variables”

preload_buffer_size

Section 5.1.3, “Server System Variables”

prepared_stmt_count

Section 5.1.3, “Server System Variables”

profiling

Section 12.4.5.29, “SHOW PROFILES Syntax”
Section 5.1.3, “Server System Variables”
Section 19.17, “The INFORMATION_SCHEMA PROFILING Table”

profiling_history_size

Section 12.4.5.29, “SHOW PROFILES Syntax”
Section 5.1.3, “Server System Variables”

protocol_version

Section 5.1.3, “Server System Variables”

pseudo_thread_id

Section 16.4.1.27, “Replication and Variables”
Section 5.1.3, “Server System Variables”

query_alloc_block_size

Section 5.1.3, “Server System Variables”

query_cache_limit

Section 7.6.3.3, “Query Cache Configuration”
Section 5.1.3, “Server System Variables”

query_cache_min_res_unit

Section 7.6.3.3, “Query Cache Configuration”
Section 5.1.3, “Server System Variables”

query_cache_size

Section 7.6.3.3, “Query Cache Configuration”
Section 5.1.3, “Server System Variables”
Section 7.6.3, “The MySQL Query Cache”
Section 5.1.4, “Using System Variables”

query_cache_type

Section 12.2.8, “SELECT Syntax”
Section 7.6.3.2, “Query Cache SELECT Options”
Section 7.6.3.3, “Query Cache Configuration”
Section 5.1.5, “Server Status Variables”
Section 5.1.3, “Server System Variables”

query_cache_type=0

Section 7.6.3.3, “Query Cache Configuration”
Section 5.1.3, “Server System Variables”

query_cache_wlock_invalidate

Section 5.1.3, “Server System Variables”

query_prealloc_size

Section 5.1.3, “Server System Variables”

rand_seed1

Section 5.1.3, “Server System Variables”

rand_seed2

Section 5.1.3, “Server System Variables”

range_alloc_block_size

Section 5.1.3, “Server System Variables”

read_buffer_size

Section 7.9.5, “How MySQL Uses Memory”
Section 5.1.3, “Server System Variables”
Section 7.3.2.4, “Speed of REPAIR TABLE Statements”
Section 7.9.3, “Tuning Server Parameters”
Section 1.5, “What Is New in MySQL 5.0”

read_only

Section 5.4.1, “Privileges Provided by MySQL”
Section 5.1.3, “Server System Variables”

read_rnd_buffer_size

Section 7.3.1.11, “ORDER BY Optimization”
Section 7.9.5, “How MySQL Uses Memory”
Section 5.1.3, “Server System Variables”
Section 7.9.3, “Tuning Server Parameters”

relay_log_purge

Section 12.5.2.1, “CHANGE MASTER TO Syntax”
Section 5.1.3, “Server System Variables”

relay_log_recovery

Section 16.1.2.3, “Replication Slave Options and Variables”

relay_log_space_limit

Section 7.10.6, “Replication Slave I/O Thread States”
Section 5.1.3, “Server System Variables”

report_host

Section 5.1.3, “Server System Variables”

report_password

Section 5.1.3, “Server System Variables”

report_port

Section 5.1.3, “Server System Variables”

report_user

Section 5.1.3, “Server System Variables”

restore_disables_events

Section 5.1.3, “Server System Variables”

restore_elevation

Section 5.1.3, “Server System Variables”

restore_precheck

Section 5.1.3, “Server System Variables”

rpl_recovery_rank

Section 16.1.2.3, “Replication Slave Options and Variables”

rpl_semi_sync_master_enabled

Section 5.1.3, “Server System Variables”

rpl_semi_sync_master_reply_log_file_pos

Section 5.1.3, “Server System Variables”

rpl_semi_sync_master_timeout

Section 5.1.3, “Server System Variables”

rpl_semi_sync_master_trace_level

Section 5.1.3, “Server System Variables”

rpl_semi_sync_master_wait_no_slave

Section 5.1.3, “Server System Variables”

rpl_semi_sync_slave_enabled

Section 5.1.3, “Server System Variables”

rpl_semi_sync_slave_trace_level

Section 5.1.3, “Server System Variables”

safe_show_database

Section 5.1.3, “Server System Variables”

secure_auth

Section 5.1.3, “Server System Variables”

secure_backup_file_priv

Section 5.1.3, “Server System Variables”

secure_file_priv

Section 12.2.6, “LOAD DATA INFILE Syntax”
Section 12.2.8, “SELECT Syntax”
Section 5.1.3, “Server System Variables”
Section 11.5, “String Functions”

server_id

Section 17.3.4.2, “mysqld Command Options for MySQL Cluster”
Section 12.4.5.31, “SHOW SLAVE STATUS Syntax”
Description
Section 11.14, “Miscellaneous Functions”
Section 17.3.4.3, “MySQL Cluster System Variables”
Section 5.1.3, “Server System Variables”

server_id_bits

Section 17.3.4.2, “mysqld Command Options for MySQL Cluster”
Section 17.3.4.3, “MySQL Cluster System Variables”

server_uuid

Section 16.1.2, “Replication and Binary Logging Options and Variables”

shared_memory

Section 5.1.3, “Server System Variables”

shared_memory_base_name

Section 5.1.3, “Server System Variables”

skip_external_locking

Section 7.7.4, “External Locking”
Section 5.1.3, “Server System Variables”

skip_name_resolve

Section 5.1.3, “Server System Variables”

skip_networking

Section 5.1.3, “Server System Variables”

skip_show_database

Section 5.1.3, “Server System Variables”

slave_compressed_protocol

Section 16.1.2.3, “Replication Slave Options and Variables”

slave_exec_mode

Section 16.1.2.3, “Replication Slave Options and Variables”

slave_exec_mode=IDEMPOTENT

Section 16.4.1.14, “Replication and MEMORY Tables”

slave_load_tmpdir

Section 16.1.2.3, “Replication Slave Options and Variables”
Section 5.1.3, “Server System Variables”

slave_net_timeout

Section 12.5.2.1, “CHANGE MASTER TO Syntax”
Section 16.1.3.1, “Checking Replication Status”
Section 16.4.4, “Replication FAQ”
Section 7.10.6, “Replication Slave I/O Thread States”
Section 16.1.2.3, “Replication Slave Options and Variables”
Section 16.4.1.13, “Replication and Master or Slave Shutdowns”
Section 5.1.3, “Server System Variables”

slave_skip_errors

Section 16.1.2.3, “Replication Slave Options and Variables”

slave_transaction_retries

Section 16.4.1.22, “Replication Retries and Timeouts”
Section 16.1.2.3, “Replication Slave Options and Variables”

slave_type_conversions

Section 16.1.2.3, “Replication Slave Options and Variables”

slow_launch_time

Section 5.1.5, “Server Status Variables”
Section 5.1.3, “Server System Variables”

slow_query_log

Section 5.1.3, “Server System Variables”
Section 5.2.4, “The Slow Query Log”

slow_query_log_file

Section 5.1.3, “Server System Variables”
Section 5.2.4, “The Slow Query Log”

socket

Section 5.1.3, “Server System Variables”

sort_buffer_size

Section 7.3.1.11, “ORDER BY Optimization”
Section 6.6.3, “How to Repair MyISAM Tables”
Section 5.1.5, “Server Status Variables”
Section 5.1.3, “Server System Variables”
Section 7.9.3, “Tuning Server Parameters”

sql_auto_is_null

Section 11.3.2, “Comparison Functions and Operators”
Section 16.4.1.27, “Replication and Variables”
Section 5.1.3, “Server System Variables”
Section 5.2.3, “The Binary Log”

sql_auto_is_null = 0

Section 11.3.2, “Comparison Functions and Operators”

sql_big_selects

Section 5.1.3, “Server System Variables”

sql_buffer_result

Section 5.1.3, “Server System Variables”

sql_log_bin

Section 12.5.1.3, “SET sql_log_bin Syntax”
Section C.1, “Changes in Release 5.0.x (Production)”
Section 17.1.5.8, “Issues Exclusive to MySQL Cluster”
Section 17.1.5.1, “Noncompliance with SQL Syntax in MySQL Cluster”
Section 5.1.3, “Server System Variables”
Section 16.4.3, “Upgrading a Replication Setup”

sql_log_off

Section 5.2.5, “Server Log Maintenance”
Section 5.1.3, “Server System Variables”
Section 5.2.2, “The General Query Log”

sql_log_update

Section C.1, “Changes in Release 5.0.x (Production)”
Section 5.1.3, “Server System Variables”

sql_mode

Section 12.1.9, “CREATE PROCEDURE and CREATE FUNCTION Syntax”
Section 12.1.11, “CREATE TRIGGER Syntax”
Section 12.4.5.10, “SHOW CREATE VIEW Syntax”
Section 12.4.5.35, “SHOW TRIGGERS Syntax”
Section 10.3.1.1, “TIMESTAMP Properties”
Section 11.17.3, “Expression Handling”
Section 1.7, “How to Report Bugs or Problems”
Section 11.17, “Precision Math”
Section B.5.5.2, “Problems Using DATE Columns”
Section 16.4.1.5, “Replication and DIRECTORY Table Options”
Section 16.4.1.27, “Replication and Variables”
Section 1.8.3, “Running MySQL in ANSI Mode”
Section 1.8.2, “Selecting SQL Modes”
Section 5.1.6, “Server SQL Modes”
Section 5.1.3, “Server System Variables”
Section 19.14, “The INFORMATION_SCHEMA ROUTINES Table”
Section 19.16, “The INFORMATION_SCHEMA TRIGGERS Table”
Section 19.15, “The INFORMATION_SCHEMA VIEWS Table”
Section 5.2.3, “The Binary Log”
Section 5.1.4, “Using System Variables”

sql_notes

Section 12.4.5.37, “SHOW WARNINGS Syntax”
Section 5.1.3, “Server System Variables”

sql_quote_show_create

Section 12.4.5.6, “SHOW CREATE DATABASE Syntax”
Section 12.4.5.9, “SHOW CREATE TABLE Syntax”
Section 5.1.3, “Server System Variables”

sql_safe_updates

Section 5.1.3, “Server System Variables”

sql_select_limit

Section 5.1.3, “Server System Variables”

sql_slave_skip_counter

Section 12.5.2.6, “SET GLOBAL sql_slave_skip_counter Syntax”
Section 12.4.5.31, “SHOW SLAVE STATUS Syntax”
Section 16.1.2.3, “Replication Slave Options and Variables”

sql_warnings

Section 5.1.3, “Server System Variables”

ssl_ca

Section 5.1.3, “Server System Variables”

ssl_capath

Section 5.1.3, “Server System Variables”

ssl_cert

Section 5.1.3, “Server System Variables”

ssl_cipher

Section 5.1.3, “Server System Variables”

ssl_key

Section 5.1.3, “Server System Variables”

storage_engine

Section 16.4.1.27, “Replication and Variables”
Section 5.1.3, “Server System Variables”
Chapter 13, Storage Engines
Section 16.3.2, “Using Replication with Different Master and Slave Storage Engines”
Section 1.5, “What Is New in MySQL 5.0”

sync_binlog

Section 13.2.3, “InnoDB Startup Options and System Variables”
Section 16.1.2.4, “Binary Log Options and Variables”
Section 5.2.3, “The Binary Log”

sync_binlog=1

Section 16.4.1.13, “Replication and Master or Slave Shutdowns”

sync_frm

Section 5.1.3, “Server System Variables”

sync_master_info

Section 16.1.2.3, “Replication Slave Options and Variables”

sync_relay_log

Section 16.1.2.3, “Replication Slave Options and Variables”

sync_relay_log_info

Section 16.1.2.3, “Replication Slave Options and Variables”
Section 16.4.1.13, “Replication and Master or Slave Shutdowns”

sync_relay_log_info=1

Section 16.4.1.13, “Replication and Master or Slave Shutdowns”

system_time_zone

Section 9.6, “MySQL Server Time Zone Support”
Section 5.1.2, “Server Command Options”
Section 5.1.3, “Server System Variables”

table_cache

Section B.5.2.18, “'File' Not Found and Similar Errors”
Section 7.10.2, “General Thread States”
Section 7.8.2, “How MySQL Opens and Closes Tables”
Section 7.9.5, “How MySQL Uses Memory”
Section 5.1.2, “Server Command Options”
Section 5.1.5, “Server Status Variables”
Section 5.1.3, “Server System Variables”
Section 7.9.3, “Tuning Server Parameters”

table_definition_cache

Section 5.1.3, “Server System Variables”

table_lock_wait_timeout

Section 5.1.3, “Server System Variables”

table_open_cache

Section B.5.2.18, “'File' Not Found and Similar Errors”
Section 7.10.2, “General Thread States”
Section 7.8.2, “How MySQL Opens and Closes Tables”
Section 7.9.5, “How MySQL Uses Memory”
Section 5.1.2, “Server Command Options”
Section 5.1.5, “Server Status Variables”
Section 5.1.3, “Server System Variables”
Section 7.9.3, “Tuning Server Parameters”

table_type

Section 16.4.1.27, “Replication and Variables”
Section 5.1.3, “Server System Variables”
Chapter 13, Storage Engines
Section 16.3.2, “Using Replication with Different Master and Slave Storage Engines”
Section 1.5, “What Is New in MySQL 5.0”

thread_cache_size

Section 21.4.1.4, “Debugging mysqld under gdb”
Section 7.9.4, “How MySQL Uses Threads for Client Connections”
Section 7.3.3, “Other Optimization Tips”
Section 5.1.5, “Server Status Variables”
Section 5.1.3, “Server System Variables”

thread_concurrency

Section 5.1.3, “Server System Variables”

thread_handling

Section 7.9.4, “How MySQL Uses Threads for Client Connections”
Section 5.1.3, “Server System Variables”

thread_pool_size

Section 7.9.4, “How MySQL Uses Threads for Client Connections”
Section 5.1.3, “Server System Variables”

thread_stack

Section 7.9.5, “How MySQL Uses Memory”
Section 5.1.3, “Server System Variables”
Section 18.2.1, “Stored Routine Syntax”

time_format

Section 5.1.3, “Server System Variables”

time_zone

Section 10.3.1.1, “TIMESTAMP Properties”
Section 11.7, “Date and Time Functions”
Section 9.6, “MySQL Server Time Zone Support”
Section 16.4.1.27, “Replication and Variables”
Section 5.1.2, “Server Command Options”
Section 5.1.3, “Server System Variables”

timed_mutexes

Section 12.4.5.12, “SHOW ENGINE Syntax”
Section 12.4.5.22, “SHOW MUTEX STATUS Syntax”
Section 5.1.3, “Server System Variables”

timestamp

Section 16.4.1.27, “Replication and Variables”

timestamp = {timestamp_value | DEFAULT}

Section 5.1.3, “Server System Variables”

timezone

Section 5.1.3, “Server System Variables”

tmp_table_size

Section B.5.2.12, “The table is full”
Section 7.8.4, “How MySQL Uses Internal Temporary Tables”
Section 7.9.5, “How MySQL Uses Memory”
Section 5.1.5, “Server Status Variables”
Section 5.1.3, “Server System Variables”

tmpdir

Section B.5.2.13, “Can't create/write to file”
Section 7.3.1.11, “ORDER BY Optimization”
Section 16.3.1.2, “Backing Up Raw Data from a Slave”
Section 6.2, “Database Backup Methods”
Section 16.1.2.3, “Replication Slave Options and Variables”
Section 5.1.3, “Server System Variables”

transaction_alloc_block_size

Section 5.1.3, “Server System Variables”

transaction_allow_batching

Section 5.1.3, “Server System Variables”

transaction_prealloc_size

Section 5.1.3, “Server System Variables”

tx_isolation

Section 12.3.6, “SET TRANSACTION Syntax”
Section 5.1.3, “Server System Variables”

unique_checks

Section 13.2.4.2, “Converting Tables from Other Storage Engines to InnoDB”
Section 16.4.1.27, “Replication and Variables”
Section 5.1.3, “Server System Variables”
Section 5.2.3, “The Binary Log”

updatable_views_with_limit

Section 5.1.3, “Server System Variables”
Section 18.4.3, “Updatable and Insertable Views”

version

Section 5.1.3, “Server System Variables”

version_bdb

Section 5.1.3, “Server System Variables”

version_comment

Section 5.1.3, “Server System Variables”

version_compile_machine

Section 5.1.3, “Server System Variables”

version_compile_os

Section 5.1.3, “Server System Variables”

wait_timeout

Section B.5.2.9, “MySQL server has gone away”
Section 20.8.3.52, “mysql_real_connect()”
Section B.5.2.11, “Communication Errors and Aborted Connections”
Section 2.20.4.1, “FreeBSD Notes”
Section 2.20.2.1, “Mac OS X 10.x (Darwin)”
Section 5.1.3, “Server System Variables”

warning_count

Section 12.4.5.37, “SHOW WARNINGS Syntax”
Section 5.1.3, “Server System Variables”
Section B.1, “Sources of Error Information”
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