Chapter 21 INFORMATION_SCHEMA Tables

21.1 Introduction
21.2 The INFORMATION_SCHEMA CHARACTER_SETS Table
21.3 The INFORMATION_SCHEMA COLLATIONS Table
21.4 The INFORMATION_SCHEMA COLLATION_CHARACTER_SET_APPLICABILITY Table
21.5 The INFORMATION_SCHEMA COLUMNS Table
21.6 The INFORMATION_SCHEMA COLUMN_PRIVILEGES Table
21.7 The INFORMATION_SCHEMA ENGINES Table
21.8 The INFORMATION_SCHEMA EVENTS Table
21.9 The INFORMATION_SCHEMA GLOBAL_STATUS and SESSION_STATUS Tables
21.10 The INFORMATION_SCHEMA GLOBAL_VARIABLES and SESSION_VARIABLES Tables
21.11 The INFORMATION_SCHEMA KEY_COLUMN_USAGE Table
21.12 The INFORMATION_SCHEMA OPTIMIZER_TRACE Table
21.13 The INFORMATION_SCHEMA PARAMETERS Table
21.14 The INFORMATION_SCHEMA PARTITIONS Table
21.15 The INFORMATION_SCHEMA PLUGINS Table
21.16 The INFORMATION_SCHEMA PROCESSLIST Table
21.17 The INFORMATION_SCHEMA PROFILING Table
21.18 The INFORMATION_SCHEMA REFERENTIAL_CONSTRAINTS Table
21.19 The INFORMATION_SCHEMA ROUTINES Table
21.20 The INFORMATION_SCHEMA SCHEMATA Table
21.21 The INFORMATION_SCHEMA SCHEMA_PRIVILEGES Table
21.22 The INFORMATION_SCHEMA STATISTICS Table
21.23 The INFORMATION_SCHEMA TABLES Table
21.24 The INFORMATION_SCHEMA TABLESPACES Table
21.25 The INFORMATION_SCHEMA TABLE_CONSTRAINTS Table
21.26 The INFORMATION_SCHEMA TABLE_PRIVILEGES Table
21.27 The INFORMATION_SCHEMA TRIGGERS Table
21.28 The INFORMATION_SCHEMA USER_PRIVILEGES Table
21.29 The INFORMATION_SCHEMA VIEWS Table
21.30 INFORMATION_SCHEMA InnoDB Tables
- 21.30.1 The INFORMATION_SCHEMA INNODB_BUFFER_PAGE Table
- 21.30.2 The INFORMATION_SCHEMA INNODB_BUFFER_PAGE_LRU Table
- 21.30.3 The INFORMATION_SCHEMA INNODB_BUFFER_POOL_STATS Table
- 21.30.4 The INFORMATION_SCHEMA INNODB_CMP and INNODB_CMP_RESET Tables
- 21.30.5 The INFORMATION_SCHEMA INNODB_CMPMEM and INNODB_CMPMEM_RESET Tables
- 21.30.6 The INFORMATION_SCHEMA INNODB_CMP_PER_INDEX and INNODB_CMP_PER_INDEX_RESET Tables
- 21.30.7 The INFORMATION_SCHEMA INNODB_FT_BEING_DELETED Table
- 21.30.8 The INFORMATION_SCHEMA INNODB_FT_CONFIG Table
- 21.30.9 The INFORMATION_SCHEMA INNODB_FT_DEFAULT_STOPWORD Table
- 21.30.10 The INFORMATION_SCHEMA INNODB_FT_DELETED Table
- 21.30.11 The INFORMATION_SCHEMA INNODB_FT_INDEX_CACHE Table
- 21.30.12 The INFORMATION_SCHEMA INNODB_FT_INDEX_TABLE Table
- 21.30.13 The INFORMATION_SCHEMA INNODB_LOCKS Table
- 21.30.14 The INFORMATION_SCHEMA INNODB_LOCK_WAITS Table
- 21.30.15 The INFORMATION_SCHEMA INNODB_METRICS Table
- 21.30.16 The INFORMATION_SCHEMA INNODB_SYS_COLUMNS Table
- 21.30.17 The INFORMATION_SCHEMA INNODB_SYS_DATAFILES Table
- 21.30.18 The INFORMATION_SCHEMA INNODB_SYS_FIELDS Table
- 21.30.19 The INFORMATION_SCHEMA INNODB_SYS_FOREIGN Table
- 21.30.20 The INFORMATION_SCHEMA INNODB_SYS_FOREIGN_COLS Table
- 21.30.21 The INFORMATION_SCHEMA INNODB_SYS_INDEXES Table
- 21.30.22 The INFORMATION_SCHEMA INNODB_SYS_TABLES Table
- 21.30.23 The INFORMATION_SCHEMA INNODB_SYS_TABLESPACES Table
- 21.30.24 The INFORMATION_SCHEMA INNODB_SYS_TABLESTATS View
- 21.30.25 The INFORMATION_SCHEMA INNODB_TRX Table
21.31 INFORMATION_SCHEMA NDB Cluster Tables
- 21.31.1 The INFORMATION_SCHEMA FILES Table
- 21.31.2 The INFORMATION_SCHEMA ndb_transid_mysql_connection_map Table
21.32 INFORMATION_SCHEMA Thread Pool Tables
- 21.32.1 The INFORMATION_SCHEMA TP_THREAD_GROUP_STATE Table
- 21.32.2 The INFORMATION_SCHEMA TP_THREAD_GROUP_STATS Table
- 21.32.3 The INFORMATION_SCHEMA TP_THREAD_STATE Table
21.33 INFORMATION_SCHEMA Connection-Control Tables
- 21.33.1 The INFORMATION_SCHEMA CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS Table
21.34 INFORMATION_SCHEMA MySQL Enterprise Firewall Tables
- 21.34.1 The INFORMATION_SCHEMA MYSQL_FIREWALL_USERS Table
- 21.34.2 The INFORMATION_SCHEMA MYSQL_FIREWALL_WHITELIST Table
21.35 Extensions to SHOW Statements

INFORMATION_SCHEMA provides access to database metadata, information about the MySQL server such as the name of a database or table, the data type of a column, or access privileges. Other terms that are sometimes used for this information are data dictionary and system catalog.