DBA_ADVISOR_SQLSTATS

4.35 DBA_ADVISOR_SQLSTATS

DBA_ADVISOR_SQLSTATS displays execution statistics for the test-execution of different SQL plans during the advisor analysis.

Related View

USER_ADVISOR_SQLSTATS displays execution statistics owned by the current user for the test-execution of different SQL plans during the advisor analysis.

Column	Datatype	NULL	Description
`TASK_NAME`	`VARCHAR2(128)`		Advisor task name in which the SQL statement was executed (see `DBA_ADVISOR_TASKS`)
`TASK_ID`	`NUMBER(38)`	`NOT NULL`	Advisor task ID in which the SQL statement was executed (see `DBA_ADVISOR_TASKS`)
`EXECUTION_NAME`	`VARCHAR2(128)`	`NOT NULL`	Advisor task execution in which the SQL statement was executed (see `DBA_ADVISOR_EXECUTIONS`)
`EXECUTION_TYPE`	`VARCHAR2(128)`		Type of the advisor task execution in which the SQL statement was executed (see `DBA_ADVISOR_EXECUTIONS`)
`OBJECT_ID`	`NUMBER(38)`	`NOT NULL`	Advisor object ID identifying the relevant SQL statement (see `DBA_ADVISOR_OBJECTS`)
`PLAN_ID`	`NUMBER`	`NOT NULL`	Plan ID number generated to uniquely identify a plan for a particular SQL statement (foreign key to `DBA_ADVISOR_SQLPLANS`)
`SQL_ID`	`VARCHAR2(13)`	`NOT NULL`	Identifier for the SQL statement executed
`PLAN_HASH_VALUE`	`NUMBER`	`NOT NULL`	Hash value of the SQL execution plan
`ATTR1`	`NUMBER`		Reserved for internal use
`CON_DBID`	`NUMBER`		The database ID of the pluggable database (PDB)
`PARSE_TIME`	`NUMBER`		Parse time (in microseconds) measured for the SQL
`ELAPSED_TIME`	`NUMBER`		Elapsed time (in microseconds) to execute the SQL and fetch all of its rows, after parsing
`CPU_TIME`	`NUMBER`		CPU time (in microseconds) to execute the SQL and fetch all of its rows, after parsing
`USER_IO_TIME`	`NUMBER`		I/O time (in microseconds) to execute the SQL and fetch all of its rows, after parsing
`BUFFER_GETS`	`NUMBER`		Number of buffer gets measured for executing the SQL and fetching all of its rows
`DISK_READS`	`NUMBER`		Number of disk reads measured for executing the SQL and fetching all of its rows
`DIRECT_WRITES`	`NUMBER`		Number of direct writes measured for executing the SQL and fetching all of its rows
`PHYSICAL_READ_REQUESTS`	`NUMBER`		Number of physical read I/O requests issued by the monitored SQL
`PHYSICAL_WRITE_REQUESTS`	`NUMBER`		Number of physical write I/O requests issued by the monitored SQL
`PHYSICAL_READ_BYTES`	`NUMBER`		Number of bytes read from disks by the monitored SQL
`PHYSICAL_WRITE_BYTES`	`NUMBER`		Number of bytes written to disks by the monitored SQL
`ROWS_PROCESSED`	`NUMBER`		Number of rows returned by the SQL execution
`FETCHES`	`NUMBER`		Number of fetches for the SQL execution
`EXECUTIONS`	`NUMBER`		Execution count for the SQL. This column will always have a value of `1` or `0`.
`END_OF_FETCH_COUNT`	`NUMBER`		Indicates whether the SQL was executed to end-of-fetch (`1`) or not (`0`)
`OPTIMIZER_COST`	`NUMBER`		Optimizer cost for the execution plan
`OTHER`	`CLOB`		Reserved for future use
`TESTEXEC_TOTAL_EXECS`	`NUMBER`		Total number of executions during test execute
`IO_INTERCONNECT_BYTES`	`NUMBER`		Number of I/O bytes exchanged between Oracle Database and the storage system
`TESTEXEC_FIRST_EXEC_IGNORED`	`VARCHAR2(1)`		Indicates whether the first execution in test execute is ignored (`Y`) or not (`N`)
`CON_DBID`	`NUMBER`		The database ID of the PDB