Information Schema TABLE_STATISTICS Table
The Information Schema TABLE_STATISTICS
table shows statistics on table usage.
This is part of the User Statistics feature, which is not enabled by default.
It contains the following columns:
Field | Type | Notes |
---|---|---|
TABLE_SCHEMA |
varchar(192) |
The schema (database) name. |
TABLE_NAME |
varchar(192) |
The table name. |
ROWS_READ |
int(21) |
The number of rows read from the table. |
ROWS_CHANGED |
int(21) |
The number of rows changed in the table. |
ROWS_CHANGED_X_INDEXES |
int(21) |
The number of rows changed in the table, multiplied by the number of indexes changed. |
Example
SELECT * FROM INFORMATION_SCHEMA.TABLE_STATISTICS WHERE TABLE_NAME='user'; +--------------+------------+-----------+--------------+------------------------+ | TABLE_SCHEMA | TABLE_NAME | ROWS_READ | ROWS_CHANGED | ROWS_CHANGED_X_INDEXES | +--------------+------------+-----------+--------------+------------------------+ | mysql | user | 5 | 2 | 2 | +--------------+------------+-----------+--------------+------------------------+
Content reproduced on this site is the property of its respective owners, and this content is not reviewed in advance by MariaDB. The views, information and opinions expressed by this content do not necessarily represent those of MariaDB or any other party.
© 2021 MariaDB
Licensed under the Creative Commons Attribution 3.0 Unported License and the GNU Free Documentation License.
https://mariadb.com/kb/en/information-schema-table_statistics-table/