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Information Schema TABLE_STATISTICS Table

MariaDB 5.2.0

The TABLE_STATISTICS table was introduced in MariaDB 5.2.0 as part of the User Statistics feature.

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 |
+--------------+------------+-----------+--------------+------------------------+

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https://mariadb.com/kb/en/information-schema-table_statistics-table/