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 | bigint(21) | The number of rows read from the table. |
ROWS_CHANGED | bigint(21) | The number of rows changed in the table. |
ROWS_CHANGED_X_INDEXES | bigint(21) | The number of rows changed in the table, multiplied by the number of indexes changed. |
ROWS_INSERTED | bigint(21) | From MariaDB 11.5 |
ROWS_UPDATED | bigint(21) | From MariaDB 11.5 |
ROWS_DELETED | bigint(21) | From MariaDB 11.5 |
KEY_READ_HITS | bigint(21) | From MariaDB 11.5 |
KEY_READ_MISSES | bigint(21) | From MariaDB 11.5 |
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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