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

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)

ROWS_UPDATED

bigint(21)

ROWS_DELETED

bigint(21)

KEY_READ_HITS

bigint(21)

KEY_READ_MISSES

bigint(21)

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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