`information_schema.partitions.data_free`

mysql

type: BIGINT NULL

8

type: BIGINT NOT NULL

5.7

mariadb

type: NULL

Note:

Unused bytes allocated to the partition.

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5.1-10.8

type: BIGINT NOT NULL

Note:

Unused bytes allocated to the partition.

© 2022 MariaDB

10.2-10.7

tidb

type: BIGINT(21) NULL

4-6.1

postgres

cockroachdb

mssql