information_schema.user_privileges.table_catalog

mysql

type: VARCHAR NOT NULL
5.7-8

mariadb

type: NULL
Note:
Always def.
© 2022 MariaDB
5.1-10.8
type: VARCHAR NOT NULL
Note:
Always def.
© 2022 MariaDB
10.2-10.7

tidb

type: VARCHAR(512) NULL
Note:
The name of the catalog to which the table belongs. This value is always def.
© 2022 PingCAP
4-6.1

postgres

cockroachdb

type: unknown
Note:
Name of the database that the privilege applies to.
© 2022 CockroachDB
2-21.2
Note:
Always equal to def (CockroachDB does not support the notion of catalogs).
© 2022 CockroachDB
1.1

mssql