`information_schema.role_table_grants.table_catalog`

mysql

type: VARCHAR NOT NULL

type: SQL_IDENTIFIER NULL

Note:

Name of the database that contains the table (always the current database)

10-15

type: SQL_IDENTIFIER

Note:

Name of the database that contains the table (always the current database)

7.4-9.6

type: unknown

Note:

Name of the database containing the table.

2-21.2