information_schema.constraint_table_usage.*| relation | column | mysql | mariadb | tidb | postgres | cockroachdb | mssql | |
|---|---|---|---|---|---|---|---|---|
constraint_table_usage |
||||||||
constraint_catalog |
unsupported | unsupported | unsupported | SQL_IDENTIFIER:
SQL_IDENTIFIER NULL:
| unsupported | NVARCHAR(128) NULL:
| ||
constraint_name |
unsupported | unsupported | unsupported | SQL_IDENTIFIER:
SQL_IDENTIFIER NULL:
| unsupported | SYSNAME NULL:
| ||
constraint_schema |
unsupported | unsupported | unsupported | SQL_IDENTIFIER:
SQL_IDENTIFIER NULL:
| unsupported | NVARCHAR(128) NULL:
| ||
table_catalog |
unsupported | unsupported | unsupported | SQL_IDENTIFIER:
SQL_IDENTIFIER NULL:
| unsupported | NVARCHAR(128) NULL:
| ||
table_name |
unsupported | unsupported | unsupported | SQL_IDENTIFIER:
SQL_IDENTIFIER NULL:
| unsupported | SYSNAME NULL:
| ||
table_schema |
unsupported | unsupported | unsupported | SQL_IDENTIFIER:
SQL_IDENTIFIER NULL:
| unsupported | NVARCHAR(128) NULL:
| ||