column_udt_usage The view column_udt_usage identifies all columns
that use data types owned by a currently enabled role. Note that in
PostgreSQL, built-in data types behave
like user-defined types, so they are included here as well. See
also Section 36.16 for details.
Table 36.13. column_udt_usage Columns
| Name | Data Type | Description |
|---|---|---|
udt_catalog | sql_identifier | Name of the database that the column data type (the underlying type of the domain, if applicable) is defined in (always the current database) |
udt_schema | sql_identifier | Name of the schema that the column data type (the underlying type of the domain, if applicable) is defined in |
udt_name | sql_identifier | Name of the column data type (the underlying type of the domain, if applicable) |
table_catalog | sql_identifier | Name of the database containing the table (always the current database) |
table_schema | sql_identifier | Name of the schema containing the table |
table_name | sql_identifier | Name of the table |
column_name | sql_identifier | Name of the column |