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 37.17 for details.
column_udt_usage ColumnsColumn 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