Documentazione di PostgreSQL 9.0 > Client Interfaces > The Information Schema > column_udt_usage
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34.11. 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 Sezione 34.12, «columns» for details.

Tabella 34.9. column_udt_usage Columns

NameData TypeDescription
udt_catalogsql_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_schemasql_identifier Name of the schema that the column data type (the underlying type of the domain, if applicable) is defined in
udt_namesql_identifier Name of the column data type (the underlying type of the domain, if applicable)
table_catalogsql_identifierName of the database containing the table (always the current database)
table_schemasql_identifierName of the schema containing the table
table_namesql_identifierName of the table
column_namesql_identifierName of the column

Documentazione di PostgreSQL 9.0 > Client Interfaces > The Information Schema > column_udt_usage
Precedentecolumn_privilegescolumnsSuccessivo