OleDbSchemaGuid::Column_Domain_Usage Field
Returns the columns defined in the catalog that are dependent on a domain defined in the catalog and owned by a given user.
Assembly: System.Data (in System.Data.dll)
Column_Domain_Usage maps to the OLE DB COLUMN_DOMAIN_USAGE rowset. Unless otherwise specified, restriction columns are returned in the following order.
Restriction column | CLR data type | Description |
|---|---|---|
DOMAIN_CATALOG | string | Catalog name. A null value if the provider does not support catalogs. |
DOMAIN_SCHEMA | string | Unqualified schema name. A null value if the provider does not support schemas. |
DOMAIN_NAME | string | View name. |
COLUMN_NAME | string | Column name. This column, together with the COLUMN_GUID and COLUMN_PROPID columns, forms the column ID. One or more of these columns will be a null value, depending on which elements of the DBID structure the provider uses. (DBID is a formal structure serialized into the COLUMN_NAME column of the COLUMN_DOMAIN_USAGE rowset.) |
Available since 1.1