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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.

Namespace:  System.Data.OleDb
Assembly:  System.Data (in System.Data.dll)

public static readonly Guid Column_Domain_Usage

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.)

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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