SchemaTableOptionalColumn Class
.NET Framework 4.5
Describes optional column metadata of the schema for a database table.
Namespace:
System.Data.Common
Assembly: System.Data (in System.Data.dll)
The SchemaTableOptionalColumn type exposes the following members.
| Name | Description | |
|---|---|---|
 | AutoIncrementSeed | Specifies the value at which the series for new identity columns is assigned. |
| AutoIncrementStep | Specifies the increment between values in the identity column. |
| BaseCatalogName | The name of the catalog associated with the results of the latest query. |
| BaseColumnNamespace | The namespace of the column. |
| BaseServerName | The server name of the column. |
| BaseTableNamespace | The namespace for the table that contains the column. |
| ColumnMapping | Specifies the mapping for the column. |
| DefaultValue | The default value for the column. |
| Expression | The expression used to compute the column. |
| IsAutoIncrement | Specifies whether the column values in the column are automatically incremented. |
| IsHidden | Specifies whether this column is hidden. |
| IsReadOnly | Specifies whether this column is read-only. |
| IsRowVersion | Specifies whether this column contains row version information. |
| ProviderSpecificDataType | Specifies the provider-specific data type of the column. |
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
