| title | description | author | ms.author | ms.date | ms.service | ms.subservice | ms.topic | helpviewer_keywords | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Add column to SQL Server table (Native Client OLE DB provider) |
Add column to SQL Server table (Native Client OLE DB provider) |
markingmyname |
maghan |
03/14/2017 |
sql |
native-client |
reference |
|
[!INCLUDESQL Server Azure SQL Database Synapse Analytics PDW]
The [!INCLUDEssNoVersion] Native Client OLE DB provider exposes the ITableDefinition::AddColumn function. This allows consumers to add a column to a [!INCLUDEssNoVersion] table.
When you add a column to a [!INCLUDEssNoVersion] table, the [!INCLUDEssNoVersion] Native Client OLE DB provider consumer is constrained as follows:
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If DBPROP_COL_AUTOINCREMENT is VARIANT_TRUE, DBPROP_COL_NULLABLE must be VARIANT_FALSE.
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If the column is defined by using the [!INCLUDEssNoVersion] timestamp data type, DBPROP_COL_NULLABLE must be VARIANT_FALSE.
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For any other column definition, DBPROP_COL_NULLABLE must be VARIANT_TRUE.
Consumers specify the table name as a Unicode character string in the pwszName member of the uName union in the pTableID parameter. The eKind member of pTableID must be DBKIND_NAME.
The new column name is specified as a Unicode character string in the pwszName member of the uName union in the dbcid member of the DBCOLUMNDESC parameter pColumnDesc. The eKind member must be DBKIND_NAME.