Specifies whether all string columns are described as SQL_WVARCHAR. This connection option affects SQL_Columns, SQLDescribeCol, SQLColAttributes, etc. It does not affect SQLGetTypeInfo.
Valid Values
-10 | -9
Behavior
If set to -10 (SQL_WLONGVARCHAR), all strings are described as SQL_WLONGVARCHAR.
If set to -9 (SQL_WVARCHAR), all string columns are described as SQL_WVARCHAR.
