Property group: Data Source Information
Property set: DBPROPSET_DATASOURCEINFO
Typical R/W: R
Description: Alter Column Support
Comprises a bitmask describing which portions of the DBCOLUMNDESC structure can be used in a call to IAlterTable::AlterColumn.
Value is a combination of one or more of the following:
For more information about the mapping of these values to fields in the DBCOLUMNDESC structure, see the description of the dwColumnDescFlags parameter in the reference entry for IAlterTable::AlterColumn.