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CKeyColumns, CKeyColumnInfo 

Call the typedef class CKeyColumns to implement its parameter class CKeyColumnInfo.

See Schema Rowset Classes and Typedef Classes for more information on using typedef classes.

This class identifies the columns, defined in the catalog, that are constrained as keys by a given user.

The following table lists the class data members and their corresponding OLE DB Columns. See KEY_COLUMN_USAGE Rowset in the OLE DB Programmer's Reference for more information about the schema and columns.

Data members OLE DB columns

m_szConstraintCatalog

CONSTRAINT_CATALOG

m_szConstraintSchema

CONSTRAINT_SCHEMA

m_szConstraintName

CONSTRAINT_NAME

m_szTableCatalog

TABLE_CATALOG

m_szTableSchema

TABLE_SCHEMA

m_szTableName

TABLE_NAME

m_szColumnName

COLUMN_NAME

m_guidColumn

COLUMN_GUID

m_nColumnPropID

COLUMN_PROPID

m_nOrdinalPosition

ORDINAL_POSITION

Header: atldbsch.h

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