DBPROP_SUBQUERIES

OLE DB Programmer's Reference

Property group: Data Source Information

Property set: DBPROPSET_DATASOURCEINFO

Type: VT_I4

Typical R/W: R

Description: Subquery Support

A bitmask specifying the predicates in text commands that support subqueries. A combination of zero or more of the following:

  • DBPROPVAL_SQ_CORRELATEDSUBQUERIES
  • DBPROPVAL_SQ_COMPARISON
  • DBPROPVAL_SQ_EXISTS
  • DBPROPVAL_SQ_IN
  • DBPROPVAL_SQ_QUANTIFIED
  • DBPROPVAL_SQ_TABLE

The DBPROPVAL_SQ_CORRELATEDSUBQUERIES bit indicates that all predicates that support subqueries support correlated subqueries.

The DBPROPVAL_SQ_TABLE bit indicates that subqueries are supported in place of tables (for example, in the FROM clause of an SQL statement).

1998-2001 Microsoft Corporation. All rights reserved.



Microsoft Ole Db 2.0 Programmer's Reference and Data Access SDK
Microsoft OLE DB 2.0 Programmers Reference and Data Access SDK (Microsoft Professional Editions)
ISBN: 0735605904
EAN: 2147483647
Year: 1998
Pages: 1083

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