Command

Topic Last Modified: 2006-06-11

The following table lists the OLE DB 2.5 interfaces implemented by the Exchange OLE DB Command COM class.

Interface	Supported
IAccessor	yes
IColumnsInfo	yes
ICommand	yes
ICommandProperties	yes
ICommandText	yes
IConvertType	yes
IColumnsRowset	no
ICommandPersist	no
ICommandPrepare	yes
ICommandWithParameters	no
ISupportErrorInfo	no

Structured Query Language (SQL) joins are not supported. All other SQL constructs are supported, for example, WHERE clause, relational operators, and projections.

Note

The CONTAINS clause in an ICommand::Execute method cannot have more than 1024 characters.