Using ODBCDirect and the Remote Data Object

ODBCDirect is a simplified interface to the RDO. Version 1.0 of the 32-bit (only) RDO was introduced with Visual Basic 4.0 and was included only in the Enterprise Edition. The objective of RDO was to provide a means of using ODBC to connect to client/server RDBMSs without incurring the overhead of the Jet database engine. RDO provides faster processing of SQL pass-through queries, especially for INSERT and UPDATE operations that involve many records.

In addition, the RDO provides flexible handling of cursors in RDBMSs that implement cursors in their ODBC driver. A cursor is a pointer to a row in a query result set, similar to Jet's record pointer. If the RDBMS supports server-side cursors, RDO lets ...

Get Special Edition Using Access 97, Second Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.