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Preface

Appendix

YACC SQL Grammar Reference
Error Codes Reference
Release Notes
Product Support
Virtuoso System Tables
Database Migration Guides
Basic Syntax of Regular Expressions
Server & client versions compatibility

22.8. Server & client versions compatibility

The RPC protocol has changed between 2.7 and 3.0 versions. Thus, not all clients can connect to all servers. For best results, the version should be identical on both ends of ODBC and JDBC connections. However, the following table shows which combinations should generally be successful.

Driver/Server 4.0 3.5 3.2 3.1 3.0 2.7 2.5 2.1
4.0 Y Y Y Y Y N N N
3.5 Y Y Y Y Y N N N
3.2 Y Y Y Y Y N N N
3.1 Y Y Y Y Y N N N
3.0 Y Y Y Y Y N N N
2.7 N N N N N Y Y Y
2.5 N N N N N Y Y Y
2.1 N N N N N Y Y Y