Upgrading jConnect

If you are migrating from one version of jConnect to another, Table 1-4 shows which upgrade paths require you to change and recompile the source code.

**Table 1-4: Upgrade paths that require recompiling**
From jConnect version	To jConnect version
3.0	4.0	4.1	4.2	5.0	5.2	5.5	6.0	6.05
3.0	No changes required	No changes required	No changes required	Changes required *	Changes required *	Changes required *	Changes required *	Changes required *
4.0	N/A	No changes required	No changes required	Changes required *	Changes required *	Changes required *	Changes required *	Changes required *
4.1	N/A	N/A	No changes required	Changes required *	Changes required *	Changes required *	Changes required *	Changes required *
4.2	N/A	N/A	N/A	Changes required *	Changes required *	Changes required *	Changes required *	Changes required *
5.0	N/A	N/A	N/A	N/A	No changes required	No changes required	Changes required *	Changes required *
5.2	N/A	N/A	N/A	N/A	No changes required	No changes required	Changes required *	Changes required *
5.5	N/A	N/A	N/A	N/A	N/A	N/A	Changes required *	Changes required *
6.0	N/A	N/A	N/A	N/A	N/A	N/A	N/A	No changes required *

* See Chapter 6, “Migrating jConnect Applications,” in the jConnect for JDBC Programmer’s Reference for instructions.

Sybase strongly recommends that you use jConnect 6.05 for JDBC applications. This version provides the most features and supports the most Sybase database capabilities.