IBM Data Server Driver for JDBC and SQLJ enhancements

The IBM Data Server Driver for JDBC and SQLJ contains a number of major enhancements for the Db2 11.5 base product, its mod packs, and its fix packs. Each fix pack for a release is cumulative; that is, a particular fix pack contains the enhancements and new features that were included in previous fix packs.

11.5 enhancements

Version 4.26 contains functions from Version 4.0 or later. The db2jcc.jar (JCC 3 driver based on JDBC 3 specification) is not shipped. The last version shipped is 3.72.54 which is delivered with Db2 11.1 Mod Pack 4 and Fix Pack 5.

Table 1. IBM Data Server Driver for JDBC and SQLJ enhancements and new capabilities in 11.5
Enhancement	Description
Server side enablement of WLB/ACR for Db2 pureScale server	WLB/ACR can be triggered by setting the Member subset attribute in the server.
clientApplcompat enhancements	Various enhancements are added to the driver to simplify the usage of clientApplcompat: Command line input option in db2connectactivate tool for clientApplcompat Read clientApplcompat and currentPackageSet value through db2dsdriver.cfg file in CLPPlus Support clientApplcompat and currentPackageSet value through the db2dsdriver.cfg file
Change to the default behavior of the timerLevelForQueryTimeOut property	The default behavior of the timeLevelForQueryTimeOut property is changed to QUERYTIMEOUT_CONNECTION_LEVEL(2). This change of the default timer level for query timeout from `Statement` to `Connection` improves performance.
Support for named parameter markers with (var1=>?,var2=>?,...) syntax added in java.sql.CallableStatement for Db2 for z/OS	java.sql.CallableStatement supports (var1=>?,var2=>?,...) syntax for Db2 for z/OS. It is already supported for Db2 LUW.