We are excited to announce the availability of the Beta for SQL Optimizer for DB2 Z/OS 5.0. SQL Optimizer for DB2 Z/OS 5.0 now provides the same SQL rewrite capability that has been available in the other platform versions of SQL Optimizer.
You can download the Beta here. Please post your feedback after you have a chance to use it and be sure to check in periodically as we will be posting new Beta builds periodically.