UDB Workbench is a development environment for DB2 UDB databases. It includes many features, such as comparing and synchronizing database schemas, packaging schemas and content of DB2 UDB database. SQL editor in UDB Workbench supports syntax highlighting, code completion, SQL formatting, script execution, and query results support filtering, grouping, searching, and more.
This software is a shareware. You will be able to download and test UDB Workbench during a certain period of time, then, if it does what you need, you will have to acquire the full version from UDB Workbench publisher. The UDB Workbench 3.1.5 free trial version contains an installer and an uninstaller, and has a size of 1252 Kilobytes.
For additional information and support request, please contact directly UDB Workbench publisher.

UDB Workbench Screenshot