Could I do a transport change request from DEV to PRD during the test stage even though the database version of both environments are different? While the change is taking place, I'm also investigating to see if our SAP R/3 4.7 is compatible with DB2 Fix Pack 16.
As such, upgrading DB2 on the development and quality assurance system, while leaving DB2 on the production system in the old version, should be no problem.
One exception: You should be careful if you use EXEC SQL in your own ABAP code. EXEC SQL can be used to call SQL code directly. SQL code is always database-dependent, although, different database versions might respond slightly differently.
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