zOs/TX/WK964

* rename column
*     trigger should be dropped before rename and recreated afterwards
*     view    should be dropped before rename and recreated afterwards
creDb trg 0
+ ok creDb DSN.TX.GENF(WK964t0) ::f
creDb trg 1
+ ok creDb DSN.TX.GENF(WK964t1) ::f
creDb src 2
+ ok creDb DSN.TX.GENF(WK964s2) ::f