IBM Data Platform Ideas Portal for Customers


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Search results: Db2 for z/OS

Showing 30 of 314

When DSNL077I tells us IN-USE DBAT is exceeding 85% of MAXDBAT then ALSO issue DISPLAY THREAD

DB2 has recently introduced message DSNL077I which tells us when IN-USE DBATS begin to exceed 85% of system parameter MAXDBAT. And the corresponding message of DSNL078I tells us when IN-USE DBATS falls below 75% of MAXDBAT https://www.ibm.com/docs...
over 1 year ago in Db2 for z/OS 1 Not under consideration

Have Db2 for z/OS issue a message at Db2 subsystem restart if a DSNZPARM or DSNHDECP member has been changed.

Configuration management is a major focus of our auditors and compliance officers. We have to be able to show that we have a standard build and that any changes from the standard configuration would be closely governed via change control. The focu...
5 months ago in Db2 for z/OS 1 Not under consideration

ALTER TABLE DROP multiple COLUMNs

If you want do delete multiple columns of a table using "ALTER TABLE tbname DROP COLUMN colname", you currently have to execute many ALTER TABLE statements. The execution time increases exponentially with the number of columns to be deleted. If th...
over 1 year ago in Db2 for z/OS 1 Not under consideration

Reduce shutdown time - allow for reduction of Db2 footprint before STOP DB2

As the Db2 footprint on our mainframe systems has increased (larger bufferpools, larger GBPs, more open datasets), one of the challenges we have faced is that Db2 takes longer to shut down. Our shop has recently focused on reducing down-time and i...
12 months ago in Db2 for z/OS 1 Not under consideration

Migration of multi-table tablespaces to UTS PBG

Difficulties to migrate from old tablespace types to UTS.DB2 V10 gives us the opportunity to use the ALTER-syntax to change tablespace type from SIMPLE or SEGMENTED to UTS PBG without (almost) any outage. Unfortunately there is a limitation which ...
over 13 years ago in Db2 for z/OS 0 Delivered

IBM Enterprise COBOL / Db2 coprocessor - Validate Db2 cursor names at compile time

Hi, The IBM Enterprise COBOL compiler supports the translation of Db2 statements (delegating them to the compiler's integrated coprocessor).These Db2 statements can reference read cursors, and cursors have an identifier. We noted that only the EXE...
3 months ago in Db2 for z/OS 1 Under review

Terminate RRSAF connections on native context when a task's TCB is detached.

When a TCB terminates while its native context has a connection to a DB2 subsystem via RRSAF, the native context for that task remains in a connected state without any means of terminating that connection except to cancel the entire address space ...
3 months ago in Db2 for z/OS 1 Under review

Begin / End COMMIT instrumentation for DRDA, CICS/IMS

Complex CICS/IMS or DRDA transactions (involving multiple programs with an implicit Commit at the end) are incorrectly presented on the Omegamon Accounting Report/Trace. By design the costs of the tough SYNC (COMMIT) operation are added to the las...
over 5 years ago in Db2 for z/OS 2 Future consideration

SQLCODE -20528 SQLCODE20528N

CCB occasionally received SQLCODE -20528. As stated in DB2 CODES manual, this can occur while two transactions trying to update a row in system-period temporal table closely. A row being moved to history table can have sys_start higher than sys_en...
about 7 years ago in Db2 for z/OS 6 Planned for future release

improve documentation about CONDBAT (& MDBAT) and how to watch the limit being approached

The IBM provided documentation for important ZPARM of CONDBAT and MDBAT is a bit vague on exactly what to watch for these important limits. The documentation could be improved. I reviewed the documentation for DISPLAY DDF command https://www.ibm.c...
over 4 years ago in Db2 for z/OS 0 Planned for future release

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