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IBM Data and AI Ideas Portal for Customers


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Db2 for z/OS

Showing 986 of 15639

Introduce or Change Reorg for managing commits when generating Identity column values during the Reorg

When an identity column is added to an already existing and populated table, the table is put into a Reorg Pending status and thus unavailable to the applications. When the Reorg is run to resolve the status it generates the identity column values...
5 months ago in Db2 for z/OS 3 Future consideration

Object should go into advisory reorg when PCTFREE, PCTFREE for update, FREEPAGE is altered instead of immediate alter to have the REORG pick it up and ensure it is done. Having it immediate is just a catalog update and it might be missed.

When Altering PCTFREE, PCTFREE for UPDATE or FREEPAGE, the DB2 catalog is updated and the DBA must ensure a reorg is run to materialize the change. A process that can be missed. I would like to see this as a pending change and have the reorg pick ...
about 4 years ago in Db2 for z/OS 1 Not under consideration

IFCID 366/376: include SQL text in the trace records

The analysis of IFCID 366/376 is done via SMF records. When these records are available (one day delay), it is nearly impossible to match the statement ID to a statement in dynamic statement cache, because the statement might be already discarded....
about 6 years ago in Db2 for z/OS 1 Not under consideration

REORG TABLESPACE REBALANCE option to leave some partitions empty

The current REORG TABLESPACE utility with REBALANCE option will distribute rows evenly accross partitions. Many of my tables have ascending keys, so after a REBALANCE of several partitions (example PART(10:16) ), most new rows will be inserted int...
over 5 years ago in Db2 for z/OS 0 Not under consideration

Lock escalation on HISTORY STATISTICS catalog tables for DROP statement

add the ability for lock escalation on the catalog tables which contains the HISTORICAL STATISTISCs data (SYSIBM.SYS...HIST)
over 12 years ago in Db2 for z/OS 1 Not under consideration

Changing partitioning key columns

Most of our tables that are created before DB2 V8 (and even some created later than that) uses the primary key as the partitioning key. The resulting partitioning key therefore consists of many columns, but the significant columns for partitioning...
over 12 years ago in Db2 for z/OS 1 Not under consideration

Enhancement ALTER of STOGROUP to be NO-DISRUPTIVE change.

As we all know to perform an ALTER DB.TS/IX USING STOGROUP XXXXX a STOP/ALTER/START process is required which is a DISRUPTIVE change. So, looking for an enhancement on that ALTER process maybe it could be "improved" by putting the involved Db2 obj...
about 1 year ago in Db2 for z/OS 1 Not under consideration

Enhancement to Display Utility Command - V12-CERT-2017

Would like the ability to further filter utilities by their status when using the display utility command.
almost 8 years ago in Db2 for z/OS 1 Not under consideration

Drop STP SQL with dependency of other STP SQL type NATIVE

We have a general purpose StoredProcedure (STPX1) that is called by other native StoredProcedures (STPA1, STPA2, STPA3, etc) that have CALL statements to STPX1, If I need DROP the STP STPX1 (for recreate later) I receive the error -478 for depende...
about 4 years ago in Db2 for z/OS 0 Not under consideration

Identify when all members of a Data Sharing Group are up and operational

After a crash or hard down, Db2 will perform its recovery processing including GRECP and LPL processing. There are external systems (e.g. CICS, MQ, etc.) that are dependent on all members in the data-sharing group to be fully up and operational an...
over 1 year ago in Db2 for z/OS 1 Not under consideration