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IBM Data and AI Ideas Portal for Customers


This portal is to open public enhancement requests against products and services offered by the IBM Data & AI organization. To view all of your ideas submitted to IBM, create and manage groups of Ideas, or create an idea explicitly set to be either visible by all (public) or visible only to you and IBM (private), use the IBM Unified Ideas Portal (https://ideas.ibm.com).


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Db2 for z/OS

Showing 979 of 15451

Reduce locking on XML-auxiliary tables

Locking on XML auxiliary tables can be very CPU cost intensive and can lead to problems with the threshold LOCKS PER USER.Tune DB2s locking algorithms so that locking on XML-auxiliary tableswill be reduced.
over 10 years ago in Db2 for z/OS 2 Not under consideration

externalize stop command failure

objects remain in STOPP when stop fails with no indication that it failed. a manual start followed by a manual stop is required to cause the object to proceed to a stop state. it's unfortunate, that issuing a start is required since that will allo...
over 2 years ago in Db2 for z/OS 3 Not under consideration

I would like to force the use of the "DEFER" option on the creation of an index (using Zparm to make it optional).

We have DBAs that at times (accidently) run a "CREATE INDEX" and fail to include the "DEFER" option. This is rather easy to do because the reverse engineering tools fail to create syntax with the "DEFER" option. The creation of indexes can be very...
over 5 years ago in Db2 for z/OS 3 Not under consideration

Externalize high water marker for EDM pool in Db2 trace on Db2 V12

This stat is useful and required to tune EDM pool appropriately. This would be useful for DB2 systems programmer and DB2 Performance Teams. We had a case opened and the decision is to externalize this feature only with v13. It would be great to ha...
over 1 year ago in Db2 for z/OS 0 Future consideration

Materialized Query tables in DB2 z/OS with refresh immediate option

MQT's - Materialized Query tables - are a well known feature in all advanced relational database systems. The DB2 family has this feature since more than 10 years. If you look at this functionality in DB2 LUW and DB2 z/OS the MQT functionality loo...
about 8 years ago in Db2 for z/OS 7 Not under consideration

Allow RESUME NO with LOAD SHRLEVEL CHANGE

Allow RESUME NO with LOAD SHRLEVEL CHANGE to be sure that the table is really empty.
over 6 years ago in Db2 for z/OS 1 Not under consideration

Specia Register to change INVALIDATECACHE default in Db2v12

We have PeopleSoft Payroll application running on Db2 v12 z/OS. We noticed that the default value of INVALIDATECACHE in RUNSTATS has been changed from YES to NO in v12. This change has huge impact on the performance because RUNSTATS for temporary ...
about 4 years ago in Db2 for z/OS 1 Not under consideration

Db2 V12 Change MODIFY RECOVERY To Delete Non Expired Data Sets

In Db2 V12 MODIFY RECOVERY with DELETEDS, DELETEDS specifies that cataloged image copy data sets are to be deleted when the corresponding SYSCOPY records are deleted. When we run MODIFY RECOVERY with DELETEDS, non-expired disk data sets are ...
about 4 years ago in Db2 for z/OS 1 Is a defect

Enhance system profile table usage by allowing combination of filtering categories

Using system profile tables to control remote connections/threads is a very useful feature and hence it is more and more used.During our tests, we found out that we have the need to combine DSN_PROFILE_TABLE filtering categories. Currently, for ex...
over 1 year ago in Db2 for z/OS 1 Not under consideration

Apply security restriction in Db2 table only via database connector tools (but not from database objects)

There are few use cases where Db2 table access must be restricted only from DB connector tools(eg; SPUFI, QMF or DSE in IDz or any other DB visualizer) but not from the database object itself. To explain further, we do have home grown tools(x1) us...
over 1 year ago in Db2 for z/OS 1 Functionality already exists