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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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Welcome to the IBM Ideas Portal (https://www.ibm.com/ideas) - Use this site to find out additional information and details about the IBM Ideas process and statuses.

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Db2 for z/OS

Showing 955 of 14574

QW148TTK unreliable when thread is in-doubt

IFCID 0148 Monitor Detail Record 2 field QW148TTK is incorrect when the thread being reported is in-doubt and as evidenced by cross-checking with DB2 -DISPLAY THREAD output. Requesting either a correct QW148TTK for in-doubt threads or a means to d...
over 6 years ago in Db2 for z/OS 1 Not under consideration

Revise DSNREXX to allocate specific DB2 load libaries

Allow DSNREXX to have an option that allows allocation of various DB2 load libraties from the init or add call
over 11 years ago in Db2 for z/OS 1 Not under consideration

Recover Statistics based on Statistic History Tables

In most cases an up-to-date RUNSTATS will result in better execution plans and SQL performance. But there are also cases, where new statistics result in worser execution plans and performance. For static SQL we have many possibilities to control t...
almost 5 years ago in Db2 for z/OS 0 Not under consideration

DB2 should produce more accurate filter factors (to better optimize queries)

Today, when I have a query with an equals predicate and also an "IN LIST" predicate and both apply to the same table and when I have correctly collected multi-column frequency distribution stats for the two columns involved with these two predicat...
over 6 years ago in Db2 for z/OS 0 Not under consideration

Temporal INSERT syntax for application period temporal tables

We are using application period temporal tables with success. Application period temporal tables and syntax makes it easy to distinguish between the data values and the time dimension of the data.When doing SELECT, UPDATE and DELETE there is a spe...
over 6 years ago in Db2 for z/OS 0 Not under consideration

Referential Integrity for Real-time Statistics Tables (RI for RTS)

OVERVIEW: The RTS tables do not have DB2-enforced RI. The DB2 component that handles the maintenance of this data can encounter certain failures that can result in obsolete/invalid/orphaned data in the table(s). By the way, this is more prevalent ...
over 3 years ago in Db2 for z/OS 1 Not under consideration

Provide table function that collects DSN1COMP data

For sake of brevity, I will confine this request to DB2 index compression analysis, but it also applies to tablespaces. When have more than 100,000 indexes in our various Production DB2 systems. We want to know which of these indexes are the most ...
about 10 years ago in Db2 for z/OS 2 Not under consideration

IBM Unload to support parallelism for LOB Tablespaces

We are trying to unload large LOB tablespaces in a performant manner. Please see PMR 76429 999 866 in relation to this. IBM Unload currently issues misleading messages saying parallelism will be invoked. However this is not the case and the utili...
about 5 years ago in Db2 for z/OS 1 Not under consideration

make SQL cost estimation more accurate

DB2 for z/OS provided cost estimation before execution for each SQL.We can use explain to check that. And DB2 governor (DB2 Resource Limit Facitliy) use the cost estimation for predictive governor. How ever the cpu cost estimation is not correct f...
almost 7 years ago in Db2 for z/OS 1 Not under consideration

refresh MQT with ur

Up to now a REFRESH MQT with the UR-Option is not possible.
about 10 years ago in Db2 for z/OS 1 Not under consideration