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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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We invite you to shape the future of IBM, including product roadmaps, by submitting ideas that matter to you the most. Here's how it works:


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Specific links you will want to bookmark for future use

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.

IBM Unified Ideas Portal (https://ideas.ibm.com) - Use this site to view all of your ideas, create new ideas for any IBM product, or search for ideas across all of IBM.

ideasibm@us.ibm.com - Use this email to suggest enhancements to the Ideas process or request help from IBM for submitting your Ideas.

IBM Employees should enter Ideas at https://ideas.ibm.com


ADD A NEW IDEA

Db2 for z/OS

Showing 986 of 15640

UNION should automatically be rewritten to "UNION ALL" when it is logically equivalent

In the following query, the developer coded "UNION". Because it is part of a "WHERE EXISTS" subselect, replacing the UNION with "UNION ALL" will perform much better and deliver the same results: SELECT * FROM PDBR111.VCLI095_SELECT V01WHERE V01.AR...
over 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...
over 7 years ago in Db2 for z/OS 1 Not under consideration

ALTER DEFINE NO - REORG to delete all dataset(s)

: I know that there is a change in place now with the newest version to delete unused datasets for a PBG tablespace with a REORG, I was wondering if there might be something in the future where we could ALTER a Tablespace/Index to DEFINE NO and th...
over 7 years ago in Db2 for z/OS 1 Not under consideration

Alter Index add column

When altering index adding columns ' the index status change to rebuild pendig ' need to put in in change pending and let appliction use this index until rebuild or reorg the index , and then rebind packeges
about 11 years ago in Db2 for z/OS 0 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...
over 5 years ago in Db2 for z/OS 0 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 utilit...
over 5 years ago in Db2 for z/OS 1 Not under consideration

Allow more options on -MODIFY TRACE command

We sometimes get clobbered with processes that generate lots of Db2 accounting records to the point where SMF is overwhelmed in collecting/offloading them. We are able to identify the offending authid with our online monitor, but until we can cont...
almost 2 years ago in Db2 for z/OS 1 Not under consideration

Secure DB2 Load privilege at table level

Currently the db2 load privilege is secured only at the database level. I'd like to be able to secure the load privilege at the table or tablespace level.
over 7 years ago in Db2 for z/OS 1 Not under consideration

Allow the alteration to another bufferpool (with the same page size) for a specific partition.

When deciding on which bufferpool to place a tablespace in, I have found that different partitions have different requirements. when the "hotspot" of a table (that would benefit by being in a larger bufferpool) is at the end, putting the last part...
almost 6 years ago in Db2 for z/OS 1 Not under consideration

Enhance Runstats when using profiles

RUNSTATS enhancement - an execution of RUNSTATS with REPORT YES would provide the actual and complete information in the PROFILE_TEXT column of the SYSIBM.SYSTABLES_PROFILES row for the table of interest without executing the stats. Also, when act...
almost 6 years ago in Db2 for z/OS 0 Not under consideration