IBM Data and AI Ideas Portal for Customers


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Db2 for z/OS

Showing 979

Write Current Compression Dictionary to Log

Write compression dictionary to the Log upon its creation. This would enable true independence of data capture from actual table space availability and/or status. By implication, this might eliminate the need to write the old dictionary to the log...
19 days ago in Db2 for z/OS 0 Under review

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...
6 months ago in Db2 for z/OS 1 Not under consideration

Allow alter column to drop NOT NULL constraint

Currently the only way to remove the NOT NULL constraint from a column is to unload the table, drop-recreate table (or drop-add column) and reload table. Such a small change needs so much effort, and causes unnecessary outage and service disruptio...
8 months ago in Db2 for z/OS 1 Not under consideration

Indicate whether the fallback SPE for Db2 13 migration is installed

As a user planning to migrate to Db2 13 I already activated V12R1M510 on my Db2 12 subsystem. However, I also want to make sure that I have the fallback SPE PH37108 https://www.ibm.com/support/pages/apar/PH37108 installed. Could this information b...
over 2 years ago in Db2 for z/OS 5 Planned for future release

Db2 profiles - Enable monitoring and enforcement of AUTHIDs

Db2 v13 offers new feature of Db2 profiles to support monitoring and enforcement of TLS secure connections. Please add ability to do this at AUTHID level. Some apps and users have converted and we could put in a profile to ensure only secure conne...
about 1 year ago in Db2 for z/OS 0 Planned for future release

Availability of DROP SYSTEM PERIOD for System temporal tables.

When a table is defined as a system temporal and the changes need to be reverted for any specific reason - A drop of system period would be needed. This functionality is available in Db2 LUW. Without this, the table has to be dropped and recreated.
about 1 month ago in Db2 for z/OS 0 Under review

Remove the limit on the number of secondary IDs

The documentation states: If RACF is active and the “list of groups” option is active, the routine sets the list of Db2 secondary IDs to the list of group names to which the RACF user ID is connected. The maximum number of groups is 1012. Since RA...
about 1 month ago in Db2 for z/OS 0 Under review

Add global variable support for hopped stored procedures with LOB return parameter

Currently it is not possible to change the value of global variables when an external stored procedure is hopped (for instance called with 3-part-name) and returns LOB data. Please find additional information in the corresponding support case. Som...
23 days ago in Db2 for z/OS 0 Under review

Add LOB Support for db2 autonomous storedprocedures

Currently it is not possible to use lob attributes in autonomous procedures. To insert large data into db2 outside the "normal" transaction of work it would be usefull to have autonomous procedures which supports lob data
23 days ago in Db2 for z/OS 0 Under review

IRLM enhancement in case of global deadlock processing

We had a situation which was described in case TS015567644. The symptom was that IRLM could not fully process the complete deadlock stuff of all members of an 8-way DS system. Therefore we get DXR167E in some of the members. Additional workload wi...
7 months ago in Db2 for z/OS 0 Future consideration

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