IBM Data and AI Ideas Portal for Customers


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Db2 for z/OS

Showing 33

Db2 native and RACF security consistency requirement

This is especially important for shops like ours where for years DB2 native security and migrate to RACF security to be complaint with security audit and policies, and also new mainframe applications standards. There is multiple areas where curren...
3 months ago in Db2 for z/OS 1 Under review

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...
about 2 months ago in Db2 for z/OS 0 Under review

Externalize DDF Alias level statistics into SMF

Currently we do have SMF data for DB2 system level distributed workload but do not have DDF Alias level statistics with in SMF, only available adhoc option is to issue DIS DDF <alias> DETAIL to look at DDF alias level active dbats and connec...
6 days ago in Db2 for z/OS 0 Under review

SQLJ Add support for use of Java Array in IN predicate

We would like to see support of Java type ARRAY for IN-LISTs. The use case would look like: SqljCtx sqljCtx = getSqljCtx(); Array fkpzOfflKtoIdsArray = sqljCtx.getConnection().createArrayOf("TIMESTAMP", fkpzOfflKtoIds); FremdkontoOfflineIterator i...
6 days ago in Db2 for z/OS 0 Under review

INTERPRET Function for Packed-decimal Data

We have some old tables with a CHAR column where we store a record formatted by a Cobol Program. It contains a mix of display data and packed-decimal data. To use that data we have to read it in a Cobol program and interpret it using a Cobol copyb...
7 days ago in Db2 for z/OS 0 Under review

RUNSTATS TABLESPACE INDEX (ALL) NPI NO

At the moment only a RUNSTATS TABLESPACE with INDEX (ALL) is possible. When using DSNACCOX suggestions for a RUNSTATS may be generated only for one or few partitions of a PBR-TS. I therefore suggest a additional parameter (e.g. NPI YES/NO) to cons...
8 days ago in Db2 for z/OS 0 Under review

Way to tell if a Db2 view is not being used any longer

We are looking for a solution to tell if a Db2 view is still used or not.A request came to our team to rename a column in several tables. One of the tables have multiple view on it, and one of the view includes the column to be renamed. We cannot ...
3 months ago in Db2 for z/OS 1 Under review

Allow reset of all High Water Mark Statistics values

Currently some statistics HWM values are not reset while Db2 is active - e.g. Q3STCTHW. Consequently a transient event can hide a long term situation. This idea would allow those statistics to be re-set to zero - allowing performance management to...
3 months ago in Db2 for z/OS 1 Under review

Enhanced Instrumentation for workfiles

A possibility through IFI and/or a new command -DIS WORKFILES to get an “asis” use list of all work pools (Sort , DGTT, Work etc.) This data is crucial for tuning the number, size and type of the work spaces that we all have. The output should be ...
6 months ago in Db2 for z/OS 0 Under review

Improvement of FlashCopy Load on a PBR

When loading with LOG NO a PBR at tablespace level, all partitions will be copied by FlashCopy and not only the ones that were updated. But when FLASHCOPY NO is specified, only the partitions that were update will get COPY PENDING flag. The FlashC...
3 months ago in Db2 for z/OS 3 Under review

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