IBM Data and AI Ideas Portal for Customers


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Db2 for z/OS

Showing 15

DB2 / RACF - Option for Less informative RACF / logon messages

A recent Pen Test via DDF returned the normal responses - Invalid User, Invalid Password, User not authorised, etc. We are being asked if this can be replaced by a more generic message so as to not give any clues to a fraudulent logon attempt. Is ...
about 7 hours ago in Db2 for z/OS 0 Under review

Client Application Name (QMDAAPPL from IFCID 0003) used in column RLFEUAN from SYSIBM.DSNRLMTxx tables to governor distributed applications

We would like to use table SYSIBM.DSNRLMTxx (SYSIBM.DSNRLMT01) in order to avoid that certain applications, coming from distributed environment and reaching Db2 for z/OS through DDF, can execute SQL statements.We’d like to completely block these a...
5 days ago in Db2 for z/OS 0 Under review

Add REMARKS column to SYSIBM.SYSDATABASE and COMMENT support for database object

We would like to ask you, to add the REMARKS column in SYSIBM.SYSDATABASE and support for COMMENT statement for databases. There is no possibility currently to store some form of a description for databases in DB2 catalog. In big sites where thous...
about 2 months ago in Db2 for z/OS 0 Under review

RUNSTATS with exception consideration

All DB2 customers use RUNSTATS. The RUNSTATS results are used by the DB2 optimizer to determine optimal access plans. In 99.999 percent of all cases this is not a problem. However, there are some objects (tablespaces / indices) for which a RUNSTAT...
2 months ago in Db2 for z/OS 1 Under review

New Authorization for SELECT all tables (DataSelect)

We use the DataAccess Auth to let Select. Insert, Update & Delete on all tables.But we'll appreciate also a new Auth for letting only Select on all tables. That's why we thought about the name DataSelect.
6 months ago in Db2 for z/OS 1 Under review

Allow for "OPTIMIZE FOR n ROWS" to be added to DELETE, UPDATE Statements

OPTIMIZE FOR 1 ROW can be added to SELECT SQL. One reason may be to influence the optimizer to chose one index over another, or to not perform a SORT with List Prefetch Adding OPTIMIZE FOR 1 ROW to a DELETE statement results in an error: EXPLA...
3 months ago in Db2 for z/OS 0 Under review

Preventing manual Stop/Start of a workfile after space issue

We had a space allocation failure in DSNDB07. After the storage failure has been relieved one of our batch job was crashing with reason 00D70011 as the DSNDB07 extend was flagged by DB2 WACTPUNAV bit as not usable. We finally had to manually St...
7 months ago in Db2 for z/OS 2 Under review

Reorging a TS with NPSIs, SORT NPSI = AUTO, getting IGD17272I VOLUME SELECTION HAS FAILED FOR INSUFFICIENT SPACE FOR which resulted in DSNU3341I 171 01:39:59.85 DSNURPCT - CANNOT ALLOCATE SORT DATASETS WITHIN 255 LIMIT , REORG should change to SORTNPSI = NO to prevent abend

Reorg TS with NPSIs and SORTNPSI or zparm REORG_PART_SORT_NPSI = AUTO. Reorg decides to run with SORTNPSI YES which sorts all keys for NPSIs. Job is having issues getting DASD resulting in numerous:01.39.58 J0916868 IGD17272I VOLUME SELECTION H...
3 months ago in Db2 for z/OS 0 Under review

DB2 z/OS security; hide install SYSADM and SYSOPR from DSNZPARM; use RACF instead

In DB2 z/OS, no group and/or userids are more powerful than the Install SYSADM and to no small degree the Install SYSOPR.Yet, these userids and/or groups are easily found by anyone having access to a db2 subsystem and knowing the existance of DSNZ...
about 2 months ago in Db2 for z/OS 0 Under review

Generic Error Message for Failed Authenticaion

Hi, I would like to know if you could change the error message comes from DB2 for z/OS via IBM Client Driver when a wrong user name or password is given. In this current situation we get two types of error messages one states that USER DISABLED/RE...
2 months ago in Db2 for z/OS 0 Under review