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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 176

Maintain catalog column UNCOMPRESSED_DATASIZE

Today, the DB2 catalog column UNCOMPRESSED_DATASIZE is unmaintained. Having this column maintained gives the REORG utility the ability to calculate a more accurate average row length when decompressing the rows, especially in combination with VARC...
over 10 years ago in Db2 for z/OS 1 Delivered

new BLKSIZE parm for TEMPLATE utility

For the TEMPLATE utility, I would like the ability to specify BLKSIZE.
almost 11 years ago in Db2 for z/OS 1 Delivered

Profile Table usage request - DSN_PROFILE_ATTRIBUTES

I have created the system tables on which service the use of profiles in DB2. This is basically a service which can be started and stopped with DB2 commands, and can be configured to target threads which are generated by certain users, come from c...
over 7 years ago in Db2 for z/OS 1 Delivered

DB2 PROFILE Table - Remove Implicit Queueing

MONITOR THREADS using an EXCEPTION attributes have a built-in implicit queuing mechanism which we would like to get rid of. For example, an AUTHID MONITOR THREADS EXCEPTION profile with an ATTRIBUTE2 value of 10 will let 10 DBATs with the same AUT...
over 7 years ago in Db2 for z/OS 1 Delivered

DSNKDX02 redundant index

There are two indices on SYSPACKDEP: CREATE INDEX "SYSIBM".DSNKDX02 ON "SYSIBM".SYSPACKDEP (BQUALIFIER ASC, BNAME ASC, BTYPE ASC) NOT PADDED BUFFERPOOL BP0 CLOSE NO; CREATE INDEX "SYSIBM".DSNKDX03 ON "SYSIBM".SYSPACKDEP (BQUALIFIER ASC, BNAME ASC,...
over 11 years ago in Db2 for z/OS 1 Delivered

Choose statement concentration in JDBC on a per-statement level

Statement concentration is a good thing if you have software that is not well written and uses literals where it should use parameter markers. However, there are cases where using a literal helps the optimizer make a better decision. Statement con...
almost 4 years ago in Db2 for z/OS 2 Delivered

Reduce the number of reasons that require a DB2 member be bought down in order to update the bootstrap dataset using the DSNJ

Reduce the number of reasons that require a DB2 member be bought down in order to update the bootstrap dataset using the DSNJU003 utility.
almost 12 years ago in Db2 for z/OS 1 Delivered

Allow application to decide whether lock escalation should occur

Db2 for LUW has an instance-wide configuration parameter DB2_AVOID_LOCK_ESCALATION that controls whether lock escalations occur or applications receive an SQL error. It would be good to have a similar feature in Db2 for z/OS -- of course, not sub...
about 4 years ago in Db2 for z/OS 2 Delivered

Caching of plan authorization

When using Db2 external security using SAF (RACF), Db2 does not cache authorization information for plans. This is a different behaviour than for packages and routines, that have their authorization information cached. 
over 4 years ago in Db2 for z/OS 0 Delivered

REXX WLM SPAS ddname ZPMDFLTS should not point to sdsnsamp

REXX WLM SPAS has a ddname ZPMDFLTS that points directly atthe customized SDSNSAMP(DSNADMZW) member. This member may not exist if the clist is rerun and the sdsnsamp is reused. DSNADMZW should not be places in SDSNSAMP, and the ZPMDFLTS DD stateme...
about 9 years ago in Db2 for z/OS 1 Delivered