IBM Data and AI Ideas Portal for Customers


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Db2 for z/OS

Showing 977 of 15386

Add an option to run a failed query again

After running a set of SQL statements in one single go, the SQL Results view shows a twistie with the success or failure status of each individual statement, and of the statement group as a whole. Quite often -- especially when running DDL -- I ha...
almost 5 years ago in Db2 for z/OS 0 Not under consideration

TIMESTAMP (6) WITHOUT TIME ZONE NOT NULL GENERATED ALWAYS FOR EACH ROW ON UPDATE AS ROW CHANGE TIMESTAMP - allow ALTER to be able to change GENERATE ALWAY/DEFAULT

TIMESTAMP (6) WITHOUT TIME ZONE NOT NULL GENERATED ALWAYS FOR EACH ROW ON UPDATE AS ROW CHANGE TIMESTAMP - allow ALTER to be able to change GENERATE ALWAY/DEFAULT
over 3 years ago in Db2 for z/OS 1 Not under consideration

Provide performance enhancements to address the sort (for uniqueness required) in "distinct" or "union".

When sorting is used to eliminate duplicate entries to satisfy the "DISTINCT" or "UNION" construct, provide the capability for in-stream sort for this uniqueness so the entire result set does not need to be acquired and then sorted. I have seen a ...
about 6 years ago in Db2 for z/OS 1 Not under consideration

Reduce latch content when we use nested SPs/UDFs

We faced a big problem with latch contention in our environment due to nested SPs and UDF in 3 levels, so it did not make sense for us, because of that we opened the IBM case to treat this issue.
over 2 years ago in Db2 for z/OS 0 Future consideration

Remove MEMBER keyword from BIND PLAN command

It is to prevent creation of such obsolete plans - they immediately get rebound generating default collections so why allowing it in the first place? In some environments implementing strict security is not possible so preventing some actions may...
about 5 years ago in Db2 for z/OS 0 Not under consideration

Allow DSMAX to be set by Db2 command

Our installation has repeatedly had trouble with Db2 shutting down in a timely fashion for IPLs. We have taken dumps and sent them to IBM and IBM has stated repeatedly that the delay in shutdown involves dataset close. We set DSMAX very high and h...
over 2 years ago in Db2 for z/OS 1 Future consideration

Adding new values to CHECK Constraints should not put Table in CHECK PENDING

There are many instances today when existing CHECK Constraints have to be modified to add additional values. Currently, making any modifications to CHECK Constraints to add or remove values requires that the Constraint be dropped and re-created. T...
over 1 year ago in Db2 for z/OS 1 Not under consideration

Allow customers to specify a name for SYSINSTL ID instead of forcing "SYSINSTL"

Currently, IBM allows customers to install Db2 for z/OS under Install SYSOPR authority. This requires that the customer specify "SYSINSTL" as the installer ID in several key steps of the DB2 Install CLIST. "SYSINSTL" is then used for definition of...
over 1 year ago in Db2 for z/OS 1 Not under consideration

Instrument workfile high-watermarks in ACCTG

Instrument IFCID 0003 and IFCID 0148 counter(s) to show the maximum amount of Workfile used by a thread (4K blocks total, or separate by tables/indexes, or separate by 4K/32K Workfiles -- implementation choice.) It is difficult to manage Workfile ...
over 12 years ago in Db2 for z/OS 1 Not under consideration

Zparm to specify maximum amount of bufferpool storage

Please provide a Zparm to specify the maximum amount of bufferpool storage DB2 may aquire for all of the bufferpools.
over 6 years ago in Db2 for z/OS 3 Not under consideration

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