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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ADD A NEW IDEA

Db2 for z/OS

Showing 798

Db2 z/OS limitations with ALTER TABLESPACE MOVE TABLE

I love the upcoming FL508 and this new availability even though I have not used it. Looking deeper into the Knowledge Center there seems to be some limitations that I would like to see resolved. The two items are: a) Exist in the same data...
over 3 years ago in Db2 for z/OS 3 Not under consideration

Avoid Reorg Abends by improving estimation of average row length

Today, for estimating the average row length being passed to sort, REORG gets that from catalog statistics with either AVGROWLEN or COMPRESSRATIO. The reason RTS stats is not used, is because RTS only contains the compressed data size.
over 5 years ago in Db2 for z/OS 0 Not under consideration

I would like to force the use of the "DEFER" option on the creation of an index (using Zparm to make it optional).

We have DBAs that at times (accidently) run a "CREATE INDEX" and fail to include the "DEFER" option. This is rather easy to do because the reverse engineering tools fail to create syntax with the "DEFER" option. The creation of indexes can be very...
almost 6 years ago in Db2 for z/OS 0 Not under consideration

Rename column should be possible if View is on table

We encountered that Rename column is not possible if a View esists on the appropriate table. We would like to exploit this new function (Rename Column), but we have views, which does not allow that. We already have a similar requirement MR02141152...
over 12 years ago in Db2 for z/OS 1 Not under consideration

Command to display the DB2 early code

Customer wants to apply new early code with REFRESH DB2, EARLY by automation software. To be sure that they apply new code, they want to display the early code before the REFRESH DB2 command. Unfortunately this command is not yet implemented, and ...
over 12 years ago in Db2 for z/OS 1 Not under consideration

FL LEVEL support

In Db2 12 the Functional Level is currently *not* externalized in various places where it most definitely should be. Notably the PLAN_TABLE, IFCID 316 and IFCID 401. If you are attempting tuning you *must* know under which FL level the SQL in ques...
about 7 years ago in Db2 for z/OS 0 Not under consideration

Track SHRLEVEL info in Utilities history

In Db2 13 utility execution can be recorded in one or two utilities history tables. We are struggling to find all utility executions ran with SHRLEVEL NONE to tell the applications to change their parameters to avoid problems. It is very hard to f...
over 2 years ago in Db2 for z/OS 1 Not under consideration

Support more granular system parameter settings

Support the ability to set system parameters at the application level.For example, allow parameters to be specified based on specific:- plan- package (specify collection, package)- authid or role- client info properties DB2 should have the ability...
over 9 years ago in Db2 for z/OS 1 Not under consideration

One-Fecht Index Scan for SELECT min(), max()

At the moment only a single SELECT min(a) or a SELECT max(a) uses a suitable index I(a, ...). When selecting both, min() and max(), a tablespace scan is used to determine the minimum and maximum value. With large tables this behaviour is very expe...
7 months ago in Db2 for z/OS 1 Not under consideration

Db2 To Provide A Way To Override Certain Implicit Table Space Parameters Default Values

TSYS has QMF applications running in 6 UAT and Production Db2 environments. There are approximately 2,600+ client users running QMF queries and procs for their applications in those Db2 environments. Many of the users are creating temporary tables...
almost 6 years ago in Db2 for z/OS 0 Not under consideration

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