Db2 for z/OS

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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: EXPLAIN A...

over 3 years ago in Db2 for z/OS 1 Not under consideration

15 VOTE

Dynamic Plan Stability - Option to restabilize an invalidated query missing

We've got several SQL queries stabilized with dynamic plan stability. Reason is to prevent them from getting a bad accesspath. After operations like "ALTER TABLE ... ROTATE PARTITION..." the query is flagged to valid N in SYSIBM.SYSDYNQRY. Than we...

over 4 years ago in Db2 for z/OS 0 Not under consideration

18 VOTE

DGTT - declare and use in one SQL statement (basically, this RFE is extension to syntax and functionality of DGTT)

Sometimes we use DGTT to hold complex result sets with many columns. We must DECLARE the DGTT first… and then second, INSERT into the DGTT The DECLARE requires us to think about each column name and type if we list them explicitly.OR. We can DECLA...

over 5 years ago in Db2 for z/OS 3 Not under consideration

6 VOTE

Record usage of application plan

In our production environment we have about 15000 application plans. Most of them are probably still used but a lot of them have not been used for several years. We want to get rid of the old ones not to have to rebind them at every new release of...

almost 2 years ago in Db2 for z/OS 0 Future consideration

31 VOTE

Break-In for Mass-delete

Enhance the break-in-process so that it also applies for mass deletes and that these deletes can break in into PWFI-transactions bound with RELEASE(DEALLOCATE).

over 9 years ago in Db2 for z/OS 2 Not under consideration

21 VOTE

ARCRETN separation for copy1 and 2

We control the archive log retention for our shop using the ARCRETN zparm which controls both logcopy1 and locopy2. We would like the ability to control these independently as we have application data requirements to retain data for longer periods...

over 6 years ago in Db2 for z/OS 1 Not under consideration

18 VOTE

Drop partition in UTS PBR RPN tablespaces

Dropping partitions in a tablespaces can only be done by dropping and re-creating the entire tablespace In earlier versions of DB2 for z/OS you could not add partition to an existing tablespace. Consequently we created about 60 tablespaces with 25...

over 5 years ago in Db2 for z/OS 2 Planned for future release

38 VOTE

RI support for tables with mixed encoding schemes

MR012908405 GGDB208012 GGDB207014

almost 12 years ago in Db2 for z/OS 1 Not under consideration

17 VOTE

Control of Locksize and Maxpartitions for implicitly defined tablespaces.

We must be able to control parameters like locksize and maxpartitions on implicitly defined tablespaces.In DB2 V12R1M504 multi table tablespaces are deprecated, so we need to use implicitly defined tablespaces for QMF useres. Today we use segmente...

over 5 years ago in Db2 for z/OS 2 Future consideration

17 VOTE

Add commit frequency to Modify Recovery utility

If there a numerous rows in SYSCOPY to be modified out the modify job holds locks on SYSCOPY for an extended period of time and can cause timeouts for other processes and utilities that are using SYSCOPY

over 5 years ago in Db2 for z/OS 1 Not under consideration

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