Db2 for z/OS

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Adding userid and timestamp info in Database exception table (DBET)

When an objects goes to a pending status or STOP status due to unplanned / unexpected activity, it is difficult to identify who /when the object went to that restrictive status.Already the DBET will be storing information when an object goes to ST...

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

15 VOTE

Full Column Match and I1 Access on SQL with Correlated Sub-Queries Containing Column Expressions and Supporting IoE

Some queries with column expressions - DATE(A1.EFCTV_TS) <= DATE('04/05/2020') for example, and an Index on Expression to support the expression are achieving I1 access while others are not. It appears this is because of how the query is curren...

over 4 years ago in Db2 for z/OS 2 Not under consideration

9 VOTE

Modify the DSNJU003 utility to allow it to define anything stored in the Db2 BSDS

When creating and new Db2 member, we must bring it all the way up before we can create the bufferpools, size them, and set the thresholds. We would like the ability to defined them prior to starting the Db2 member/subsystem. When creating an alias...

almost 3 years ago in Db2 for z/OS 1 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

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...

almost 5 years ago in Db2 for z/OS 0 Not under 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).

almost 10 years ago in Db2 for z/OS 2 Not under consideration

6 VOTE

DISPLAY TERMINATED DUE TO INSUFFICIENT MESSAGE SPACE

Applications moving to the cloud have significantly increased the number of locations accessing Db2. Current limits within the -DISPLAY LOCATION command prevents the command from displaying all possible locations. This idea is to remove this limit...

almost 2 years ago in Db2 for z/OS 0 Planned for future release

38 VOTE

RI support for tables with mixed encoding schemes

MR012908405 GGDB208012 GGDB207014

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

11 VOTE

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

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

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