IBM Data and AI Ideas Portal for Customers


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Db2 for z/OS

Showing 997 of 15909

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

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...
almost 7 years ago in Db2 for z/OS 1 Not under consideration

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

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

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

IFCID amendment to include SQL Text

Currently the ifcid 366 and 376 do not always supply the SQL text, but rely on the explain statement cache to supply it. This means SMF extracts rarely supply the SQL text required for these records.
over 6 years ago in Db2 for z/OS 1 Not under consideration

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

Allow the ability to set the management, storage, and data classes the SPUFI panels.

We have a security policy requiring us to encrypt all possible 'Data at Rest'. We use the IBM solution called Pervasive Encryption (PE). Our storage team has defined SMS Data Classes that can be used to allocate encrypted datasets. In order ...
4 months ago in Db2 for z/OS 1 Not under consideration

Allow REPLACE external SQL SP with Native

Currently, CREATE OR REPLACE PROCEDURE in DB2 13 has a limitation that " If a procedure exists with the specified name, the existing procedure must be a native SQL procedure". Migration from external SQL stored procedures to Native SQL stored proc...
4 months ago in Db2 for z/OS 2 Under review

Pseudo IFCID 316

When using REOPT(ALWAYS) on a batch package to deliberately avoid filling the Dynamic Statement Cache (DSC) the SQL is, correctly, not inserted into the DSC and is not exrternalized by an IFCID 316. However this then "hides" the workload from moni...
about 9 years ago in Db2 for z/OS 1 Not under consideration

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