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Today there is some limitations on tables with XML column. For example, we can't alter the table with ALTER PARTITION partotion-clause for LIMITKEYS. This limit cause us to drop and recreate the table with a lot of data(xml) and for downtime. We a...
The new Db2 v12 feature Fast Index Traversal advice at MSTR every 2 minutes about Memory used and indexes applied. This is quite uncomfortable when studing or trying to find something inside MSTR. Example: during 23 days, one Member of a Db2-Produ...
about 2 years ago
in Db2 for z/OS
Planned for future release
Add SCOPE(GROUP) to the Start/Stop Profile command
In our shop we have many Db2 data sharing members. If we need to stop and then start our profile tables we need to do so in many places. Adding the SCOPE(GROUP) to the both the start and the stop command would reduce the number of places and comma...
Removal of an unnecesary system crash due to must-complete or latch holding agent - RC 00F3040A
Today, there is an intentional system crash designed and exploited with an abend code 00F3040A when an agent abending in system is in so called must-complete state or is holding a latch. We have been running a case TS006198341 where our system cra...
Hello Db2 for Z/OS Development. Apar PM89016 was created several years ago to implement the lock avoidance for singleton SELECTs with ISO(CS) and CD(YES) when R-scan is used, or the index that is chosen has matching predicates on all columns of th...
Standardize and allow LISTDEF PARTEVEL syntax for MODIFY STATISTICS utility
Currently MODIFY STATISTICS utility does not support LISTDEF with PARTLEVEL and throws an error like in example: LISTDEF DB2RK INCLUDE TABLESPACE DS0HUZX.S0HU37P PARTLEVEL(20) TEMPLATE COPYIC DSN(&SS..ICR.&DB..&TS..P&PA..&UQ.) ...
DSN1COPY does not currently supports XML table restore on another DB2 subsystem or in the case of a dropped XML tablespace.
This lack can be easily bypassed by an UNLOAD / RELOAD in the case of a copy to another DB2 subsystem. But in the event of ...
As mentioned in Case TS004024647 there are some situations where inserts in lob structures do not provide the expected performance. Instead they cause massive CPU consumption in the Coupling Facility for the spacemap search. The problem is excessi...
New Authorization for SELECT all tables (DataSelect)
We use the DataAccess Auth to let Select. Insert, Update & Delete on all tables. But we'll appreciate also a new Auth for letting only Select on all tables. That's why we thought about the name DataSelect.
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