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Db2 for z/OS

Showing 954

Lock escalation on HISTORY STATISTICS catalog tables for DROP statement

add the ability for lock escalation on the catalog tables which contains the HISTORICAL STATISTISCs data (SYSIBM.SYS...HIST)
about 12 years ago in Db2 for z/OS 1 Not under consideration

Changing partitioning key columns

Most of our tables that are created before DB2 V8 (and even some created later than that) uses the primary key as the partitioning key. The resulting partitioning key therefore consists of many columns, but the significant columns for partitioning...
over 11 years ago in Db2 for z/OS 1 Not under consideration

Limit access to stop audit traces

We suggest that audit traces including class 11 can only be stopped be authids authorized to access the Db2 audit policy profile by a z/OS® security product. For compliance reasons (e.g. PCI DSS), we need to be able to document activities perf...
about 1 year ago in Db2 for z/OS 0 Future consideration

Simplify Alter

In Db2 z/OS version 10 Pending Alters/Deferred Alters were introduced. Deferred Alters are not compatible with most Immediate Alters. Deferred Alters need materializing REORG before immediate Alter, or the Immediate Alter has to be run before...
over 4 years ago in Db2 for z/OS 0 Not under consideration

More options for PROFILE tables for canceling long runing threads

There isn't any way by db2 to Automatically cancel thread that runing more than x seconds or used more than x cpu. Please add these option and other cancel options to MONITOR THREADS. It is similar to DB24ZOS-I-635 There are many options that toda...
almost 2 years ago in Db2 for z/OS 1 Not under consideration

Modify redirected recovery to recover FROM tablespace where you can SELECT/UNLOAD and not require RECOVERAUTH.

The relatively new Db2 utility enhancement of redirected recovery is very useful When recovering a target tablespace from another tablespace one must essentially have database RECOVERAUTH on the source tablespace and the target tablespace. (please...
about 1 year ago in Db2 for z/OS 3 Functionality already exists

improve documentation about CONDBAT (& MDBAT) and how to watch the limit being approached

The IBM provided documentation for important ZPARM of CONDBAT and MDBAT is a bit vague on exactly what to watch for these important limits. The documentation could be improved. I reviewed the documentation for DISPLAY DDF command https://www.ibm.c...
about 3 years ago in Db2 for z/OS 0 Planned for future release

Enable create index during prime time

We are running 24/7 banking applications and are unable to create an index during peak times. One reason for this behaviour might be APAR PK74729 resulting in a timeout for the create index command when packages are active. But we also get conflic...
over 6 years ago in Db2 for z/OS 1 Not under consideration

Improving latch contention in Db2 z/OS

DB2 workloads run at a priority that is related to their origin (may it be batch, IMS, DDF, …) and according to WLM service class definitions. In high system utilization scenarios, or due to workloads running in a WLM service class with a resource...
about 3 years ago in Db2 for z/OS 1 Not under consideration

Track Date last used/accessed for TABLE objects

As more people use EXPLAIN PLAN and BIND_EXPLAIN(ONLY), and EXPLAIN PACKAGE to collect explain data for managing rebinds and package changes, PLAN Tables proliferate. Some customers find the proliferation of explain tables to be problematic. We ne...
over 8 years ago in Db2 for z/OS 2 Not under consideration

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