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Db2 for z/OS

Showing 956 of 14509

Repair Catalog of Indexspaces

After using DSN1COPY to copy table- and indexspaces from one subsystem to another it is possible to do a REPAIR CATALOG to update catalog informations about RBA format, Row format and versions. There is no possiblity to repair index RBA format. We...
almost 8 years ago in Db2 for z/OS 1 Not under consideration

Long SQL Statement

Currently limit to the length of an SQL is 2MB, we need longer for native SQL SPsSupporting details/Description The current limit to the length of an SQL statement, which for a stand-alone SQL statement is fine, but we are aggressively moving to ...
almost 12 years ago in Db2 for z/OS 1 Not under consideration

Make XML tablespaces more portable

Currently, there are 3 different internal structures that Db2 uses for the implicitly created table inside an XML tablespace: 3 columns, 5 columns with the START_TS/END_TS fields as BINARY(8), and 5 columns with the START_TS/END_TS fields as BINAR...
almost 6 years ago in Db2 for z/OS 1 Not under consideration

Cross-Invalidation due to pcloset/p-lock negotiation avoidance

Problem Statement / Pain points : Whenever there is no R/W activity and PCLOSET threshold is reached, pagesets SWITCH OUT of GBP dependency and the pages in our Bufferpools are cross-invalidated . Thereafter when R/W starts again, pagesets SWITCH ...
almost 2 years ago in Db2 for z/OS 0 Planned for future release

DB2 zOS LOAD SHRLEVEL CHANGE - provide # of rows processed

Enhancement request: When LOAD SHRLEVEL CHANGE utility abended, DB2 should provide the number of input records processed. Justification: If a LOAD SHRLEVEL CHANGE utility abended and then restarted successfully, the utility will skip the processed...
almost 10 years ago in Db2 for z/OS 1 Not under consideration

CATMAINT / ENFM REORG enhancement

CATMAINTs and ENFM REORGs causes major disruption if running alongside current workload. Continuous availabilty requirements means sign-off for planned DB2 outages (version upgrades or catalog reorgs) are very difficult to obtain/justify.
about 10 years ago in Db2 for z/OS 1 Not under consideration

Zero Downtime during Online CRM Application Migration

Problem Statement : Transaction 1 (T1) is intended to delete and subsequently insert few records to a table TB1. The business logic is like, this T1 should be open and not to commit as well until the end of delete followed by insert operation. ...
about 4 years ago in Db2 for z/OS 1 Not under consideration

Performant SQL Windowing functionality

We tried to use the syntax for windowing in SQL as an alternative to using subselects. Most other DBMSs perform a lot better with the windowing syntax, but we can only see less performance using it. The reason we want to use it is basically to get...
about 6 years ago in Db2 for z/OS 0 Not under consideration

A new command "REBIND QUERY" should be made available.

When packages become invalid due to maintenance activities, they may be rebound when needed. But, when a hint is established by running a "BIND QUERY" command, that bound query may become invalid by these same events. Restoration of that bound que...
about 4 years ago in Db2 for z/OS 1 Not under consideration

Add new parameter for REORG to designate different access behavior when REORG is in LOG/SWITCH phase

Let's say we have zparm IRLMRWT=15, and we have large tablespace REORG with SHRLEVEL(CHANGE) or (REFERENCE), the elapse time of LOG/SWITCH phase is greater than 15 seconds, this causes a lot of online workload timeout with -911. At that time the t...
about 4 years ago in Db2 for z/OS 1 Not under consideration

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