IBM Data and AI Ideas Portal for Customers


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Db2 for z/OS

Showing 986 of 15643

304 VLDB - Altering Indexes to Change PIECESIZE Not Online

Change the PIECESIZE of indexes puts the index in rebuild pending status. We need the ability to increase the PIECESIZE where index compression alone is not sufficient to scale an index.
over 10 years ago in Db2 for z/OS 1 Not under consideration

Provide Profile support for new KEY LABEL option

KEY LABEL will likely be implemented at the application area, which means that there could be hundreds/thousands of objects impacted. The current solution presented is: User objects - Set a key label using SQL interfaces (V12R1M502) • ALTER / CRE...
about 2 years ago in Db2 for z/OS 1 Not under consideration

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...
over 10 years ago in Db2 for z/OS 1 Not under consideration

Increase (over current limit of 10000) the value for Zparm MAXARCH

Is it possible to increase (over current limit of 10000) the value for Zparm MAXARCH (archive log volumes that are to be recorded in the BSDS). Our Production System sometimes cuts over 5,000 Archive Logs in the business' standard Image Copy reten...
over 4 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.
over 10 years ago in Db2 for z/OS 1 Not under consideration

A Sort-Merge Join should be considered when joining on a SUBSTR expression

When tuning the following query, I saw that changing the "INNER JOIN" to a "FULL JOIN" caused it to perform many times better (which changed the join from a NLJ to a SMJ): SELECT ARCHIVE_STRT.LOCAL_TS AS LOCAL_TS_STRT, TIMESTAMPDIFF(2, CAST(ARCHIV...
over 4 years ago in Db2 for z/OS 1 Not under consideration

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...
over 8 years ago in Db2 for z/OS 1 Not under consideration

Allow SYSTOOLS and SYSFUN schemas to be permitted separate from SYSCTRL

Currently, SYSCTRL is required for creation of procedures/functions with schemas SYSFUN or SYSTOOLS, i.e. when running DSNTIJRT. We would like schemas such as "SYSTOOLS" and "SYSFUN" to be able to be permitted/granted separately from SYSCTRL, as S...
over 6 years ago in Db2 for z/OS 3 Not under consideration

Multiple PROFILE tables like RLF

In the same datasharing group we have members with similar but not identical DDF workload. From an application server same AUTHID runs with 100 DBAT but in another member with 500 DBAT. If we had a chance to use multiple PROFILE tables as like RLF...
about 2 years ago in Db2 for z/OS 1 Functionality already exists

DSNTEP2 number of rows printed is incorrect

DSNTEP doesn't count correctly the number of rows printer after 999999 rowsIt should be extended to more digits
almost 9 years ago in Db2 for z/OS 1 Not under consideration

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