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Db2 for z/OS

Showing 1043 of 17579

Change Load Backout YES delete log process

During execution of LOAD RESUME YES BACKOUT YES SHRLEVEL NONE LOG NO DISCARDS 1, if 1 duplicate row is funded, all rows loaded will be backed out, regardless if there was just 1 duplicate. DB2 call Data Manager back out all the other rows writing ...
26 days ago in Db2 for z/OS 0 Under review

Complete PROFILE support for SQL tuning ZPARMS

While modelling a production system it was noticed that the PROFILE support is not 100% up to date and compatible with the actual ZPARMs that the Db2 Optimizer uses. I opened a case TS019778440 and they said "Yes, it is missing, please open an AHA...
about 1 month ago in Db2 for z/OS 0 Under review

Add STMT_HASHID2 in IFCID 316

Can you add STMT_HASHID2 (referred in DSN_STATEMENT_CACHE_TABLE) field to the IFCID 316 record? It would be very handy in identifying normalized SQL statement text(s).
12 days ago in Db2 for z/OS 0 Under review

Reverse engineer ZPARM to ASM format like in DSNTIJUZ

Very often the source code of any given ZPARM for a Db2 for z/OS subsystem "disappears". Be it holiday, be it by accident, be it CANCEL after submit... Whatever the reason, the problem is the same: You have a running version of the ZPARM that does...
about 1 month ago in Db2 for z/OS 0 Under review

Add Column INVALIDTIME To SYSIBM.SYSPACKAGE

Add Column INVALIDTIME with datatype TIMESTAMP To SYSIBM.SYSPACKAGE. Will be popluated with the timestamp of when a package was set to invalid. Will be used while researching to help determine what event invalidated a package.
7 days ago in Db2 for z/OS 0 Submitted

ARCRETN - Managing by DFSMS - SMS Management Class

In a situation related to replication delay, it was necessary to keep the Db2 archive log longer than its current retention period. The subsystem parameter ARCRETN was set as 17 days as in Management Class. The planning was to alter the retention ...
3 months ago in Db2 for z/OS 0 Future consideration

DISPLAY BUFFERPOOL issues a message, TOTAL SYNC I/O DELAY FOR BP?? = ?????????? MILLISECONDS.

We are currently are running a bufferpool simulation in production. When I issue the command: -DISPLAY BUFFERPOOL(BP40) DETAIL(INTERVAL) The following message is issued: DSNB432I -DPP2 SIMULATED BUFFER POOL ACTIVITY - AVOIDABLE READ PAGE MISSES - ...
about 1 month ago in Db2 for z/OS 0 Under review

Generate recovery JCL for all tablespaces in a database

When you go to a tablespace in the db2 catalogue, you can use line commands U.V* to generate recovery JCL to recover the tablespace to a previous state. What if you want to recover the entire database to a previous state? It would be good if you c...
about 1 month ago in Db2 for z/OS 0 Under review

Generate Check Data job at database level

It is currently possible to generate a Check Data job at tablespace level in the db2 catalogue tool by going to the tablespace and using the U.KD line command on the tablespace. However, what if you want to perform a check data on all tablespaces ...
about 1 month ago in Db2 for z/OS 0 Under review

Db2 start command message output and return code

If a Db2 database is in RO mode at database level and you issue a -STA DB(DBName) SP(TSName) ACCESS(RW) command via batch, it outputs "DSNTDDIS 'START DATABASE' NORMAL COMPLETION" which is misleading because the table still cannot be loaded therea...
about 1 month ago in Db2 for z/OS 0 Under review