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control size of UOW after an alter to rotate partition
requesting that DB2 generate reasonably sized URs when performing a mass delete action against a table with DATA CAPTURE set to CHANGES. in a specific case, we were rotating partitions on a base source table which was being replicated with data ca...
Provide Db2 utility messages regarding the usage (or not) of the Large Block Interface
The Large Block Interface (LBI) provided by z/OS can be used by Db2 utilities (such as COPY) to greatly reduce the utility runtime of when creating data sets on tape devices. The LBI must first be enabled through the DEVSUPxx member of SYS1.PARM...
With the increasing adoption of Db2 REST, the use of JSON2BSON UDF also increased. The problem with this UDF is that frequent repetitive calls of this UDF will result in -904 "ROUTINE PARAMETER STORAGE" error. We have gone thru recommendations in ...
Some ddl Changes are in table SYSPENDINGDDLSome ddl Changes are not there: for example alter table add column can only be see via -dis db() sp() advIt would be better to have the same bahavior for all ddl changes with AREO* Status.Maybe it could b...
RLF DSNRLMTxx table field RLFIP allow subnet wildcard
we have a need to restrict threads with RLF by specifying userid and source IP with a subnet wild card. the source ips change with each "logon". In order to restrict all possible ips under a given subnet, we would need to enter 255 X 255 ips. allo...
More granular enforcement SSL encryption for DRDA and Native Db2 z/OS REST applications.
In a recent VA scan of one of our systems one of our DB2 subsystems were flagged due to basic authentication being made available for HTTP traffic. In looking into this we found that if you point a browser at a DB2 subsystems non-encrypted DRDA po...
DB2 / RACF - Option for Less informative RACF / logon messages
A recent Pen Test via DDF returned the normal responses - Invalid User, Invalid Password, User not authorised, etc.
We are being asked if this can be replaced by a more generic message so as to not give any clues to a fraudulent logon attempt.
Client Application Name (QMDAAPPL from IFCID 0003) used in column RLFEUAN from SYSIBM.DSNRLMTxx tables to governor distributed applications
We would like to use table SYSIBM.DSNRLMTxx (SYSIBM.DSNRLMT01) in order to avoid that certain applications, coming from distributed environment and reaching Db2 for z/OS through DDF, can execute SQL statements.We’d like to completely block these a...
this is related to cases TS005562456 and TS005376027we are able to issue the following IPCS command online:ipcs verbx dsn1prnt 'page(1515E9B4000,E3),format'but it fails with IPCS batchipcs verbx dsn1prnt commands like this should also work with IP...
LOAD utility by pass checking pending status for empty tables
When LOAD utility is run on a referentially integrated table (child table) while both parent and child tables are empty (no rows) let DB2 refer to RTS data and decide NOT to put the table in CHECK PENDING status.
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