IBM Data and AI Ideas Portal for Customers


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Db2 for z/OS

Showing 978 of 15426

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

With RACF-exit, support auth cache refresh for RACF profiles with RACFVARS

Currently RACF ENF signals for the DB2 auth cache refresh are ignored if the profile contains a &RACFVAR class variable. This blocks the practical use of these profiles. In our case we have on one sysplex two different sets of DB2 subsystems(o...
over 4 years ago in Db2 for z/OS 1 Not under consideration

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
over 8 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...
over 6 years ago in Db2 for z/OS 1 Not under consideration

Optimization access paths currently used for SELECTs should also apply to UPDATEs (and DELETEs)

Currently, as I write a SELECT query with a correlated Sub-select (and no other predicates), I see that the optimization for that query uses a non-correlated sub-select and the query runs very fast. But, if I use exactly the same predicate, but wr...
over 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...
over 6 years ago in Db2 for z/OS 0 Not under consideration

zDb2 should provide option to not write RACF statistics without coding any Db2 Signon Exit (DSN3SSGN)

Banca d'Italia, for many good reasons, wants to get rid of any user written assembler exit, including DSN3SSGN .They use DNS3SSGN only with the specific purpose to not collect RACF statistics and so they have modified it by adding STAT=NO on each ...
over 6 years ago in Db2 for z/OS 1 Not under consideration

Row Change Timesatmp with Precision 12 and Timezone

Row change timestamp is sensitive to changing from daylight savings time to standard time since it doesn't support TIMESTAMP WITH TIMEZONE and other precisions than 6.Applications have two requirements that could be combined and solved by the row ...
about 11 years ago in Db2 for z/OS 1 Not under consideration

Index on expression should be used when outer join is rewritten (by the optimizer) as an inner join

When coding the following query (or, generalized query), an index on expression for UPPER(RTRIM(TABB.COLA)) is not used: SELECT ... FROM .... TABA LEFT JOIN TABB ON .... WHERE UPPER(RTRIM(TABB.COLA)) = ? In the above query, it is (originally) writ...
over 6 years ago in Db2 for z/OS 1 Not under consideration

"DBRM load module cross-reference feature" be incorporate into Db2 Administration Tool

As of April 30th, of 2020, IBM Db2 Bind Manager got  'end of service' and would not be supported anymore. Some Bind Manager Function were integrated to the IBM Db2 Administration Tool v12.1 but "DBRM load module cross-reference fea...
over 4 years ago in Db2 for z/OS 2 Not under consideration

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