IBM Data and AI Ideas Portal for Customers


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Db2 for z/OS

Showing 798

Support DB2 LUW Specific Functions that are Missing in DB2 z/OS

State of California Office of Systems Integration (OSI) uses Db2 LUW in AIX environment, to support Child Welfare Reporting Caseworkers. We are working on a proof of concept to demonstrate transitioning of reporting workloads from Db2 LUW to IDAA ...
over 5 years ago in Db2 for z/OS 0 Not under consideration

INTERPRET Function for Packed-decimal Data

We have some old tables with a CHAR column where we store a record formatted by a Cobol Program. It contains a mix of display data and packed-decimal data. To use that data we have to read it in a Cobol program and interpret it using a Cobol copyb...
7 months ago in Db2 for z/OS 1 Not under consideration

Full Column Match and I1 Access on SQL with Correlated Sub-Queries Containing Column Expressions and Supporting IoE

Some queries with column expressions - DATE(A1.EFCTV_TS) <= DATE('04/05/2020') for example, and an Index on Expression to support the expression are achieving I1 access while others are not. It appears this is because of how the query is curren...
over 4 years ago in Db2 for z/OS 2 Not under consideration

Modify the DSNJU003 utility to allow it to define anything stored in the Db2 BSDS

When creating and new Db2 member, we must bring it all the way up before we can create the bufferpools, size them, and set the thresholds. We would like the ability to defined them prior to starting the Db2 member/subsystem. When creating an alias...
over 2 years ago in Db2 for z/OS 1 Not under consideration

Configure a user-defined value for disabling all IFI request and MONITOR trace processing after a number of abends

When a certain number of abends occurs, while processing IFI requests, processing of all IFI request and MONITOR trace is disabled, requiring an action from Db2 operator/system administrator to be resumed. Today this number of abends, that disable...
almost 2 years ago in Db2 for z/OS 8 Not under consideration

Dynamic Plan Stability - Option to restabilize an invalidated query missing

We've got several SQL queries stabilized with dynamic plan stability. Reason is to prevent them from getting a bad accesspath. After operations like "ALTER TABLE ... ROTATE PARTITION..." the query is flagged to valid N in SYSIBM.SYSDYNQRY. Than we...
over 4 years ago in Db2 for z/OS 0 Not under consideration

DGTT - declare and use in one SQL statement (basically, this RFE is extension to syntax and functionality of DGTT)

Sometimes we use DGTT to hold complex result sets with many columns. We must DECLARE the DGTT first… and then second, INSERT into the DGTT The DECLARE requires us to think about each column name and type if we list them explicitly.OR. We can DECLA...
over 5 years ago in Db2 for z/OS 3 Not under consideration

Allow for "OPTIMIZE FOR n ROWS" to be added to DELETE, UPDATE Statements

OPTIMIZE FOR 1 ROW can be added to SELECT SQL. One reason may be to influence the optimizer to chose one index over another, or to not perform a SORT with List Prefetch Adding OPTIMIZE FOR 1 ROW to a DELETE statement results in an error: EXPLAIN A...
over 3 years ago in Db2 for z/OS 1 Not under consideration

Break-In for Mass-delete

Enhance the break-in-process so that it also applies for mass deletes and that these deletes can break in into PWFI-transactions bound with RELEASE(DEALLOCATE).
almost 10 years ago in Db2 for z/OS 2 Not under consideration

ARCRETN separation for copy1 and 2

We control the archive log retention for our shop using the ARCRETN zparm which controls both logcopy1 and locopy2. We would like the ability to control these independently as we have application data requirements to retain data for longer periods...
over 6 years ago in Db2 for z/OS 1 Not under consideration

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