IBM Data and AI Ideas Portal for Customers


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Db2 for z/OS

Showing 805

REORG TABLESPACE REBALANCE option to leave some partitions empty

The current REORG TABLESPACE utility with REBALANCE option will distribute rows evenly accross partitions. Many of my tables have ascending keys, so after a REBALANCE of several partitions (example PART(10:16) ), most new rows will be inserted int...
over 5 years ago in Db2 for z/OS 0 Not under consideration

Allow Secondary AUTHID and Patterns in AUTHID column of the RLF tables

In order to make administration of the RLF tables easier, we would like to be able to enter a Secondary Authid or an ID Pattern. Secondary AUTHIDs would allow us to use definitions in the Security Manager to accommodate resource limits for many ID...
over 1 year ago in Db2 for z/OS 1 Not under consideration

Provide partition load for multiple partitions

GGDB212007 Provide a parameter for a partition range and/or partition listing like reorg utility does, e.g. -> PART (18:20, 22, 25)
over 12 years ago in Db2 for z/OS 2 Not under consideration

DB2 for zOS correlated column behavior

Problem statement - unqualified column name interpreted as correlated reference. As per example below: DELETE FROM SYSADM.T1 WHERE COL3 IN (SELECT COL3 FROM SYSADM.T2)--> DSNT404I SQLCODE = 012, WARNING: THE UNQUALIFIED COLUMN NAME COL3 WAS INT...
almost 2 years ago in Db2 for z/OS 1 Not under consideration

DB2 accounting SMF101 with reporting class

The absence of report class in DB2 SMF record 101 is cumbersome for capacity management. Report Class is used for workload reporting and accounting. To match SMF 72 (values by report class) with SMF 101 (values by thread, i.e. for userid and other...
almost 13 years ago in Db2 for z/OS 1 Not under consideration

Add/improve support for JSON Publishing and Parsing functions

Currently the JSON functions on DB2 z/OS are lagging behind other platforms (LUW, iSeries) by atleast 3-4 years. There is no support for building JSON document using functions like JSON_ARRAY, JSON_OBJECT, JSON_ARRAYAGG, JSON_OBJECTAGG which are a...
almost 5 years ago in Db2 for z/OS 8 Not under consideration

Allow for LISTDEF processing when using CHECK Utility

Details: 1) Manual does not mention use of "LIST" on the "CHECK DATA" page. Example proposed syntax: LISTDEF CHKLIST INCLUDE TABLESPACE DB123.* CHECK LIST CHKLIST SCOPE ALL EXCEPTIONS 0 SORTDEVT WORK
about 9 years ago in Db2 for z/OS 1 Not under consideration

Parrallel offload (Archive logs)

DB2 offload logs in sequential mode. We offload logs directly to virtual tapes and sometimes when have problem with tapes DB2 holds many full active logs. It'll be great if DB2 can offload for example ten full active logs in parallel.
over 8 years ago in Db2 for z/OS 1 Not under consideration

One-Fecht Index Scan for SELECT min(), max()

At the moment only a single SELECT min(a) or a SELECT max(a) uses a suitable index I(a, ...). When selecting both, min() and max(), a tablespace scan is used to determine the minimum and maximum value. With large tables this behaviour is very expe...
10 months ago in Db2 for z/OS 1 Not under consideration

Math function changes in Db2 12

POWER Built-in function got rewritten and so I am hoping to get a list of all changed built-in functions in Db2 12 so that I can do better testing before going into production.
over 7 years ago in Db2 for z/OS 0 Not under consideration

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