IBM Data and AI Ideas Portal for Customers


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Db2 for z/OS

Showing 178

DB2 Dynamic Remove Active Log Command

I would like to be able to dynamically remove active log datasets from a DB2 subsystem/DB2 data sharing member that have a status of: STATUS=REUSABLESTATUS=TRUNCATED, REUSABLE This would allow DB2 active log datasets to be resized, without closing...
over 9 years ago in Db2 for z/OS 1 Delivered

LOAD a TABLE with WHEN / DISCARD

When loading a table with WHEN and DISCARD, rows that do not qualify because of the WHEN condition get "discarded" and:- discard file is populated with them- it is impossible to distinguish records discarded because of the WHEN clause and e.g. the...
almost 10 years ago in Db2 for z/OS 0 Delivered

Improve implicit casting

Since V10 there is implicit casting, which is one hand a good feature, but on the other hand can lead to big performance problems. Improve the implicit casting so that the resulting datatype is indexable, e.g. make SELECT ... FROM T1 WHERE Integer...
almost 10 years ago in Db2 for z/OS 1 Delivered

Support OR REPLACE option in Native SQL Procs

We would like the 'OR REPLACE' syntax that is available on the LUW Create Procedure statement for native SQL Procedures to be supported on DB2 for z/OS.
almost 10 years ago in Db2 for z/OS 1 Delivered

Collect MVS parameters affecting DB2

Enabling 1MB page sizes in z/OS has a significant performance impact on DB2, but there no way from within DB2 of knowing whether this attribute is on, and to what extent one is benefiting from using this feature.
about 10 years ago in Db2 for z/OS 1 Delivered

Additional DB2 MQListener Enhancements

We are about to see a ramp-up in the use of the DB2 MQListener in our production environments serving key application/business channels. We are requesting several enhancements that will improve usability and availability to the business process se...
about 10 years ago in Db2 for z/OS 1 Delivered

SQL-based hint capability

As we all know are not all access paths optimal, sometimes the optimizer makes a wrong assumptions are maybe all necessary stats are not always available. Therefore it would be beneficial to have an SQL-based syntax, e.g. as a common table express...
about 10 years ago in Db2 for z/OS 1 Delivered

alter tablespace to convert PBG to PBR online

Changing a PBG-tablespace to a PBR one means dropping and recreating the object, involving a number of related tasks such as UNLOAD, LOAD, CHECK asf.
about 10 years ago in Db2 for z/OS 1 Delivered

Enhance SPT01: max partition to more than 1, and Sysadm can amend the PART Size from 64gb to 32gb .

The Tablespace is in VSAM-E format with 252 Extends in already 32Gb size. It cannot create the 2nd Partition .Because the max partition of SPT01 is 1 and the partition size is 64gb. When application sharing the testing environment of UT, ST, SIT ,...
about 10 years ago in Db2 for z/OS 2 Delivered

Allow for 16 IFI trace outputs to run concurrently

When a program starts a trace that is to go to destination OPX, there are currently only 8 of these that can be run at a time. This can be somewhat constraining (and has at times caused us some issues). Could this limit be bumped to 16 with the de...
over 10 years ago in Db2 for z/OS 1 Delivered

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