IBM Data and AI Ideas Portal for Customers


This portal is to open public enhancement requests against products and services offered by the IBM Data & AI organization. To view all of your ideas submitted to IBM, create and manage groups of Ideas, or create an idea explicitly set to be either visible by all (public) or visible only to you and IBM (private), use the IBM Unified Ideas Portal (https://ideas.ibm.com).


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Db2

Showing 1345

Inplace Reorg should be allowed on a table with an Expression Based Index

Expression Based Indexes (available since V10.5) are a great feature that can improve query performance without adding a new (generated) column and modifying existing code. But, you cannot do an Inplace Reorg on a table with an Expression Based In...
over 6 years ago in Db2 / Utilities (Export Import Load db2look etc) 0 Not under consideration

Removing defunct Delta Backup images after automatic database backup image removal

We have automated backup options enabled (num_db_backups and rec_his_retentn both set). Our backup schedule takes a full backup on Sunday and a Delta every other day of the week. When a full backup image qualifies for removal, with reference to th...
over 6 years ago in Db2 / Backup/Restore/ Rollforward/ Recover 0 Not under consideration

InsteadOF SQL

It is common in the database world (DB2 but all the others I have worked with are the same) to have a separate product installed that generates code and submits it to the database for processing. Eventually, you will encounter SQL that doesn't per...
over 6 years ago in Db2 / Statements (DDL and DML) 0 Not under consideration

EHL mode enhancement in pureScale.

Although the feature was enabled by mimicking a sysplex,, it is impossible to apply in the real world.The first reason is that the performance overhead is too much when switching from the not shared state to the shared stateSecondly, it is impossi...
over 6 years ago in Db2 / Tables/Index (Range MQ MDC etc.) 0 Not under consideration

Make NUMBLOCKPAGES automatic/self tuned

Make the value of NUMBLOCKPAGES to be automatically computed as a percentage of the total number of pages in a bufferpool AND/OR make at least the update of such value an online operation.
over 6 years ago in Db2 / Operating System/Virtualization 0 Not under consideration

Consideration of Statistical Views for INSERT with Sub-SELECT

We try to improve the performance on an INSERT with an underlying complex subselect eg. "INSERT INTO table "Therefore we created a statistical view through which the optimizer should be able to get more distribution statistics and build a better a...
over 6 years ago in Db2 / Statements (DDL and DML) 0 Not under consideration

Removing the need for local OS users for installing and using DB2

DB2 Database needs 2 local OS users, db2inst1 and db2fenc1. Can this dependency be removed?
over 6 years ago in Db2 / Installation & Upgrade 1 Not under consideration

Truncate incompatible with online backup command

Db2 online backup for warehouse environments running longer depending on database size, online backup command have a lock incompatibility with Truncate table command which is says backup is not fully online. This should be one essential feature th...
over 6 years ago in Db2 / Backup/Restore/ Rollforward/ Recover 5 Not under consideration

Differentiate between Read and Write IO performance (Overhead and TransferRate) and optimise accordingly

Background: Db2 is sensitive to IO performance, and compiles access plans accordingly to optimise IO versus CPU costs. At the tablespace level, average Overhead and TransferRate are configured in units of milliseconds. Issue: customers such as our...
over 6 years ago in Db2 / Other/Unknown 0 Not under consideration

Recover should better support offline backups

Recover should better support offline backups. Using a log archive mode database it is possible to restore an offline backup using recover. It is necessary to specify the 'End Time' of the offline backup, otherwise recover would choose an older ba...
over 6 years ago in Db2 / Backup/Restore/ Rollforward/ Recover 0 Not under consideration

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