IBM Data and AI Ideas Portal for Customers

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We invite you to shape the future of IBM, including product roadmaps, by submitting ideas that matter to you the most. Here's how it works:

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BLU Acceleration

Showing 30

Section actuals for BLU

Collecting section actuals and compare it with the SQL compiler estimates using the db2caem tool is quite handy to find cardinality mis-estimates in huge plans.
over 3 years ago in Db2 / BLU Acceleration 0 Not under consideration

System maintained MQTs for BLU MPP

We use DB2 v10.5 DPF for a Warehouse Environment (40TB Data, ~9000 Users, 40 Tsd. Reports per day). We want to migrate the database to DB2 v11.1.1.1 BLU MPP with all tables column oriented. In this case we have checked the functionality for system...
about 5 years ago in Db2 / BLU Acceleration 0 Not under consideration

Detect corrupted synopsis tables online

There is a need to report all corrupted synopsis tables online.Currently, db2dart /crs can do it per table and it's done offline.

Support LOB data types for DB2 BLU

DB2 BLU still doesn't support LOB related data types. Some existing databases in DB2 or other RDBMS, such as Oracle, need to be migrated to DB2 BLU and contain some tables with LOB data types. Without LOB data types support for DB2 BLU, they have ...
about 6 years ago in Db2 / BLU Acceleration / Data Types 0 Delivered


ALTER TABLE LOCKSIZE TABLE is an easy way to save lock list and lock acquire for tables that just get accessed by a single application at a given time.
over 3 years ago in Db2 / BLU Acceleration 0 Not under consideration

Create User Temporary Tables in round robin

Assuming that there is more than one temp tablespace with the same page size and 'IN TABLESPACE' clause is not specified in the DECLARE GLOBAL TEMPORARY TABLE command, then DB2 optimizer should allocate the temp tables across all temporary tables...
about 3 years ago in Db2 / BLU Acceleration 0 Not under consideration

Re-build synopsis statistics in BLU

Provide a function to rebuild the synopsis table metadata online/offline to improve query performance.
about 6 years ago in Db2 / BLU Acceleration 0 Not under consideration

Avoid SQL0955C Sort memory cannot be allocated to process the statement. Reason code = 3

It would avoid Db2 errors and interruptions. Every customer using Db2 BLU who ran (or will run) into SQL0955 RC3 errors would benefit.
over 1 year ago in Db2 / BLU Acceleration 0 Not under consideration

Provide SYSTEM / UNIQUE collation sequence support for column organized tables when codepage is 819

The lack of support for anything other than IDENTITY collation sequence for codepage 819 makes migration to BLU very difficult for customers who use it.
over 4 years ago in Db2 / BLU Acceleration 0 Not under consideration

Support additional single-byte encodings for column-organized tables

The latest updates to DB2 have added the support of codepage 809 (ISO8859-1) for databases using column-organized tables..This is good for many Western customers, who are able to avoid switching to Unicode (and paying the penalty of 2x or 3x chara...
over 4 years ago in Db2 / BLU Acceleration 0 Not under consideration