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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Analytical Functions

Showing 24

Control query parallelism by estimated SQL cost

Competing products (Oracle Database, Microsoft SQL Server) provide the ability to configure query optimizer in a way that it considers using query parallelism only when query complexity exceeds the configured threshold. DB2 lacks that capability, ...
over 9 years ago in Db2 / Analytical Functions 0 Not under consideration

Support GROUPING SETS and SUPER GROUPS by IDAA

Because GROUPING SETS and SUPER GROUPS are not supported by IDAA, the sqls that contain these features canot be accelerated. Please see also pmr 06487,999,756 I opened it by mistake under LUW. I opened a new idea under DB2 for z/Os with identifi...
over 5 years ago in Db2 / Analytical Functions 1 Not under consideration

XMLQUERY Not working in the JOINS

Currently we need to use the XMLQUERY in our LEFT OUTER JOINS during view creation. The views are created with no error, While querying the view it fails with below error. An ON clause associated with a JOIN operator or in a MERGE statement is not...
over 9 years ago in Db2 / Analytical Functions 0 Not under consideration

Enable multiple query optimization class

Add a new database configuration parameter to let DB2 the use of several query optimization classes when compiling an sql statement and choose the best access path depending on the query cost. It could be done automatically depending on a fixed th...
almost 10 years ago in Db2 / Analytical Functions 0 Not under consideration

Optimizer documentation needs enhancement(RIMS)

Optimizer documentation needs enhancement. Until a lab services consultant came onsite to help them they were not able to adequately tune their queries due to poor optimizer documentation. Benefit: Verizon is now a very big user of DB2 and we spen...
almost 10 years ago in Db2 / Analytical Functions 0 Not under consideration

DB2 to add support for Oracle equivalent UTL_RAW package methods.

Oracle provided UTL_RAW to do bit calculation and comparison. After setting DB2 COMPATIBILITY VECTOR for ORA also we don't have any support for these packages in DB2. Oracle's UTL_RAW functions e.g. BIT_AND does not have any limitation on input RA...
about 10 years ago in Db2 / Analytical Functions 1 Not under consideration

Online ALTER TABLE ability to rename column; change nullability; drop col.; etc.(RIMS)

Customer wants ALTER TABLE to be more robust. Specifically, the ability to rename a table's column, drop a column, change nullibility and other unsupported attributes. � To accomplish this now the table must be recreated and repopulated, which i...
almost 10 years ago in Db2 / Analytical Functions 0 Not under consideration

Unicode Data type(RIMS)

Customer's model so far has been to minimize their deployment of unicode databases (it has to do with complexity and db2 skilling), so for cases where they require some columns of unicode data, they want a built-in DB2 datatype to support this. Fo...
almost 10 years ago in Db2 / Analytical Functions 0 Not under consideration

VARRAY datatype that could also be used in queries (joins; in-lists).(RIMS)

Oracle's VARRAY datatype.
almost 10 years ago in Db2 / Analytical Functions 0 Not under consideration

Keep a row count in the table statistics(RIMS)

Keep a row count in the table statistics like redbrick does. Select count(*) shouldnt take 15 minutes no matter how big the table is  And that is 15 minutes and still running  And there should be an aliasing mechanism in place where a select co...
almost 10 years ago in Db2 / Analytical Functions 1 Not under consideration

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