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).


Shape the future of IBM!

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:


Search existing ideas

Start by searching and reviewing ideas and requests to enhance a product or service. Take a look at ideas others have posted, and add a comment, vote, or subscribe to updates on them if they matter to you. If you can't find what you are looking for,


Post your ideas

Post ideas and requests to enhance a product or service. Take a look at ideas others have posted and upvote them if they matter to you,

  1. Post an idea

  2. Upvote ideas that matter most to you

  3. Get feedback from the IBM team to refine your idea


Specific links you will want to bookmark for future use

Welcome to the IBM Ideas Portal (https://www.ibm.com/ideas) - Use this site to find out additional information and details about the IBM Ideas process and statuses.

IBM Unified Ideas Portal (https://ideas.ibm.com) - Use this site to view all of your ideas, create new ideas for any IBM product, or search for ideas across all of IBM.

ideasibm@us.ibm.com - Use this email to suggest enhancements to the Ideas process or request help from IBM for submitting your Ideas.

IBM Employees should enter Ideas at https://ideas.ibm.com


Add a new idea Subscribe
Status Not under consideration
Workspace Db2 Analytics Accelerator for z/OS
Created by Guest
Created on Feb 3, 2021

RELATED IDEAS

Improve performance of queries with correlated subqueries in IDAA v7

Queries with correlated sub-queries where index access is involved will generally run faster on Db2z then on IDAA v7.

Since IDAA v7 supports correlated subqueries, these queries are generally offloaded to IDAA, although they may run significantly slower on IDAA.

Thus, the offload-decision process by the Db2 for z/OS optimizer need to be more fine-grained. If a correlated subquery runs a few seconds on Db2 for z/OS using index access, and several minutes on IDAA, the query should not be offloaded.

Alternatively, Db2 Warehouse needs to be enhanced so that these queries run faster on IDAA can thus be offloaded to IDAA as well.

This request is a result of performance issues which described in cases TS004225008 & TS004552600.

Needed by Date Mar 1, 2021
  • Guest
    Reply
    |     Dec 13, 2022

    This situation could be related to issue reported on CASE TS010049651, treated recently.

  • Guest
    Reply
    |     Feb 12, 2021

    We currently consider to provide an option to keep selected queries in Db2 for z/OS instead of offloading to the Accelerator.

  • Guest
    Reply
    |     Feb 4, 2021

    This request is very important. I support this request, and hope it will be approved ASAP.

By clicking the "Post Comment" or "Submit Idea" button, you are agreeing to the IBM Ideas Portal Terms of Use.
Do not place IBM confidential, company confidential, or personal information into any field.