IBM Data and AI Ideas Portal for Customers


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Db2 for z/OS

Showing 986 of 15639

Add the column name to sqlcode -407

When there are many columns in the sql and there are many rows that affected by the sql, it is very difficult to found the problematic column.For example, if it is an INSERT statement with fullselect, or UPDATE statement that update many rows with...
about 7 years ago in Db2 for z/OS 0 Not under consideration

Copytocopy utility runs in parallel

BdB does a flashcopy from one tablespace (one copy for each partition), and they need to do a COPYTOCOPY. Today we use another DB2 utility vendor and it has an option to do parallel copies.We tried to run IBM DB2 Utility, but we didn't find an par...
about 7 years ago in Db2 for z/OS 1 Not under consideration

Simple and fast recovery of DB2 CF structures.

Currently there is a list of steps on what to do in case of failures in DB2 CF structures.These structures are vitally important for DB2 Data Sharing. I suggest having a single command that allows quick and easy error recovery for these DB2 struct...
about 3 years ago in Db2 for z/OS 0 Not under consideration

Identify a more representative selectivity for common predicates

Our queries have predicates that many queries share in common where the default selectivity is significantly outside the range of what ever actually occurs. This results in poor and/or unstable query performance. For common predicates with high un...
over 11 years ago in Db2 for z/OS 1 Not under consideration

Update DB2 (DDF) to use a stronger Hash Algorithm in the DDF global authentication cache feature

Presently, DB2 DDF is using MD5 Hashing in the DDF global authentication cache feature. This hashing cipher is long considered weak and guidance is that it should no longer be used. We ask IBM to consider a change to DB2 to up level this feature t...
about 1 year ago in Db2 for z/OS 0 Future consideration

Expanding Messages DSNB355I and DSNB356I

MSG DSNB355I / DSNB356I did not give information for the affected object and page. So any reaction and reason search on these Messages is not possible. Please expand the message information for the object information with DBID.PSID.#partno.#pageno.
about 5 years ago in Db2 for z/OS 0 Not under consideration

DIS LOCATION - Show entries for multiple drivers versions from a single server

DIS LOCATION caches the PRDID for the first connection from a remote server. Additional traffic from the same server using different drivers is not dynamically displayed. For example if a test connect uses the JCC driver and all additional traffic...
about 3 years ago in Db2 for z/OS 0 Future consideration

Stored-Proc ADMIN_UTL_SCHEDULE: Add a Stop-Condition to continue when RC > 12 occurs

When a Db2-Utility started by Stored-Procl ADMIN_UTL_SCHEDULE abends the Reason-Code is passed back as the Return-Code. This happens for example if REORG fails due to problems with allocating SORTWORK-Datasets, especially for big tables, or when i...
about 2 years ago in Db2 for z/OS 0 Not under consideration

DB2 IFI306 metrics

With out IFCID 306 log read metrics, it is difficult assess capture task efficiency and performance
about 1 year ago in Db2 for z/OS 0 Future consideration

CHECK DATA for informational referential constraints

We use informational referential constraints, i.e. foreign keys defined as NOT ENFORCED for some relationships between tables. When running the CHECK DATA utility for a table with foreign keys defined as NOT ENFORCED the foreign keys are not check...
over 7 years ago in Db2 for z/OS 1 Not under consideration

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