IBM Data and AI Ideas Portal for Customers


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Db2 for z/OS

Showing 777

Wrong result from reading System Temporal Tables with CURRENT TEMPORAL SYSTEM_TIME set to a non-NULL value

When reading System Temporal Tables we set a value for the special register CURRENT TEMPORAL SYSTEM_TIME in order to get the appropriate result. If it is NULL only the base table is read. If it is not NULL we want both the base table and the histo...
almost 6 years ago in Db2 for z/OS 1 Not under consideration

Wrong result from reading Archive Enabled Tables with GET_ARCHVIE set to Y

When reading Archive Enabled Tables we set a value for the global variable GET_ARCHIVE in order to get the appropriate result. If we set it to N only the base table is read. If we set it to Y we want both the base table and the archive table to be...
almost 6 years ago in Db2 for z/OS 0 Not under consideration

ALTER TABLESPACE DEFINE YES

Currently, if a tablespace or index is created with DEFINE NO, the underlying VSAM cluster is not created until the first row is inserted, or until LOAD RESUME NO REPLACE is executed. This is used a lot, for example, in SAP or PeopleSoft systems. ...
almost 6 years ago in Db2 for z/OS 0 Not under consideration

Create a new partition if a LOB-tablespace gets a new partition in a UTS PBG

Hi Sometime the base-table is very small whereas the corresponding lob-tablespace can get bigger and bigger. So the base tablespace remains at one partition whereas the log tablespace can run against the limit of 255 datasets
about 6 years ago in Db2 for z/OS 1 Not under consideration

DB2 - ALTER TABLE ROTATE

Auslöser :PMR 28789The deadlock occurs between the ALTER TABLE ROTATE FIRST TO LAST, which invalidates pkg dependent on the table and triggers an auto rebind ( Thealter table process obtained a row lock on SYSTSTAB and waiting for row lock on SYS...
about 6 years ago in Db2 for z/OS 0 Not under consideration

Add an option to DB2 for z/OS utility REPAIR

The Repair-Utility has almost all features to fit a pageset, copied from one DB2 sub system („Source“) into another („Target“):· REPAIR LEVELID to prohibit downlevel detection· REPAIR CATALOG to alter the DB2 catalog to accept some pages...
over 6 years ago in Db2 for z/OS 1 Not under consideration

Explain STMTCACHE By DSG instead of 1 member

EXPLAIN STMTCACHE ALL will only enter data into the DSN_STATEMENT_CACHE table for the member of the datasharing group on the LPAR which it's running. To get all of the dynamic SQL stats, the EXPLAIN has to run multiple times. Have the ability to e...
over 10 years ago in Db2 for z/OS 1 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 10 years ago in Db2 for z/OS 1 Not under consideration

Generate async IFCID 317 with async IFCID 316

When DB2 writes an asynchronous IFCID 316 record, there is no way to obtain the complete SQL statement text because it is no longer in the dynamic statement cache. We need for DB2 to make the SQL statement text available in an asynchrounous IFCID ...
about 11 years ago in Db2 for z/OS 0 Not under consideration

Option to disable implicit database creation

A new Zparm which disables the possibility to create the implicit created databases which was implemented in DB2 9.Database name e.g. DSN00001
over 11 years ago in Db2 for z/OS 0 Not under consideration

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