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New NOT NULL columns cannot be added to an empty table without a default value.
Submitted on behalf of Gregor Hack (email@example.com).New NOT NULL columns cannot be added to an empty table without a default value (WITH DEFAULT). Customer currently sets a dummy default value, which they drop afterwards.
Allow complete acces path in optimization hint (like db2 for ZOS)
We have the same cobol application that on both z/os and luw.We are using static sql in packages. We run 12 schemas using the same sets of tables in each for manual application parallelism.Occasionally a package for a given schema will flip acces...
This customer is receiving the SQL0437W warning when the DB2 optimizer changes strategies, this warning makes applications and scripts fail. He is one of many customers complaining that it makes application and script fail. This warning should not...
Create a storage group in a specific database partition group.
After discussing with Pavel Sustr & Quentin Presley there is current no plans to for this hence the request. I'm copied the initial e-mail request. Is there any plan to allow storage group definition, in DPF, to apply to a particular dbpart gr...
Improve poor query compilation performance due to long lock list traversal in DB2 10.1 and later
Beginning with DB2 LUW 10.1 DGTT-referencing DML started to take catalog locks and therefore we have to free them and potentially traverse long lock chain if the DML is a part of a long-running transaction potentially holding millions of locks. Th...
DB2 LUW to have option to ignore QUERYNO clause of SQL on DB2 z/OS
The client has many SQL for z/DB2 production environment with QUERYNO clause like the following sample. Â Â SELECT /* Comment */Â Â Â Â Â Â A_ID,Â Â Â Â Â Â A_NAMEÂ Â Â Â FROMÂ Â Â Â Â Â A_MASTERÂ Â Â Â WHEREÂ Â Â Â Â Â...
Unique return code for attempts to grant access to statistical views
When a grant of access to a statistical view is attempted, the error message returned is -551, you lack the authority to do the grant. In actuality, no amount of authority will allow the grant of access to a statistical view.
Eliminate a lock needed by a SELECT statement in order to performance a query without need to implement a dirty read - UR.Although there is a solution doing an uncommitted read on the transaction, it requires an application modification changing ...
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