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Reorg blocking applications when using "allow write access"
While an "allow write acces" online reorg is running lock-wait contention can happen based on the number of rows being updated by an application. The locks for the application can escalate to lock an x lock. If this situation happens, the reorg sh...
We use a VTL for our Tape Environment. For a VTL it is recommended by IBM to use UNIT=(TAPE,,DEFER) in all Jobs. DB2 uses templates to generate JCL. In this templates it is not possible to code a DEFER parameter. Is there a way to solve this dilemma?
Currently, automatic reorgs can only be performed offline. The additional functionality we are looking for would be the ability to perform automatic in-place/online reorgs. The benefit of that is users still have full table access during the proce...
With DB2 Connect you can easily execute DDL from a remote workstation to create/modify existing z/OS DB Objects. However, when you need to delete and recreate tables while keeping the data (and ALTER ist not an option) it is necessary to open a TS...
ADMIN_MOVE_TABLE should immediately fail or at least warn when source table is ineligible for SWAP
Even after upgrading the database to Db2 V11.5 and beyond, older tables with check constraints and/or generated columns that were created before V9.7 will still cause the SWAP phase of ADMIN_MOVE_TABLE to fail with SQL0668N reason code 10. The und...
Use package collection other than NULLID for CLP and Db2 Utilities
Db2/zOS colleagues want to get rid of lock issues with rebind of packages in schema NULLID, thus the decided to have Db2/zOS release specific package collections to provide actual and rebound packages for every Db2 release to the distributed (Db2/...
DB2_DMU_DEFAULT=IMPLICITLYHIDDENMISSING, if set at instance level then we should not need it to be specified again in import command just like 9.7 clients
We are facing an issue for version 11.1. FP5 where we are able to load the data into a table with a column in a table which has IMPLICITLY HIDDEN column, In the past we were able to run the import and not specified the column name and it has worke...
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