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DB2 has many commands which display or alter the status of something. There are a lot of distinct environments from which the commands can be executed (z/OS console, DSN session, TSO DSN command processor, IMS or CICS terminal, special STPs, IFI-i...
With early versions of DB2 the performance of EXPLAIN was not relevant. Nowadays, where DBAs do thousands of EXPLAINs, the performance and turnaround is getting critical. I think there is room for better performance and throughput of mass EXPLAINs...
A View with Select * should be regenertated without Drop/Create View
We have a lot of views defined with Select *. Since DB2 V8 we have the option to add columns to the base table, but the view does not include the new column, which is ok and accepted. But to get the new column we have to drop and recreate the View...
Rename column should be possible if View is on table
We encountered that Rename column is not possible if a View esists on the appropriate table. We would like to exploit this new function (Rename Column), but we have views, which does not allow that. We already have a similar requirement MR02141152...
Customer wants to apply new early code with REFRESH DB2, EARLY by automation software. To be sure that they apply new code, they want to display the early code before the REFRESH DB2 command. Unfortunately this command is not yet implemented, and ...
The new Db2 v12 feature Fast Index Traversal advice at MSTR every 2 minutes about Memory used and indexes applied.This is quite uncomfortable when studing or trying to find something inside MSTR.Example: during 23 days, one Member of a Db2-Product...
over 1 year ago
in Db2 for z/OS
Planned for future release
At the moment nearly all online definition changes to an object leads per default to package invalidation.So online schema evolution is very useful, but with regarding to the availability (7*24) the package invalidation isn't a great implementatio...
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