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Difficulties to migrate from old tablespace types to UTS.DB2 V10 gives us the opportunity to use the ALTER-syntax to change tablespace type from SIMPLE or SEGMENTED to UTS PBG without (almost) any outage. Unfortunately there is a limitation which ...
DSNT376I message don't supply total information to solve the problem analisys
I found that as soon as the DB2 Lock Escalation message occurred (DSNI031I), DB2 seems to begin rejecting the ESS SQL calls against this tablespace, *immediately* without waiting the DB2 lock timeout interval. This probably explains why there is n...
Provide a ZPARM to prevent creating new non UTS-tablespaces
I have converted all single table tablespaces to UTS, but some days later new non UTS-tablespaces were created, which I again converted. And again new ones were created, so this process could go for ever.
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-Produ...
Provide better instrumentation for contention between DDL and statement cache
When attempting to execute DDL, it is very difficult to determine what the in-use is, and what in the cache is holding the resource. There needs to be better instrumentation to determine what is blocking successful DDL.
Hello, Since we are in DB2 V10 we use triggers with bi-temporal tables (system temporal + business temporal table) to implement complex relational integrity rules that can not be defined using standard primary/foreign keys. It's related to simple ...
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