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Ubuntu 16.04 LTS has End of life as April 2021. We use IBM DB2 11.1.4 Enterprise Edition on Ubuntu 16.04 LTS for our MDM instances which is not compatible with the higher versions of Ubuntu -18.04 LTS and above. Same is true for the updated versi...
When issuing a sentence like:
db2 drop audit policy SELECT_ALL_TABLES
The returned error message does not include the schema of the problematic object:
SQL0478N The statement failed because one or more dependencies exist on thetarget object....
Latch information and more internals information for performance analysis
Detailed information about LATCH to DBA. More information of wait events would be good too like if a statement is waiting for a sequential read, how much the transaction is spending on network time , block concurrency, and so on.
Reproduce Scenario and found to be a expected behavior while CTAS locks syscat.tablessession 1 > create table Table1 as (select * from Table_2 ) with data;session 2, query tool > select * from syscat.tables; --> lock waiting
Add options for "recommend indexes" and "evaluate indexes" explain types to explain_from_section
When running explains from jupyter notebook, I prefer to use EXPLAIN_FROM_SECTION. However for in-depth analysis of indexes, I need the RECOMMEND INDEXES and EVALUATE INDEXES explain modes. These don't seem to exist for EXPLAIN_FROM_SECTION. This ...
Tool db2batch should be able to display Number of rows affected
Often db2batch is used for tuning / benchmarking purposes and very often the number of affected rows is interesting.
Command line tool. 'db2'. provides the option to display the Number of rows affected, db2 -tvmf <SQL-DML-File>
$ db2 -t...
WLB does not work for Java XA applications in pureScale environment
If WLB is enabled and Java client is involved in XA transaction, jcc driver does not perform work load balancing (WLB), when the Transaction Manger uses Dual or Multi-transport model (for example: IBM MQ and IBM LotusÂ® Domino).
db2set -g DB2INSTDEF instance incorrect install version makes global registry unusable
db2set -g DB2INSTDEF instance incorrect install version makes global registry unusable.This can be caused by an upgrade from Version 9.7 to 10.5 or accidently by someone making a mistake setting an instance from another software version to be DB2...
Appears nodename is limited to 8 characters. The hostname allows for 255 characters. Typically we use server name as nodename and the fully qualified server name with domain as hostname. SF is looking at pushing server names to 15 characters. ...
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