Abhik 0

DB2 Workload Manager (WLM) as a Monitoring Solution– Analyzing WLM Information (Part 3 of 3)

This is part three of a three part series. The full series includes: DB2 Workload Manager (WLM) as a Monitoring Solution – Understanding WLM (Part1 of 3) DB2 Workload Manager (WLM) as a Monitoring Solution– How to Set up WLM (Part 2 of 3) DB2 Workload Manager (WLM) as a Monitoring Solution– Analyzing WLM Information (Part 3 of 3) The...

AprilFools 4

The Coming pureScale Invasion

I’ve thought for a long time that one of the biggest issues that IBM has faced in getting more traction with pureScale is that it’s only included in the Advanced editions of DB2 – Advanced Workgroup Server Edition and Advanced Enterprise Server Edition. The recent announcement of the Business Application Continuity Offering will help expand the pureScale footprint to even more...

4

Giving Automatic Maintenance a Fair Try

I’m a control freak. I think that control freaks tend to make good DBAs as long as they don’t take it too far. My position for years has been that I would rather control my runstats, reorgs, and backups directly than trust DB2’s automatic facilities. But I also try to keep an open mind. That means that every so often...

sqlplus 1

Playing With CLPPLUS

I’ve played with the clpplus at least once before, but have generally thought of it as a tool created to satisfy those coming from Oracle and looking for Oracle-like features. One of the features I actually liked about Oracle in the class and certification tests that I took for it was the ability to specify values for an SQL statement...

7

Adding a GENERATED ALWAYS Column to a Table

GENERATED ALWAYS can be a blessing or a curse. I’m not talking about identity columns here, but about creating a column that is actually a duplicate of some part of the data to boost performance. Sure, in 10.5 we can do indexes on expressions, but for some clients I have trouble just getting them to go to a supported level,...

IanB 1

Keeping EXPLAIN under control

Have you ever looked at a list of tables in your database, only to see the set of EXPLAIN tables present in two, five or even 10 different developers’ schemas? I don’t know about you, but this drives me crazy. Very few of the developers that I know pay attention to these tables, and many of them are not even...