SQL optimization and tuning is fun for a lot of folks. For others it’s a affirmation that the database is ‘magic.’ I fall somewhere in the middle. No matter where you find yourself on that spectrum however, it’s pretty safe to assume that at some point you will look at an execution plan for insight [...]
Tuning
On Real-Time SQL Monitoring and the /*+MONITOR*/ Hint
Oracle 11gR1 Enterprise Edition with the Diagnostic and Tuning packs has a very compelling new feature, Real-Time SQL Monitoring. Oracle thinks enough of the feature that it was highlighted prominently in whitepaper by ACE Directory Arup Nanda titled “Oracle Database 11g: The Top Features for DBAs and Developers” (read it here) Long story short: Too [...]
My Oracle is broken, can you fix it?
“Look for things that make them go!” – from ST:TNG, “Samaritan Snare” (Wiki) I have a tendency to relate everything in life back to a Star Trek or South Park episode – it’s a personal problem and I’m currently in therapy, courtesy my DVR. But back to Oracle… How often have you been asked to [...]
Angry Birds of Database Performance Tuning
Database developers and DBAs often play the role of gunslinger, or a hired gunman. Someone brought in to ‘kill’ the bad guy, in this case, an under-performing database. Our tools of the trade are not as dramatic as firearms, but we can do just as much damage. Ever heard of Angry Birds? In this mobile [...]
SQL_IDs, Plans, and Baselines, Oh My!
Do you run a 3rd party application that uses Oracle RDBMS under-the-hood? Do you experience performance issues? Frustrated that you do not own the application SQL that is causing the issues? Maybe an upcoming upgrade to 11g might give you some relief. Many of the customers I speak with are unaware of a new 11g [...]
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