CHAPTER
1
Presenting Tools for Tuning
The profession of Oracle database administrator (DBA) has been compared to that of a cardiac surgeon or airline pilot, because when any of these professionals does the wrong thing at the wrong time, something catastrophic is almost certain to occur. But in many ways, an Oracle DBA is also like a master machinist, because he or she must detect whether a complex machine is malfunctioning or is performing at less than optimal levels, determine the root cause for that suboptimal performance, and then—most importantly—employ exactly the right tool to correct the problem. And that’s what this book is all about: ...
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