What operator tests column for the absence of data?
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How to uncatalog backup?
You look at the dba_rollback_segs view and see that there is a large number of shrinks and they are of relatively small size, is this a problem? How can it be fixed if it is a problem?
Explain the wait events in statspack report 'db scattered read'?
Why are recursive relationships bad? How do you resolve them?
When looking at v$sysstat you see that sorts (disk) is high. Is this bad or good? If bad -how do you correct it?
What should a dba know?
What is the difference between raid 5 and raid 10? Which is better for oracle?
What are the beneficial tools for administering the database?
What is a dba?
How do you generate file output from sql?
How do I become a database administrator?
Explain the various modes of normalization?