Why are recursive relationships bad? How do you resolve them?
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What does a hard one-to-one relationship mean (one where the relationship on both ends is "must")?
What do you mean by oracle database?
What are the different types of database users?
What is oracle archived redo log?
How to uncatalog backup?
You see the following on a status report: redo log space requests 23 redo log space wait time 0 is this something to worry about? What if redo log space wait time is high? How can you fix this?
What are the tradeoffs between many vs few indexes? When would you want to have many, and when would it be better to have fewer?
If you are not sure what command does a particular unix function what is the best way to determine the command?
What operator tests column for the absence of data?
What does dba stand for database?
What does the no logging option do? Why would we use it? Why would we be careful of using it?
What is the difference between a materialized view (snapshot) fast refresh versus complete refresh? When is one better, and when the other?