Discuss row chaining, how does it happen? How can you reduce it?
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How should a many-to-many relationship be handled?
What does a senior database administrator do?
What os user should be used for the first part of an oracle installation (on unix)?
How many redo logs should you have and how should they be configured for maximum recoverability?
What does a dba do all day?
If you had a tablespace, test_tablespace, which consists of three files:test01.dbf, test02.dbf, and test03.dbf, and someone accidentally used the unix command"rm" to delete the file test02.dbf, what else would you need in order to recover all the data thatwas present in test_tablespace at the time that test02.dbf was deleted?
You look at the dba_rollback_segs view and see that you have a large number of wraps is this a problem?
What is explain plan and how is it used?
What command is used to type files to the screen?
What are roles in oracle?
What operator tests column for the absence of data?
What causes the "snapshot too old" error? How can this be prevented or mitigated?