What is denormalization and why would someone consider doing so?
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select Nth highest salary by using rownum
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Define checkpoint.
What are the different file extensions that are created by Oracle ?
Which factors does not affect the size of the SGA ?
What are indexes? What are b-trees?
Why c++ used in clipper?
What is a RADIO GROUP ?
What is a distributed database?
When the SYSTEM TABLESPACE can be made off-line ?
What are the advantages of using Query Strings?
How the SMON process is used to write into LOG files ?
Enlist some commands of ddl, dml, and dcl.