Where do we use decode and case statements?
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1.how to extract the second highest salary from emp table having sal as a column which contains the salary of all employee of an organisation.
Why we use bulk collect in oracle?
what is shell?
difference between oracle8i and oracle9i
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What are the Characteristics of Data Files ?
Explain the truncate in oracle?
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Explain oracle’s server parameter file.
Explain index?
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