How do you explain an index number?
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Explain the working of foreign key?
How do you go back in sql?
Is it possible to update views?
What is oracle and pl sql?
How do you delete a table?
What is self-join and what is the requirement of self-join?
Explain the structure of pl/sql in brief.
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display null value rows with out using null function?
How to access the current value and next value from a sequence?