What happens if variable names collide with table/column names?
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Explain the use of indexes option in imp command.
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What happens to the indexes if a table is recovered?
How to call a stored procedure inside a trigger? Give an example.
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write a query to dispaly those name who is more than one in student table? example- in a student table sandeep kumar comes 4 times, rakesh kumar comes 2 times, ajit kumar comes 1 times so query will display sandeep kumar and rakesh kumar single times.