How to get each name only once from an employee table?
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what is single byte over head in oracle..?
Explain spool.
Can we call a function containing dml statements in a select query?
i have a table eno dno sal 1 10 200 2 10 150 3 10 100 4 20 75 5 20 100 i want to get sal which is less than the avg sal of thri dept. eno dno sal 2 10 150 3 10 100 4 20 75
function can return multiple value?how give give sample coding
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