How do you create a db file?


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while loading data into database how can u skip header and footer records in sql*loader

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PL/SQL allocates memory for the variable's at runtime or at compile time

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How do I sort a table in sql?

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one of the column in my table contains the data like SAL ---- 1000 1000 2000 3000 3000 So my requirement is i want output like SAL --- 1000 2000 3000 it mean i want to delete duplicate rows only how should u write query?

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Can we want to pass a parameter payroll_id to this external pl/sql function, how do we do it?

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How do I start sql profiler?

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What is pl sql commands?

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explain what is mysql? : Sql dba

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Is pl sql useful?

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Who developed sql?

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Explain uses of cursor.

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How can you maintain the integrity of your database on instances where deleting an element in a table result in the deletion of the element(s) within another table?

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