What is a Procedure ?

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How many sql commands are there?

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Which sql statement is used to return only different values?

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How does a trigger work?

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What are the benefits of pl/sql packages?

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What do you mean by dbms? What are its different types?

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What are keys in sql?

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why not null constraint showing its constraint type as 'c'

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Why do we use procedures in pl sql?

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What are the cursor attributes used in PL/SQL ?

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Hello All, Could any well write a query for the following scenario. Account(table name) No Name Amount 1 ABCD 2000.00 2 DEFG -2000.00 3 GHIJ 3000.50 4 JKLM 4000.00 5 MNOP 6000.00 O/p Should be in this format No Name Credit Debit 1 ABCD 2000.00 0 2 DEFG 0 -2000.00 3 GHIJ 3000.50 4 JKLM 0 -4000.00 5 MNOP 6000.00 o could any one give appropriate query for this Thnks in Advance

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What is string join?

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