Why is a primary key important?

0 Answers  

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What is the use of cursor ? how cursor allocate context area for executing the sql statement?

4 Answers   HCL,

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Can we alter stored procedure?

0 Answers  

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i have a table emp and columns ename,empno,mgr_id,i need ename,manager name as result i.e employee respective manager.. example empno ename mgr_id 1 john 3 2 paul 3 3 smith 1 4 kevin 1 5 stewart 2 result has to look like this ename manager john smith paul smith smith john kevin john stewart paul can u plz help me out in this.....

8 Answers  

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Is primary key clustered index?

0 Answers  

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What is the difference between cross join and natural join?

0 Answers  

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Does pl sql work in mysql?

0 Answers  

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how to rename an existing table in mysql? : Sql dba

0 Answers  

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What is t sql used for?

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Is the primary key an index?

0 Answers  

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what is the need of the cursor attribute notfound..(because using found attribute we can complete the task......found + negation operator = not found )

2 Answers   Tech Mahindra,

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Define commit, rollback and savepoint?

0 Answers  

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