How many databases can sql express handle?

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What is indexing in sql and its types?

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What if we write return in procedure?

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What is the use of partition by in sql?

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Find out the 3rd highest salary?

51 Answers   BirlaSoft, DAC, Silvia Infotech, Sutra Infotech,

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What is the difference between drop and truncate commands?

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Why do we use cursors?

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what is online transaction processing (oltp)? : Sql dba

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what is the difference between char and varchar data types? : Sql dba

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What port does sql server use?

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Dear All, Question for this Week Find out possible error(s) (either at compile time or at runtime) in the following PL/SQL block. State the reason(s) and correct the errors. Declare Cursor C1 is select ename, sal, comm from emp; Begin For i in C1 Loop If i.comm between 299 and 999 then Dbms_output.put_line(i.Ename || ‘ ** Good Commission’); Elsif i.comm > 999 then Dbms_output.put_line(i.Empno || ‘ ** Very Good Commission’); close C1; Else Dbms_output.put_line(i.Ename || ‘ ** ’ ||nvl(i.comm,‘O’)); End if; End Loop; End;

7 Answers   Accenture,

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Query for second maximum salary in each in each department

15 Answers   DST Global Solutions, TCS,

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