Which sql most popular?

0 Answers  

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What are system versioned tables?

0 Answers  

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Why use truncate instead of delete?

0 Answers  

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What is a self join ?

6 Answers   BirlaSoft,

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Can two tables have same primary key?

0 Answers  

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what is 'mysqlcheck'? : Sql dba

0 Answers  

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What is integrity constraints?

5 Answers   Ramco, Satyam,

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what is the difference between truncate and drop statements? : Sql dba

0 Answers  

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What are pl/sql cursor exceptions?

0 Answers  

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What is partition by in sql?

0 Answers  

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Does indexing improve query performance?

1 Answers  

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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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