when is the use of update_statistics command? : Sql dba

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How do I know if I have sql express or standard?

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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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Is crud a cuss word?

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is it necessary to write group by and order by clause together

3 Answers   HCL, Wipro,

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What is primary key sql?

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What are sql queries used for?

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Explain the order of sql statement execution?

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Can we call stored procedure in function?

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what is data integrity

3 Answers   Fidelity, TCS,

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Why do we use joins?

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what are set operators in sql? : Sql dba

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