what are all the different normalizations? : Sql dba

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Is a view faster than a stored procedure?

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if i perform any operation on views such as insert, delete etc will my base table get affected?????

4 Answers  

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what are the differences between require and include, include_once and require_once? : Sql dba

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Which kind of parameters cannot have a default value in pl sql?

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Show how functions and procedures are called in a pl/sql block.

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Can we delete column in sql?

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How to find string or key value using pl/sql code?

2 Answers   Ramco,

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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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Explain two easy sql optimizations.

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What is difference between a Cursor declared in a procedure and Cursor declared in a package specification ?

2 Answers   JDA,

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How to get second highest salary from a table

3 Answers  

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