Answer / mk

An extent is a contiguous set (side-by-side) of Oracle data blocks allocated to a segment within a tablespace.

Why primary key is required?

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How do I view an execution plan in sql?

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What is the use of procedures?

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package specification-3 procedures package body-2 procedures will is execute

2 Answers   PWC,

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What problem one might face while writing log information to a data-base table in pl/sql?

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name 3 ways to get an accurate count of the number of records in a table? : Sql dba

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What are % type and % rowtype?

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Are stored procedures faster than dynamic sql?

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Difference between SUBSTR and INSTR?

3 Answers  

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Which version of sql do I have?

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What is the difference between join and natural join?

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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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