Explain the characteristics of oracle dba?

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Explain the function of optimizer in oracle?

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What is SAVE POINT ?

5 Answers  

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What are the common oracle dba tasks?

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What is Java Pool in Oracle?

0 Answers   MCN Solutions,

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Hi this srilatha. I comlpeted my Oracle-hrms. can u provide me interview questions on Core hr, payroll,sshr,OLM etc..

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WHAT IS THE DIFFERENCE BETWEEN PRIMARY KEY(PK) CONSTRAINT AND UNIQUE KEY(UK) + NOT NULL(NN) CONSTRAINT ASSIGN TO A COLUMN ? INSTEAD OF ASSIGNING PK ,WE CAN ASSIGN UK + NN TO A COLUMN. WHAT ARE THE MARRITS AND DEMARITS BETWEEN THE ABOVE TWO?THE ABOVE TWO ARE SAME,THEY DON'T ALLOW DUPLICATE AS WELL AS NULL VALUES.

3 Answers  

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How to loop through data rows in the implicit cursor?

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Is it possible to set second Primary Key Constraint in a table in Oracle Database ?

0 Answers   MCN Solutions,

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create or replace procedure show_tab_rec ( P_tab VARCHAR2 ) IS cmd varchar2(50); begin cmd := 'select * from '|| P_tab; for int in ( execute immediate cmd ) loop dbms_output.put_line ( int.ename||' '||int.deptno); end loop; end; when i m compling this procedure i m getting this error PLS-00103: Encountered the symbol "IMMEDIATE" when expecting one of the following: . ( ) , * @ % & | = - + < / > at in is mod remainder not range rem => .. <an exponent (**)> <> or != or ~= >= <= <> and or like LIKE2_ LIKE4_ LIKEC_ between || multiset member SUBMULTISET_ PLZ solve this error give this question answer asap Thanks advance.......

1 Answers   HCL,

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What is oracle data type?

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what are different types of locks?

6 Answers  

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