Can a foreign key be a duplicate?

0 Answers  

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How we can create a table in pl/sql block. Insert records into it? Is it possible by some procedure or function? Please give example?

0 Answers  

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How to avoid using cursors?

0 Answers  

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What is a sql profiler?

0 Answers  

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How many clustered indexes can be created on a table?

0 Answers  

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select 1,col1,col2 from table1. output?

5 Answers   Ramco,

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what are the advantages of cursors than procedures?

2 Answers  

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What is the use of nvl function?

0 Answers  

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what is the difference between the query and corelated query

8 Answers   HSBC, IBM, TCS, Xenosoft,

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

0 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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while loading data into database how can u skip header and footer records in sql*loader

1 Answers   Oracle,

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