The table has 3 columns 4 rows. The output is which column has least null values( A COL SHOULD BE THE OUTPUT) Write the query plz. A B C ================ 1 NULL 2 NULL 3 4 NULL 5 6 7 NULL NULL O/P C = 2 4 6

2 Answers   TCS,

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What is pragma autonomous transaction in oracle?

0 Answers  

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what is the difference between joins and set operators.i am always confusing with two,can u pls kindly help me .

5 Answers   HCL, LN,

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How oracle handles dead locks?

0 Answers  

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After update how do u know how many records got updated

4 Answers   TCS,

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Explain an integrity constrains?

0 Answers  

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Explain the truncate in oracle?

0 Answers  

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what is exact difference between drop and truncate table.

3 Answers  

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How to handle a single quote in oracle sql?

0 Answers  

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defination of bitmap index

0 Answers   NIIT,

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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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List the types of joins used in writing subqueries?

0 Answers  

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