Please help me how to write a Query to change the primary key constraint from 1 attribute to another attribute in a table

3 Answers  

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How can one skip any number of rows while loading the DB tables with SQL Loader? Similarly how can one skip any column?

1 Answers   IBM,

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find out the second highest salary?

55 Answers   Cognizant, Nucsoft, Oracle, TCS, Wondersoft,

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How to define a cusotmer as a supplier in ORACLE R12

0 Answers   Intelligroup,

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In which language oracle has been developed?

0 Answers  

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select * from emp what happened internally when we write this query in the sql prompt?

5 Answers  

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3. Display all the client numbers in the ORDER table. Remove duplicates.

1 Answers   Wipro,

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Oracle

0 Answers   ABC, Genpact, HUI, Oracle,

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what is mean by prmary key and foreign key and how can we diffrentiate that? Please answer me. Advance thanks.

9 Answers   BPO, Excel, Wipro,

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Differentiate between post-database commit and post-form commit?

0 Answers  

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State any two functions of oracle?

0 Answers   Aricent,

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How to Remove the 3rd highest salary person record from table?

9 Answers   HCL, IBM,

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