Can a database table exist without a primary key?

0 Answers  

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How to do performance tunning a database in DB2 V8.2 UDB in linux

0 Answers  

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Explain file manager?

0 Answers  

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What are the differences between Database Trigger and Integrity constraints ?

2 Answers   Synergy,

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hOW TO LOAD SOURCE INTO TARGET 2 TIMES?(INFORMATICA)

2 Answers  

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write a query for the fifth highest salary?

17 Answers   IBM, Matlabs, Ramco,

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I have single column in a file. Input 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 my output is file 1 have 1,2,3,10,11,12 file 2 have 4,5,6,13,14,15 and file 3 have 7,8,9 how is it possible in datastage

0 Answers   IBM,

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how to reject duplicates in source sequential file and if by filter option then where is that filter option in the sequential file.

0 Answers  

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what are different types of datasets? what are different characteristics or properties of those datasets? what are the advantages and disadvantages of each dataset on each other?

1 Answers   OVGU,

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What is database collection?

0 Answers  

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What is a super key?

0 Answers   3i Infotech,

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what is the difference between tuple calculus and domain calculus ?

2 Answers   Infosys,

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