what is primary key,unique key, foreign key? can u teach me in simple language?

44 Answers   Banking, CMC, CTS, HCL, Infosys, Keggfarms, SkyEss, Sunrise, TCS, Web Synergies, Wipro,

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Explain database partitioning.

0 Answers  

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How to do Data integrity testing? Who does this testing (Developer or tester)?

0 Answers  

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What is odm database?

0 Answers  

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How many indexes can be created on a table?

0 Answers   Abacus,

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What is ole db source in ssis?

0 Answers  

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Explain partial key?

0 Answers  

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i have windows-xp processor with P4 system. whenever I tried to download foxpro for windows 2.6 on windows XP, my operating system failed to install foxpro for windows 2.6.please. how could i download , install & run foxpro for windows 2.6 easily on windows XP ?

0 Answers  

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Explain various types of locks in a transaction? Which is better and why?

0 Answers   Agilent,

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WHAT IS NEED BY METION DATFMT AND TIMFMT IN H-SEPICITION IN RPGLE?

0 Answers  

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What is a super key?

0 Answers   3i Infotech,

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what is the difference between relational calculus and relational algebra ?

6 Answers   TCS,

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