what is the difference between relational calculus and relational algebra ?

6 Answers   TCS,

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How many types of locks are present in a database?

0 Answers   Abacus,

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Is hive a database?

0 Answers  

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What is ole db used for?

0 Answers  

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query to Compare data of two tables between two different Databases(Oracle and SQL Server) Eg., Source Database: Oracle Table: Employee Target Database : SQL Server Table : emp

0 Answers   Verizon,

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Write a query to retrieve for many to many relationships?

0 Answers   CGI,

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Explain database partitioning. What is its importance?

0 Answers  

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What is ole db provider for sql server?

0 Answers  

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What is the importance of database partitioning?

0 Answers  

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can we delete autodiff back up that we have set through sql server agent.

0 Answers   Indian Web Technology,

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After normalization, what are the conditions which have to keep in mind to de-normalize it?

0 Answers   C DAC, CDAC,

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

0 Answers   Agilent,

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