Answer / Ravi Bhushan Mishra

Relational Algebra is a formalism used to manipulate data in relational databases. It defines a set of operators (selection, projection, join, division, union, intersection, difference) that allow transforming relations (tables) according to specific conditions or operations. Relational algebra provides a mathematical foundation for SQL and other query languages.

Define dbms.

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What is blob database?

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How many columns are in a database table?

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How do you exit a database?

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how you will identify the mapping level bottleneck ? if there is a mapping level bottleneck then how will you try to improve the mapping

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how can we restore RMAN backup from SUN O/S to AIX 5.3? is it possible or not?

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Excellent job opening with one of our client in Hyderabad About Client : It is an American e-commerce company based in Seattle, Washington, a leading online retailer of products that inform, educate, entertain and inspire.

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If I use netlib, will I find many other users to network with?

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Mention a query to add email validation to your database

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