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Notes of Database Management System UNIT -2 RELATIONAL ALGEBRA A query language is a language in which a user requests information from the database. These languages are…

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“THE MARKETING STRATEGY OF FORD MOTOR” By SHISHIR PRATAP SINGH (REG No. 5141) OF VISHWA VISHWANI INSTITUTE OF SYSTEMS AND MANAGEMENT UNDER THE GUIDANCE OF Dr.C.ANURADHA…

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Chapter -7 SQL ± 99 : Schema Definition , Basic Constraints, and Queries Why a query language? Given some data, how should users and computer programs communicate with it?…

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