system analysis and Design, Database Management System

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difference between MIS and DSS

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What is equi join? Equi Join - It generates all the combinations of tuples from two relations which satisfy a join condition along with only equality comparison (=).

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A basic model of Database Access Control Models of database access control have grown out of previous work on protection in operating systems. Let us talk about one simple mode

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Consider an information system designed for an online company which provides IT products and services These include desktops, laptops, networking products, IT books, parts, and

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Concurrency issues Data integrity: Threads accessing same object need to be synchronized, such as: banking account. Deadlock: One or more threads in system are perman

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