natural join, Database Management System

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what is natural join?

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What is candidate key? Candidate Key - A candidate key of an entity set is a minimal superkey, which uniquely identifies each row in the relation.

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Given the following set of functional dependencies {cf?bg, g?d, cdg?f, b?de, d?c} defined on R(b,c,d,e,f,g) a.Find a non-redundant cover. b.Find a canonical cover.

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What is a database? Database - Basically in simple terms A database is a collection of inter related data and/or information stored so which it is available to several users

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Help, #questiononsider the following relation: CAR_SALE =(CAR_ID,oPTION_TYP...

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A Data Model in software engineering is an abstract model that organizes and documents the business data for interaction between team members and is used as a plan for creating

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