relational algebra, Database Management System

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what is union compatable?

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Characteristics, what are the main characteristics of database

what are the main characteristics of database

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Consider the following relational schema: PERSON (SS#, NAME, ADDRESS) CAR (REGISTRATION_NUMBER, YEAR, MODEL) ACCIDENT (DATE, DRIVER, CAR_REG_NO) OWNS (SS#, LICENSE) Constru

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need to get answer for questions 3&4 on this page in part 1

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