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Database Systems: Concepts, Design and Applications by S. K. Singh

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State True/False

1.Dr. Edgar F. Codd proposed a set of rules that were intended to define the important characteristics and capabilities of any relational system.
2.Codd’s Logical Data Independence rule states that user operations and application programs should be independent of any changes in the logical structure of base tables provided they involve no loss information.
3.The entire field of RDBMS has its origin in Dr. E.F. Codd’s paper.
4.ISBL has no aggregate operators for example, average, mean and so on.
5.ISBL has no facilities for insertion, deletion or modification of tuples.
6.QUEL is a tuple relational calculus language of a relational database system INGRESS (Interactive Graphics and Retrieval System).
7.QUEL supports relational ...

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