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Fundamentals of Database Systems

Fundamentals of Database Systems 7th edition solutions

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Fundamentals of Database Systems 7th edition Solutions Manual

(Electrical Engineering)

Edition: 7th edition

Author: Crazy for study

ISBN: 9780133970777

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For database systems courses in Computer Science . This book introduces the fundamental concepts necessary for designing, using, and implementing database systems and database applications. Our presentation stresses the fundamentals of database modeling and design, the languages and models provided by the database management systems, and database system implementation techniques. The book is meant to be used as a textbook for a one- or two-semester course in database systems at the junior, senior, or graduate level, and as a reference book. The goal is to provide an in-depth and up-to-date presentation of the most important aspects of database systems and applications, and related technologies. It is assumed that readers are familiar with elementary programming and data-structuring concepts and that they have had some exposure to the basics of computer organization. Sample questions asked in the 7th edition of fundamentals of database systems: Describe the six clauses in the syntax of an SQL retrieval query. Show what type of constructs can be specified in each of the six clauses. Which of the six clauses are required and which are optional? Consider a deductive database with the following rules: ANCESTOR( X , Y ) :- FATHER( X , Y ) ANCESTOR( X , Y ) :- FATHER( X , Z ), ANCESTOR( Z , Y ) Notice that FATHER( X , Y ) means that Y is the father of X . ANCESTOR( X , Y ) means that Y is the ancestor of X . Consider the following fact base: FATHER(Harry, Issac), FATHER(Issac, John), FATHER(John, Kurt) a. Construct a model-theoretic interpretation of the above rules using the given facts. b. Consider that a database contains the above relations FATHER( X , Y ), another relation BROTHER( X , Y ), and a third relation BIRTH( X , B ), where B is the birth date of person X . State a rule that computes the first cousins of the following variety: then - fathers must be brothers. c. Show a complete Datalog program with fact-based and rule-based literals that computes the following relation: list of pairs of cousins, where the first person is born after 1960 and the second after 1970. You may use greater than as a built-in predicate. ( Note : Sample facts for brother, birth, and person must also be shown.) Discuss what is meant by each of the following terms: database authorization, access control, data encryption, privileged (system) account, database audit, audit trail . Consider a database system for a baseball organization such as the major leagues. The data requirements are summarized as follows: ? The personnel involved in the league include players, coaches, managers, and umpires. Each is identified by a unique personnel id. They are also described by their first and last names along with the date and place of birth. ? Players are further described by other attributes such as their batting orientation (left, right, or switch) and have a lifetime batting average (BA). ? Within the players group is a subset of players called pitchers. Pitchers have a lifetime ERA (earned run average) associated with them. ? Teams are uniquely identified by their names. Teams are also described by the city in which they are located and the division and league in which they play (such as Central division of the American League). ? Teams have one manager, a number of coaches, and a number of players. ? Games are played between two teams, with one designated as the home team and the other the visiting team on a particular date. The score (runs, hits, and errors) is recorded for each team. The team with the most runs is declared the winner of the game. ? With each finished game, a winning pitcher and a losing pitcher are recorded. In case there is a save awarded, the save pitcher is also recorded. ? With each finished game, the number of hits (singles, doubles, triples, and home runs) obtained by each player is also recorded. Design an enhanced entity-relationship diagram for the BASEBALL database and enter the design using a data modeling tool such as ERwin or Rational Rose.
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