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Oracle SQL and PL/SQL Handbook: A Guide for Data Administrators, Developers, and Business Analysts
book

Oracle SQL and PL/SQL Handbook: A Guide for Data Administrators, Developers, and Business Analysts

by John Adolph Palinski
August 2002
Intermediate to advanced content levelIntermediate to advanced
528 pages
10h 12m
English
Addison-Wesley Professional
Content preview from Oracle SQL and PL/SQL Handbook: A Guide for Data Administrators, Developers, and Business Analysts

Practice

1: utility for which I work uses circuit breakers to interrupt the energy that flows through a circuit. They are large pieces of equipment that reside in a substation. As practice, you are to design a circuit breaker database. Within this database, a manufacturer can have many different models. My company can have many circuit breakers for a particular model. A circuit breaker can be tested multiple times. In addition, it is common to document text about the circuit breaker. The following are the attributes that have been identified from the data flow diagram:
Manufacturer Manufacturer_name Model
Gallons_of_oil Weight Serial_number
Location Amps Kva_rating
Text_line_number Text Test_date
Test_result  

Create an entity relationship ...

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Publisher Resources

ISBN: 0201752948Purchase book