Add the MAINTENANCE entity to the diagram. Maintenance repairs are performed on computers, and the relationship between
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Add the MAINTENANCE entity to the diagram. Maintenance repairs are performed on computers, and the relationship between MAINTENANCE and COMPUTER(s) is such that one COMPUTER may have many MAINTENANCE records. Use the repository to define MAINTENANCE ORDER NUMBER. Set this attribute as the primary key for MAINTENANCE entity and generate the foreign key.
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Related Book For
Systems Analysis and Design
ISBN: 978-0133023442
9th edition
Authors: Kenneth E. Kendall, Julie E. Kendall
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