Business rules for hairdressers

Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter10: Transaction Management And Concurrency Control
Section: Chapter Questions
Problem 6P
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Business rules for hairdressers: 1. All entities should have surrogate primary keys. 2. Each hairdresser can work at multiple different salons over time, and every salon employs many different hairdressers. 3. The job title of a hairdresser at a specific salon must be stored in the database. 4. The name and surname of each hairdresser must be stored in the database. 5. The name of each salon must be stored in the database. 6. Every hairdresser is certified to have several different skills, and each skill can be mastered by many different hairdressers. 7. The name of each skill must be stored in the database. 8. The date that a specific hairdresser was certified to have a specific skill must be stored in the database. 

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