quartz/content/notes/i201-practice-2.md

title	aliases	tags
i201-practice-2

Section A

1

a) a member of staff can book and appointment. when this occurs the staff member can optionally add a new customer b ) a member of staff can book and appointment. when this occurs the staff member must also add a new customer b ) a member of staff can book and appointment. when this occurs the staff member must add a new customer before the appointment is created

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a) this could cause an update anomly. this is because there is reduncancy as same product is stored in the database twice b) the database should be normalised to remve the redundancy. it could be separated into three entities: store, product, and an associative entity

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