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Design of the Data Model

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Design of the Data Model This is an ER diagram before any normalisation processes has been carried out. Above is a display of four of the entities of the AZ Cut n Stylez organisation, these are Appointment, Schedule, Client, and Provider. ...read more.


e.g. Provider ID in the Provider entity. Non Atomic Data: Data that has not been broken up into its smallest possible parts to create new fields. This type of data is not specific and can lead to confusion. ...read more.


And if possible middle name. Repetition of Data: Data in which can force the individual using the system to create another field and can even make unlimited fields e.g. Option A, Option B etc.... This can cause loss of time and problems such as define a specific search criteria. This can be resolved by giving these fields such as the option fields its own entity. ...read more.

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