Database Analysis

Database Analysis

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  DATABASE ANALYSIS Higher ComputingScience
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  END USER REQUIREMENTS •The end users are the people who are going to be using the database. • The end user requirements are the tasks they expect to be able to do using the database.
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  END USER REQUIREMENTS searchappointments for any doctor search patient medical history search patient personal details search all patients using certain medication search all patients in a given age range calculate the average patient rating by for each doctor sort by patient name sort by patient house number and postcode sort number of visits by a each patient in the past 12 months Some possible end user requirements for a doctor’s surgery database are shown below.
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  FUNCTIONAL REQUIREMENTS • Theprocesses and activities that the system has to perform • The information that the system has to contain to be able to carry out its functions
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  FUNCTIONAL REQUIREMENTS Some ofthe tables and fields for a doctor’s surgery database are shown below. Primary and foreign keys are not shown as part of the functional requirements. Doctor • Forename • Surname • DOB • Telephone • Address • Salary Patient • Forename • Surname • DOB • Address • Telephone • Medication • Last visit • Next of kin Appointment • Date • Time • Patient rating
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  FUNCTIONAL REQUIREMENTS Some ofthe processes and activities for a doctor’s surgery database are shown below. Simple and complex queries to search the database An average function to work out the average rating for each doctor A simple sort to query the results A count function to work out the number of visits for a patient in the past 12 months