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Your first task is to design a database for the scenario detailed on the following pages. Your final database design should comprise of approximately 10 entities.

19 / 01 / 2019 Database

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Your first task is to design a database for the scenario detailed on the following pages.  Your final database design should comprise of approximately 10 entities.        
State any assumptions (2 marks) you have made regarding your database design at the beginning of the database design document.  Do not make any assumptions that significantly change the structure of the scenario, as this may make Task 2 of the assignment difficult.  Only make assumptions that influence your database design.  If you are unsure about an assumption you wish to make, ask your tutor.  
Once you feel you have identified the entities, attributes and relationships of the scenario in sufficient depth, you are required to create a logical ER diagram (4 marks) and a corresponding physical ER diagram (5 marks) to depict your database.  Adhere to the distinctions between logical and physical ER diagrams covered in Lecture 3.  It is recommended that you draw your diagrams on paper first, in order to find a layout that is clear and can be created in an electronic format.  
Lastly, create a data dictionary (7 marks), with an entry for each entity in your database.  The entries should list the name of the entity, a description of its purpose, a list of attributes (columns), important information about the attributes (e.g. data type, null/not null, identity, default values…), and details of any constraints applied to attributes.  List the entries in your data dictionary in an appropriate table creation order that can be used to create the database.  Include any additional information, if any, that may be needed to implement the database.  Remember, a data dictionary should contain all the information needed to implement a database.  Use the data dictionary in Lecture 4 and the data dictionary of the “company” example database (Module 5) as examples.  Some marks are also awarded for presentation and notation (2 marks).  
Your complete database design should consist of a list of assumptions, logical and physical ER diagrams and a data dictionary.  This should be in the form of a single PDF document.  Make sure that your assignment includes the unit code, assignment number/name, year and semester and your name and student number on the first page. 



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