Question 1 (ULO1) Create your own brief description of the following file organisation

Question 1 (ULO1) Create your own brief description of the following file organisations. You must use several sources for each file organisation to create your description. a) Sequential access b) Random access c) Index sequential access  
Question 2 (ULO1)  Describe in detail 3 techniques to store and retrieve data using an SQL database. Some techniques are based on SQL statements, and others based on setting the primary key value.   
Question 3 (ULO2) Briefly describe the following processes related to the Entity-Relationship data model: a) Gathering business rules b) Normalisation 
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