Analyze different approaches to database design

Diploma in Computing and Systems Development - Unit 33 Data Analysis and Design - level 4

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Task 1:

Question 1 Critically compare different data models and schemas.

Question 2- Compare database systems with file based systems and also discuss the benefits and limitations of different database technologies with reference to above scenario

Question 3- Analyze different approaches to database design.

Task 2:

Question 1 - Discuss the principles of normalization and steps followed to achieve normal forms

Question 2 - ER Diagram for English Premier League with all entity sets, attributes and relationships and cardinality constraints

Question 3 - Relational Data Model

Question 4 - Create tables using SQL (DDL) commands

Question 5 - Screenshots from SQL Server Management Studio (IDE)

Task 3:

Question 1 - Benefits of using manipulation and query tools in a relational database system

Question 2 - Populate tables with some data and answer queries

Question 3 - Critically evaluate the validity of the data extracted using the above queries and comment on the design process followed to ensure that meaningful data is extracted through the use of query tools.

Task 4:

Question 1 - Critically review and test the relational database system designed for the given scenario and thus provide a documentation supporting implementation and testing of the relational database system developed.

Question 2 - Create brief user documentation for the relational database system developed.

Question 3 - By giving a tabular V&V document, explain how verification and validation has been addressed.

Question 4 - Explain control mechanisms and show how these techniques have been used in developing your system.

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