100+ Key dependencies PowerPoint (PPT) Presentations, Key dependencies PPTs

Key dependencies - PowerPoint PPT Presentation

Exam Preparation

Exam Preparation. Damian Gordon. The Purpose of Exams. The Purpose of Exams. Exams test: The amount you can write in a given time Whether you understand the exam question Whether you can cope with exam pressure Your ability to apply knowledge

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928 views • 74 slides

Database Design

Database Design. A2 Computing Comp3. Aims and Objectives. To understand the process of breaking down complex data structures using normalisation To understand the need for normalisation in database design To be able to normalise a set of data to produce a relational database design.

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325 views • 23 slides

Normalisation

Normalisation Purpose Normalization is a set of rules to aid in the design of relational databases Eliminate duplication of data Use key fields to link tables Normal forms 5 levels Only concerned with first three 1NF: Eliminate repeating groups 2NF: Eliminate redundant data

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441 views • 5 slides

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Key dependencies - PowerPoint PPT Presentation

Exam Preparation

Database Design

Normalisation