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AQA GCSE Product Design Questions

Bella Statham

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Database design Prep

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Note on Database design Prep, created by Srihari Kalwala on 24/06/2019.

Note by Srihari Kalwala, updated more than 1 year ago

	Created by Srihari Kalwala almost 6 years ago

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Page 1

https://www.lucidchart.com/pages/database-diagram/database-design CHAR - a specific length of text VARCHAR - text of variable lengths TEXT - large amounts of text INT - positive or negative whole number FLOAT, DOUBLE - can also store floating point numbers BLOB - binary dat

Page 2

Database Normalisation 1NF The first normal form (abbreviated as 1NF) specifies that each cell in the table can have only one value, never a list of values,

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