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MySQL Tutorial 2 – How Data is Organized and Normalization HELP ME! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. Original source 
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Normalization – 1NF, 2NF, 3NF and 4NF Database Normal Forms. Original source