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Well, there are actually FIVE (or even SIX, according to some..) but the first three are the most commonly cited parts of normalization.
1) Identification of data and grouping in to logical units (e.g. fields and tables)
2) Establishing key values for each table
3) Analyzing relationships and eliminating non-key dependencies
A database that is in "Third Normal Form" is usually pretty correct, logically speaking.

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Q: What are the three levels of database design?
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