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Normalization Rules, Essay Example

Pages: 1

Words: 117

Essay

1st Normal Form Rules

  1. Remove repetitive columns.
  2. Generate unique tables for all sets of interrelated information and set a primary key for each.

1st Normal Form Rules

2nd Normal Form Rules

  1. Put data that applies to many rows in unique tables.
  2. Define associations between them using foreign keys.

2nd Normal Form Rules

3rd Normal Form Rules

  1. Meet the necessities of first and second normal form.
  2. Delete columns that are not reliant upon primary keys.

3rd Normal Form Rules

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