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10 cards from this deck
Data organized in linked tables with relationships
One record links to many; each links to only one
Use link table to break into two one-to-many relationships
Object/thing to store info about; becomes a table
Info about an entity; becomes a field/column in table
Attribute that uniquely identifies each record in a table
Attribute in one table that is primary key from another
No repeating groups; all data is atomic
In 1NF + non-key attributes depend on whole primary key
In 2NF + no non-key depends on other non-key attributes
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