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5 Cards in this Set

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  • Back
One to many relationship
single ecord in the "one" table is related to many records in the "many" table
Primary Key field
field that contains unique info for each record
two roles of Primary Key
1. identifies each record in that table
2. used on the "one" side on a one-to-many relationship between two tables.
Foreign Key field
the common field is called the foreign key field on the
"many" side of the relationship one-to-many
Key symbol
indicatesf that what field is being used as a primary key field