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