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A primary key is a field or set of fields in a database table that uniquely identifies each record in the table. A primary key
A primary key is a field or set of fields in a database table that uniquely identifies each record in the table.
A primary key is a field used to establish relationships between tables in a database.
A foreign key is used to define relationships within a single table.
A foreign key is a field that uniquely identifies each record in a table
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Database Systems Introduction To Databases And Data Warehouses
Authors: Nenad Jukic, Susan Vrbsky, Svetlozar Nestorov
1st Edition
1943153191, 978-1943153190
