What is the primary key in a relational database used for?To establish relationships between tablesTo ensure data is stored in binary formatTo uniquely identify records in a tableTo create backup copies of the database
Question
What is the primary key in a relational database used for?To establish relationships between tablesTo ensure data is stored in binary formatTo uniquely identify records in a tableTo create backup copies of the database
Solution
The primary key in a relational database is used to uniquely identify records in a table.
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