VCE Applied Computing Data Analytics Practice Questions - Victorian Certificate Of Education Applied Computing Data Analytics Units 3 And 4 Exam

In a relational database, what is the primary role of a Primary Key?

To uniquely identify each record within a database table To establish a connection to a table in an external database To enforce security permissions for user read/write access To calculate summary totals for numeric columns in queries

Correct Answer:

To uniquely identify each record within a database table

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