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Primary Key

November 21, 2013  |   Posted by :   |     |   Comments Off on Primary Key»


Definition: Within a database, the primary key is the element that is used to link records.

What This Means: The unique statewide student identifier has become the most famous primary key, used to link a student’s records across years, schools, and even districts. Databases create or use primary keys to make these links quickly and accurately for queries and analysis.


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