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Database Fundamentals #31: Unique Constraints from the GUI

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In the last few Fundamentals posts you were introduced to a couple of ways to limit and control the data stored in the tables in your database. A primary key won’t allow a duplicate value. A foreign key won’t allow a value to be added that doesn’t already exist in the parent table and it […]

The post Database Fundamentals #31: Unique Constraints from the GUI appeared first on Grant Fritchey.

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