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Difference Between Candidate Keys and Primary Key(blog.sqlauthority.com)

submitted by pinaldavepinaldave(9662) 2 years, 7 months ago

Not long ago, I had an interesting and extended debate with one of my friends regarding which column should be primary key in a table. The debate instigated an in-depth discussion about candidate keys and primary keys. My present article revolves around the two types of keys. Let us first try to grasp the definition of the two keys.

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