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Lessons:16Length:1.5 hours
Crs 80340
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2.2 Codd's Twelve Commandments

Back in the 1980s, Edgar F. Codd wrote a list of thirteen criteria that a database must meet in order to be considered relational. While these rules aren’t hard and fast, they are good guidelines, and they’re a great way to start looking at the ideas of relational theory.