Chris Date is famous for his writings on relational theory. At IBM in the seventies, and afterwards, he was a friend and colleague of Edgar Codd, who invented the principles of the relational database. Chris took on the role of communicating and teaching Codd's relational theory, and reluctantly admits to a role in establishing SQL as the dominant relational language. Richard Morris interviews the well-known author and computer scientist
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This is a note on, the Turing Award laureate, Ted Codd's revolutionary paper A Relational Model of Data for Large Shared Data Banks. In this post, I will review the paper and add my comments with a perspective from modern distributed databases. Tight couplingHow users used to interact with databases