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Lecture 2 PowerPoint
Lecture 2 PowerPoint

... Now SQL, the language, has been around since the 1970s, and that's one of the few languages I was writing 20 years ago that I'm still writing now. A lot of other programming languages have come and gone, become fashionable and unfashionable, but SQL has stuck around, and I expect it to stay for a lo ...
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Database model



A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized, and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.
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