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Data Modeling and SQL It is a capital mistake to theorize before one has data Sir Arthur Conan Doyle.

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Presentation on theme: "Data Modeling and SQL It is a capital mistake to theorize before one has data Sir Arthur Conan Doyle."— Presentation transcript:

1 Data Modeling and SQL It is a capital mistake to theorize before one has data Sir Arthur Conan Doyle

2 2 Data modeling and SQL Relational model is very popular Successful use of the relational model requires skills in Data modeling SQL

3 3 Organizational memory hierarchy

4 4 Key database design questions What collection of files should the database contain? How are these files related? What fields should each file contain?

5 5 Learning strategy Incremental, parallel development of Data modeling SQL

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