Database Systems Concepts 7th Edition Solutions is a highly recommended book for people interested in databases. The free version of this book can be downloaded from HERE.
Database Systems Concepts 7th Edition Solutions – Chapter 3
Practice Excercise
3.1 Write the following queries in SQL, using the university schema. (We suggest you actually run these queries on a database, using the sample data that we provide on the web site of the book, db-book.com. Instructions for setting up a database, and loading sample data, are provided on the above web site.)
a. Find the titles of courses in the Comp. Sci. department that have 3 credits.
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