Which combinations of attributes have to be unique for each individual SECTION entity in the UNIVERSITY database
Fantastic news! We've Found the answer you've been seeking!
Question:
Which combinations of attributes have to be unique for each individual SECTION entity in the UNIVERSITY database shown in Figure 3.20 to enforce each of the following miniworld constraints:
a. During a particular semester and year, only one section can use a particular classroom at a particular DaysTime value.
b. During a particular semester and year, an instructor can teach only one section at a particular DaysTime value.
c. During a particular semester and year, the section numbers for sections offered for the same course must all be different.
Related Book For
Fundamentals of biochemistry Life at the Molecular Level
ISBN: 978-0470547847
4th edition
Authors: Donald Voet, Judith G. Voet, Charlotte W. Pratt
Posted Date: