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Write sql queries to answer the following questions:
a. which students are enrolled in database and networking? (hint: use sectionno for each class, so that you can determine the answer from the registration table by itself.
b. which instructors can teach either syst analysis or syst designwrite sql queries to answer the following question
c. which courses were taught in the first semester of 2008 but not in the second semester of 2008.

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Write sql queries to answer the following questions:
a. which students are enrolled in databa...
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