In this chapter you learned about built-in exceptions. Here are some projects that will help you test the depth of your understanding.
1)
Create the following script : Check to see whether there is a record in the STUDENT table for a given student ID. If there is no record for the given student ID, insert a record into the STUDENT table for the given student ID.
2)
Create the following script : For a given instructor ID, check to see whether it is assigned to a valid instructor. Then check the number of sections that are taught by this instructor and display this information on the screen.
The projects in this section are meant to have you utilize all of the skills that you have acquired throughout this chapter. The answers to these projects can be found in Appendix D and at the companion Web site to this book, located at: http://authors.phptr.com/rosenzweig3e. Visit the Web site periodically to share and discuss your answers.
![Oracle PL[s]SQL by Example](/icons/blank_book.jpg "Oracle PL[s]SQL by Example"){kind=icon}