Sams Teach Yourself Transact-SQL in 21 Days, Second Edition

Workshop

The Workshop provides quiz questions to help you solidify your understanding of the material covered and exercises to provide you with experience in using what you've learned. Try to answer the quiz and exercise questions before checking the answers in Appendix A, "Answers to Quizzes and Exercises," and make sure that you understand the answers before continuing to the next lesson.

Quiz

1:	What is wrong with the following triggers'error handler? If @@Error <> 0 Raiserror ('Trigger error: Rolling back', 16, 1) Rollback Transaction Return
2:	If inserted rows go into the INSERTED table and deleted rows go into the DELETED table, where do updated rows go?

Exercise

Create a trigger on the Order Detail table in the Northwind database so that ...