October 2002
Beginner
864 pages
18h 41m
English
Content preview from Sams Teach Yourself SQL in 21 Days, Fourth Edition
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Workshop
The Workshop provides quiz questions to help solidify your understanding of the material covered, as well as exercises to provide you with experience in using what you have learned. Try to answer the quiz and exercise questions before checking the answers in Appendix A, “Answers.”
Quiz
| 1: | When nesting transactions, does issuing a ROLLBACK TRANSACTION command cancel the current transaction and roll back the batch of statements into the upper-level transaction? Why or why not? |
| 2: | Can savepoints be used to “save off” portions of a transaction? Why or why not? |
| 3: | Can a COMMIT command be used by itself or must it be embedded? |
| 4: | If you issue the COMMIT command and then discover a mistake, can you still use the ROLLBACK command? |
| 5: | Will using a savepoint ... |
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.