April 2007
Intermediate to advanced
1032 pages
19h 28m
English
book
SQL for MySQL Developers: A Comprehensive Tutorial and Reference
by Rick F. van der Lans, Diane Cools
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Chapter 37. Transactions and Multiuser Usage
37.1 Introduction
So far in this book, we have assumed that you are the only user of the database. If you do the examples and exercises at home, that assumption is probably correct. But if you work with MySQL in your company, for example, the odds are good that you share the database with many other users. We call this multiuser usage as opposed to single-user usage. In a multiuser environment, you should not be aware that other users are accessing the database concurrently because MySQL hides this from you as much as possible.
The following question might arise: What happens if I access a row that is already in use by someone else? This chapter answers that question. We start with a concept that ...
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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.