October 2002
Beginner
864 pages
18h 41m
English
Content preview from Sams Teach Yourself SQL in 21 Days, Fourth Edition
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SET TRANSACTION
SQL> SET TRANSACTION (READ ONLY | USE ROLLBACK SEGMENT);
The SET TRANSACTION command enables the user to specify when a transaction should begin. The READ ONLY option locks a set of records until the transaction ends to ensure that the data is not changed.
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I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.