April 1999
Intermediate to advanced
584 pages
23h 17m
English
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Constraints
These views provide information about constraints and columns included in the constraints:
- DBA_CONS_COLUMNS
Shows which columns are affected by each constraint.
- DBA_CONSTRAINTS
Lists all constraints defined in the database.
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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.