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http://img407.imageshack.us/img407/8850/79891880.jpg

What is this table? What does it do? I'm trying to work out what it is in terms of database management but have no idea.

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Where did you find it? It probably came with accompanying text. (Probably some discussion about transaction isolation levels.) – Mat Aug 5 '12 at 15:21
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Agree with Mat, looks like a teaching exercise on transactions. – Mark Storey-Smith Aug 5 '12 at 15:32
As it stands (since the link appears to be no longer working) I'm closing this question as it is unanswerable. – Jack Douglas♦ Aug 6 '12 at 9:30

closed as not a real question by Jack Douglas♦ Aug 6 '12 at 9:30

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, see the FAQ.

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