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C20.0046: Database Management Systems Lecture #1 - page 19 / 40

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M.P. Johnson, DBMS, Stern/NYU, Sp2004

19

Isolation

Contrast with a file in two Notepads

Strategy: ignore multiple users

whichever saves last wins

first save is overwritten

Contrast with a file in two Words

Strategy: blunt isolation

One can edit

To the other it’s read-only

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