Unformatted text preview: effects are erased. b. _____ After a failure, a committed transaction is rolled back and all of its effects are erased. c. _____ Two transactions update the same tuple and then commit, and the effects of both transactions are visible afterwards. d. _____ An unserializable schedule is executed. e. _____ A transaction reads the same tuple twice without writing it in between and sees two different values....
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- Spring '08
- ACID transaction, UserProfiles, uncommitted transaction