WWW BARO WW A transaction has the "isolation property if (a) brings the system from one valid state to another valid state (b) all the operations that compose it are completed or are undone as if they had never been performed (c) makes permanent changes made immediately after the transaction ends (d) the effects of its update operations are not visible to other transactions running at the same time until it has finished with commit WARA www mo

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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BERWAWA
BANKA
CHILDR
A transaction has the isolation property if
(a) brings the system from one valid state to another valid state
(b) all the operations that compose it are completed or are undone as if they had never been performed
(c) makes permanent changes made immediately after the transaction ends
(d) the effects of its update operations are not visible to other transactions running at the same time until it has finished with commit
132
Xekw
mo
sole
Transcribed Image Text:BERWAWA BANKA CHILDR A transaction has the isolation property if (a) brings the system from one valid state to another valid state (b) all the operations that compose it are completed or are undone as if they had never been performed (c) makes permanent changes made immediately after the transaction ends (d) the effects of its update operations are not visible to other transactions running at the same time until it has finished with commit 132 Xekw mo sole
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