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The database system must take special actions to ensure that transactions operate properly without interference from concurrently executing database statements. This property is referred to as

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The database system must take special actions to ensure that transactions operate properly without interference from concurrently executing database statements. This property is referred to as

(a) Atomicity

(b) Durability

(c) Isolation

(d) All of the mentioned

This question was addressed to me in an interview for internship.

Query is from Transaction Concept topic in chapter Transactions of Database Management

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Correct option is (c) Isolation

Best explanation: Even though multiple transactions may execute concurrently, the system guarantees that, for every pair of transactions Ti and Tj, it appears to Ti that either Tj finished execution before Ti started or Tj started execution after Ti finished.

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