1.

THE____________REQUIRES_THAT_EACH_TRANSACTION_TI_EXECUTES_IN_TWO_OR_THREE_DIFFERENT_PHASES_IN_ITS_LIFETIME,_DEPENDING_ON_WHETHER_IT_IS_A_READ-ONLY_OR_AN_UPDATE_TRANSACTION.?$

A. Validation protocol
B. Validation-based protocol
C. Timestamp protocol
D. Timestamp-ordering protocol
Answer» B. Validation-based protocol


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