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[ 2 ] For a schedule to be serializable it must: ( a ) performs transactions serially ( b ) not allow two transactions any

[2] For a schedule to be serializable it must:
(a) performs transactions serially
(b) not allow two transactions any type of concurrent access to the same data items
(c) produce the same result as an actual serial execution
(d) lock the data items required by each transaction
(e) none of the above
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