Managing Multiuser Databases In optimistic locking, the assumption is made that conflict will occur. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following occurs when a transaction rereads data and finds new rows that were inserted by a command transaction since the prior read? Phantom read Dirty read Consistent read Nonrepeatable read Phantom read Dirty read Consistent read Nonrepeatable read ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases An ACID transaction is one that is atomic, consistent isolated, and durable. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases The size of a lock is referred to as lock sizing. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Locks placed by command are implicit locks. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following allows dirty reads, nonrepeatable reads and phantom reads to occur? Serializable Read uncommitted Repeatable read Read committed Serializable Read uncommitted Repeatable read Read committed ANSWER DOWNLOAD EXAMIANS APP
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