Managing Multiuser Databases Which of the following allows dirty reads, nonrepeatable reads and phantom reads to occur? Repeatable read Read committed Serializable Read uncommitted Repeatable read Read committed Serializable Read uncommitted ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following locks the item from change but not from read? Exclusive lock Implicit lock Explicit lock Shared lock Exclusive lock Implicit lock Explicit lock Shared lock ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A cursor type in which the application sees the data as they were at the time the cursor was opened is called: dynamic static forward only keyset dynamic static forward only keyset ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases In optimistic locking, the assumption is made that conflict will occur. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases The size of the lock is referred to as the lock granularity. True False True False 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? Consistent read Dirty read Phantom read Nonrepeatable read Consistent read Dirty read Phantom read Nonrepeatable read ANSWER DOWNLOAD EXAMIANS APP
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