Managing Multiuser Databases A transaction is a series of actions to be taken on the database so that either all of them are performed successfully or none of them are performed at all. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A phantom read occurs when a transaction rereads data it has previously read and finds modifications or deletions caused by a committed transaction. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases When two transactions are being processed against the database at the same time they are termed concurrent transactions. False True False True ANSWER DOWNLOAD EXAMIANS APP
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 A cursor type in which the application sees the data as they were at the time the cursor was opened is called: keyset forward only static dynamic keyset forward only static dynamic ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A transaction in which either all of the database actions occur or none of them do is called: isolated. atomic. consistent. durable. isolated. atomic. consistent. durable. ANSWER DOWNLOAD EXAMIANS APP