Managing Multiuser Databases A point of synchronization between the database and the transaction log is generally referred to as a stop point. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases The size of the lock is referred to as the lock granularity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Locks placed by command are called ________ . explicit locks exclusive locks implicit locks shared locks explicit locks exclusive locks implicit locks shared locks 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases An exclusive lock locks the item from change but not from read. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following occurs when a transaction rereads data it has previously read and finds modification or deletions caused by a committed transaction? Nonrepeatable read Phantom read Consistent read Dirty read Nonrepeatable read Phantom read Consistent read Dirty read ANSWER DOWNLOAD EXAMIANS APP