Managing Multiuser Databases A transaction in which either all of the database actions occur or none of them do is called: isolated. durable. consistent. atomic. isolated. durable. consistent. atomic. ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A durable transaction is one in which all committed changes are permanent. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Locks placed by command are called ________ . implicit locks explicit locks shared locks exclusive locks implicit locks explicit locks shared locks exclusive locks ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases An exclusive lock locks the item from change but not from read. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following occurs when one transaction reads a changed record that has not been committed to the database? Consistent read Nonrepeatable read Phantom read Dirty read Consistent read Nonrepeatable read Phantom read Dirty read 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
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