Managing Multiuser Databases Database administration refers to a function that applies to the entire organization. True False True False 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 Locks placed by command are called ________ . explicit locks shared locks implicit locks exclusive locks explicit locks shared locks implicit locks exclusive locks ANSWER DOWNLOAD EXAMIANS APP
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. 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? Read committed Serializable Repeatable read Read uncommitted Read committed Serializable Repeatable read Read uncommitted ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A transaction for which all committed changes are permanent is called: consistent. isolated. atomic. durable. consistent. isolated. atomic. durable. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS