Managing Multiuser Databases Which of the following refers to a cursor type where changes of any type and from any source are visible? Dynamic Keyset Static Forward only Dynamic Keyset Static Forward only ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Dirty read, nonrepeatable, and phantom reads are not possible in this instance. Read committed Repeatable read Read uncommitted Serializable Read committed Repeatable read Read uncommitted Serializable ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases The size of a lock is called: shared lock exclusive lock implicit lock lock granularity shared lock exclusive lock implicit lock lock granularity ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Resource locking is a process to prevent multiple applications from obtaining copies of the same record when the record is about to be changed. False True False True 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 The goal of database security is to ensure that only authorized users can perform authorized activities at authorized times. True False True False ANSWER DOWNLOAD EXAMIANS APP