Managing Multiuser Databases Locks placed by command are called ________ . shared locks explicit locks exclusive locks implicit locks shared locks explicit locks exclusive locks implicit locks 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. durable. consistent. atomic. isolated. durable. consistent. atomic. ANSWER DOWNLOAD EXAMIANS APP
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 In this instance, dirty reads are disallowed, while nonrepeatable reads and phantom reads are allowed. Read uncommitted Repeatable read Serializable Read committed Read uncommitted Repeatable read Serializable Read committed ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following locks the item from access of any type? Implicit lock Explicit lock Shared lock Exclusive lock Implicit lock Explicit lock Shared lock Exclusive lock 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. True False True False ANSWER DOWNLOAD EXAMIANS APP