Managing Multiuser Databases Which of the following locks the item from access of any type? Implicit lock Shared lock Explicit lock Exclusive lock Implicit lock Shared lock Explicit lock Exclusive lock ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Locks placed by the DBMS are called ________ . exclusive locks implicit locks shared locks explicit locks exclusive locks implicit locks shared locks explicit locks ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases An ACID transaction is one that is atomic, consistent isolated, and durable. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following disallows both dirty reads and nonrepeatable reads, but allows phantom reads? Read committed Read uncommitted Serializable Repeatable read Read committed Read uncommitted Serializable Repeatable read 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 An exclusive lock locks the item from change but not from read. True False True False ANSWER DOWNLOAD EXAMIANS APP