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 The size of a lock is called: shared lock exclusive lock lock granularity implicit lock shared lock exclusive lock lock granularity implicit lock ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Locks placed by command are implicit locks. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Locks placed by the DBMS 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 An exclusive lock locks the item from change but not from read. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases The transaction log contains a copy of every database record (or page) after it has changed. These records are called before images. False True False True ANSWER DOWNLOAD EXAMIANS APP