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. True False True False 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
Managing Multiuser Databases Locks placed by command are implicit locks. True False True False 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 A durable transaction is one in which all committed changes are permanent. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following locks the item from access of any type? Implicit lock Explicit lock Exclusive lock Shared lock Implicit lock Explicit lock Exclusive lock Shared lock ANSWER DOWNLOAD EXAMIANS APP
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