Managing Multiuser Databases The size of a lock is called: exclusive lock shared lock lock granularity implicit lock exclusive lock shared lock lock granularity implicit lock 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
Managing Multiuser Databases The overall responsibility of the DBA is to facilitate the development and use of the database. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases The size of a lock is referred to as lock sizing. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following locks the item from change but not from read? Explicit lock Exclusive lock Implicit lock Shared lock Explicit lock Exclusive lock Implicit lock Shared lock ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following allows dirty reads, nonrepeatable reads and phantom reads to occur? Repeatable read Read uncommitted Serializable Read committed Repeatable read Read uncommitted Serializable Read committed ANSWER DOWNLOAD EXAMIANS APP