Managing Multiuser Databases The advantage of optimistic locking is that: the lock never needs to be obtained. the lock is obtained before the transaction has processed. the lock is obtained only after the transaction has processed. transactions that are best suited are those with a lot of activity. the lock never needs to be obtained. the lock is obtained before the transaction has processed. the lock is obtained only after the transaction has processed. transactions that are best suited are those with a lot of activity. 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases The size of the lock is referred to as the lock granularity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following locks the item from access of any type? Exclusive lock Implicit lock Shared lock Explicit lock Exclusive lock Implicit lock Shared lock Explicit lock ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A cursor type in which the application can only move forward through the recordset is called: forward only. keyset. static. dynamic. forward only. keyset. static. dynamic. 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
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