Managing Multiuser Databases A cursor type in which the application sees the data as they were at the time the cursor was opened is called: forward only dynamic static keyset forward only dynamic static keyset ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A transaction is a series of actions to be taken on the database so that either all of them are performed successfully or none of them are performed at all. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases The advantage of optimistic locking is that: the lock never needs to be obtained. the lock is obtained only after the transaction has processed. transactions that are best suited are those with a lot of activity. the lock is obtained before the transaction has processed. the lock never needs to be obtained. the lock is obtained only after the transaction has processed. transactions that are best suited are those with a lot of activity. the lock is obtained before the transaction has processed. ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following occurs when a transaction rereads data it has previously read and finds modification or deletions caused by a committed transaction? Nonrepeatable read Consistent read Dirty read Phantom read Nonrepeatable read Consistent read Dirty read Phantom read ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A transaction for which all committed changes are permanent is called: atomic. durable. isolated. consistent. atomic. durable. isolated. consistent. ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A cursor type in which the application can only move forward through the recordset is called: dynamic. forward only. static. keyset. dynamic. forward only. static. keyset. ANSWER DOWNLOAD EXAMIANS APP