Managing Multiuser Databases A transaction for which all committed changes are permanent is called: consistent. isolated. atomic. durable. consistent. isolated. atomic. durable. ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases The size of a lock is called: lock granularity exclusive lock shared lock implicit lock lock granularity exclusive lock shared lock implicit lock ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases The advantage of optimistic locking is that: the lock is obtained only after the transaction has processed. the lock is obtained before the transaction has processed. the lock never needs to be obtained. transactions that are best suited are those with a lot of activity. the lock is obtained only after the transaction has processed. the lock is obtained before the transaction has processed. the lock never needs to be obtained. transactions that are best suited are those with a lot of activity. 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. static. keyset. dynamic. forward only. static. keyset. dynamic. ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases When two transactions are being processed against the database at the same time they are termed concurrent transactions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Locks placed by command are called ________ . implicit locks explicit locks exclusive locks shared locks implicit locks explicit locks exclusive locks shared locks ANSWER DOWNLOAD EXAMIANS APP
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