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 lost update problem is when User A reads data that have been processed by a portion of a transaction from User B. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A transaction for which all committed changes are permanent is called: isolated. consistent. durable. atomic. isolated. consistent. durable. atomic. 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. dynamic. keyset. static. forward only. dynamic. keyset. static. ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases The size of a lock is called: implicit lock lock granularity exclusive lock shared lock implicit lock lock granularity exclusive lock shared lock ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following occurs when a transaction rereads data and finds new rows that were inserted by a command transaction since the prior read? Nonrepeatable read Consistent read Dirty read Phantom read Nonrepeatable read Consistent read Dirty read Phantom read ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS