Managing Multiuser Databases A transaction in which either all of the database actions occur or none of them do is called: consistent. atomic. durable. isolated. consistent. atomic. durable. isolated. 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 Phantom read Dirty read Nonrepeatable read Consistent read Phantom read Dirty read 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 the DBMS are explicit locks. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A phantom read occurs when a transaction rereads data it has previously read and finds modifications or deletions caused by a committed transaction. True False True False ANSWER DOWNLOAD EXAMIANS APP
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: dynamic forward only static keyset dynamic forward only static keyset ANSWER DOWNLOAD EXAMIANS APP