Managing Multiuser Databases A transaction for which all committed changes are permanent is called: consistent. atomic. durable. isolated. consistent. atomic. durable. isolated. ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Locks placed by command are called ________ . shared locks implicit locks exclusive locks explicit locks shared locks implicit locks exclusive locks explicit locks 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 Phantom read Dirty read Nonrepeatable read Consistent read Phantom read Dirty read ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Locks placed by the DBMS are called ________ . explicit locks implicit locks exclusive locks shared locks explicit locks implicit locks exclusive locks shared locks ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases The size of a lock is referred to as lock sizing. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A transaction in which either all of the database actions occur or none of them do is called: isolated. durable. consistent. atomic. isolated. durable. consistent. atomic. ANSWER DOWNLOAD EXAMIANS APP