Managing Multiuser Databases A durable transaction is one in which all committed changes are permanent. 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following disallows both dirty reads and nonrepeatable reads, but allows phantom reads? Serializable Read committed Repeatable read Read uncommitted Serializable Read committed Repeatable read Read uncommitted ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Locks placed by command are called ________ . shared locks explicit locks implicit locks exclusive locks shared locks explicit locks implicit locks exclusive locks 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 Which of the following refers to a cursor type where changes of any type and from any source are visible? Dynamic Static Keyset Forward only Dynamic Static Keyset Forward only ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS