Managing Multiuser Databases Which of the following occurs when one transaction reads a changed record that has not been committed to the database? Nonrepeatable read Dirty read Consistent read Phantom read Nonrepeatable read Dirty read Consistent read Phantom read ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases When one transaction reads a changed record that has not been committed to the database a filthy read occurs. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases An ACID transaction is one that is atomic, consistent isolated, and durable. True False True False ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases A durable transaction is one in which all committed changes are permanent. False True False True 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 Dirty read, nonrepeatable, and phantom reads are not possible in this instance. Read committed Repeatable read Serializable Read uncommitted Read committed Repeatable read Serializable Read uncommitted ANSWER DOWNLOAD EXAMIANS APP