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 In this instance, dirty reads are disallowed, while nonrepeatable reads and phantom reads are allowed. Repeatable read Read committed Serializable Read uncommitted Repeatable read Read committed Serializable Read uncommitted 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 When one transaction reads a changed record that has not been committed to the database a filthy read occurs. True False True False 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: durable. atomic. consistent. isolated. durable. atomic. consistent. isolated. ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases Which of the following locks the item from change but not from read? Exclusive lock Implicit lock Shared lock Explicit lock Exclusive lock Implicit lock Shared lock Explicit lock ANSWER DOWNLOAD EXAMIANS APP
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