Managing Multiuser Databases Which of the following locks the item from change but not from read? Implicit lock Exclusive lock Explicit lock Shared lock Implicit lock Exclusive lock Explicit lock Shared lock ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases The transaction log contains a copy of every database record (or page) after it has changed. These records are called before images. False True False True 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 A cursor type in which the application can only move forward through the recordset is called: keyset. forward only. dynamic. static. keyset. forward only. dynamic. static. 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? Forward only Dynamic Static Keyset Forward only Dynamic Static Keyset ANSWER DOWNLOAD EXAMIANS APP
Managing Multiuser Databases The size of a lock is called: lock granularity exclusive lock implicit lock shared lock lock granularity exclusive lock implicit lock shared lock ANSWER DOWNLOAD EXAMIANS APP
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