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 Which of the following refers to a cursor type where changes of any type and from any source are visible? Dynamic Keyset Static Forward only Dynamic Keyset Static Forward only ANSWER DOWNLOAD EXAMIANS APP
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 Which of the following occurs when one transaction reads a changed record that has not been committed to the database? Consistent read Dirty read Nonrepeatable read Phantom read Consistent read Dirty read Nonrepeatable read Phantom read 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 Which of the following locks the item from change but not from read? Explicit lock Implicit lock Shared lock Exclusive lock Explicit lock Implicit lock Shared lock Exclusive lock ANSWER DOWNLOAD EXAMIANS APP