Multiple Choice
Which of the following is not true of data repositories?
A) They are usually created after the database has been implemented and optimized for performance.
B) They may be virtual.
C) They may contain metadata about database applications.
D) They may contain metadata about users.
E) They may contain metadata about web pages.
Correct Answer:
Verified
Correct Answer:
Verified
Q11: According to ANSI SQL,the serializable isolation level
Q12: A lock placed automatically by the DBMS
Q13: Which of the following is true of
Q46: Requiring all application programs to lock resources
Q56: Repeatable Read isolation is the most restrictive
Q64: A series of actions to be taken
Q69: Nonrepeatable reads occur when a transaction rereads
Q70: Concurrency control measures are taken to ensure
Q89: Database administration tasks have to be performed
Q98: A checkpoint is a point of synchronization