More than one database can be mounted on a server and in turn mounted by different instances concurrently.TrueFalse

Which statement best describes the relationship between an Oracle instance and a database?A) Multiple databases can be mounted by a single instance at the same time.B) Multiple instances can mount and open a single database simultaneously.C) A single instance can mount multiple databases simultaneously.D) Each database is always associated with only one instance.

An RDBMS can typically manage more than one database. True False

---------------------- Database connect multiple user records at the same time in parallel

Advantages of parallel database include the following exceptA. high availabilityB. greater flexibilityC. high performanceD. huge resources

How does a DBMS handle concurrent access to data? What issues can arise and how are they addressed?