What are the different modes of mounting a Database with the Parallel
Server?

Submitted by: Administrator
Exclusive Mode If the first instance that mounts a database does so in exclusive mode, only
that Instance can mount the database.
Parallel Mode If the first instance that mounts a database is started in parallel mode, other
instances that are started in parallel mode can also mount the database.
Submitted by: Administrator

Read Online Oracle DBA Job Interview Questions And Answers