Oracle Database Administration from Zero to Hero - Practice - Starting Up and Shutting Down DB Instances

This video tutorial covers the various options for starting up and shutting down Oracle databases. It demonstrates the normal shutdown process, highlighting the importance of handling open transactions. The tutorial also explores the use of immediate shutdown mode, which allows the database to close without waiting for transactions to complete. Additionally, it discusses different startup modes, such as mount and no mount, and their specific use cases. The video concludes with a summary of the key points and scenarios for choosing the appropriate startup or shutdown option.

What are the different modes for starting up the database?

What error message is returned when trying to connect to a database that is not open?

What should be done after successfully connecting to the database as a cleanup?