What do you understand by the Oracle?

Oracle is a database company that stores the data. Oracle stores the data in a very definite way so that client can regain it in a multi-user condition. It is very efficient for the client to access the same data by a few users. It is done in very high performance. Not only this, database prevents the unauthorized access that provides the security to the clients. Moreover, it provides solutions for failure restoration. There is a need for copying that is created by the backup of the primary database which is known as a standby database.