What do you mean by Oracle Database?

Oracle has the main theme of storing, creating and managing the database. For this, it has software i.e. Oracle Software which has the system of the physical and logical structure that contains the information of the user, control and much more. Oracle database server is the software that maintains the database. In a simple way, Oracle database system maintains and manages the Oracle and its physical database. Oracle solve its every quibble and try to keep it better. Like fast accessing in the database is possible now because of the functions like data buffer cache.

Moreover, it provides redo logs that take care of any change made in the database. More functions like Data Guard are present to protect the data and provide full security to the database. It also watches over the availability of data and also checks the file record. Data Guard also looks after the physical structure of the database.