A process on a server is a section of a computer program in memory that performs a specific task. When the Oracle server starts, multiple processes are started on the server to perform various functions as part of the Oracle instance. While a detailed discussion of all Oracle background processes is beyond the scope of [...]
Oracle Server
Oracle Server Components
An Oracle server consists of both a database and an instance. In Oracle terminology, database refers to only the physical files on disk. These are the files thatstore the data itself, the database state information in the control file, and the changes made to the data in the redo log files. The term instance refers [...]
