Oracle architecture components - Oracle Architecture

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• Nirja Shah   -Posted on 26 Aug 15
  -The following are the components which comprise of an oracle architecture:
  
  -Background processes - To maximize performance and accommodate many users, a multiprocess Oracle Database system uses background processes.
  -Background processes consolidate functions that would otherwise be handled by multiple database programs running for each user process.
  -Background processes asynchronously perform I/O and monitor other Oracle Database processes to provide increased parallelism for better performance and reliability.
  
  -Tablespaces - A tablespace is a storage location where the actual data underlying database objects can be kept.
  -It provides a layer of abstraction between physical and logical data, and serves to allocate storage for all DBMS managed segments.
  
  -Datafiles - They are physical structures that conform to the operating system in which Oracle is running.
  -A database's data is collectively stored in the datafiles that constitute each tablespace of the database.

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