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This article mainly explains "what is the difference between SYSDBA and SYSOPER". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what is the difference between SYSDBA and SYSOPER".

SYSDBASYSOPERSTARTUP (startup database) STARTUPSHUTDOWN (shut down database) SHUTDOWNALTER DATABASE OPEN/MOUNT/BACKUPALTER DATABASE OPEN/MOUNT/BACKUP change character set NONECREATE DATABASE (create database) NONE cannot create database DROP DATABASE (delete database) NONECREATE SPFILECREATE SPFILEALTER DATABASE ARCHIVELOG (archive log) ALTER DATABASE ARCHIVELOGALTER DATABASE RECOVER (restore database) can only be fully recovered Cannot perform incomplete recovery with RESTRICTED SESSION (session restriction) permission having RESTRICTED SESSION permission allows the user to connect as a SYS user to perform some basic operations, but cannot view the user's data after login the user is SYS login and the user is PUBLIC after login

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