Shulou(Shulou.com)06/01 Report--

1.sys and system users

(1) oracle automatically generates sys and system users

(2) sys Super Admin, with the highest permissions, sysdba role, and create database permissions. The default password is change_on_install.

(3) system ordinary administrator, with high authority, sysoper role, no create database permission. The default password is manager.

two。 Generally speaking, for database maintenance, you can log in using the system user.

The biggest difference between 3.sys and system is whether they have the right to create database or not.

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