Requirements for Database Passwords
To secure your database, use passwords that satisfy the Oracle recommended password requirements, even the passwords for predefined user accounts.
Oracle Database provides a set of predefined user accounts. Create passwords in a secure fashion. If you have default passwords, change these passwords to secure passwords.
You can manage the security for Oracle Database users in various ways:
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Enforce restrictions on the way that passwords are created
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Create user profiles
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Use user resource limits to further secure user accounts
Related Topics
Parent topic: Selecting Installation Options for Oracle RAC