Oracle Password Complexity Verification

​The password complexity verification routine ensures that the password meets the following requirements:

• Is at least four characters long
• Differs from the user name
• Has at least one alpha, one numeric, and one punctuation mark character
• Is not simple or obvious, such as welcome, account, database, or user
• Differs from the previous password by at least 3 characters
• creating password with special character should enclosed in double quotation.
• Special Characters Accepted by Oracle: [ ! # % * + – : ; > ? _ ( ) ~ ^ { } | [ ] \ . ]

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