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Database design-What are the benefits of dividing user names and passwords into two tables with other user information?

Source: Internet
Author: User
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Object-oriented considerations
User information is the user itself, the user name and password is just the login key
Performance considerations
Login Verification when the column is less, query fast.
Security Considerations
To prevent the query of user information, the password is also directly queried, it will be vulnerable to attack and malicious operations.

Database design-What are the benefits of dividing user names and passwords into two tables with other user information?

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