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Answer to Question #68735 in Python for Henry John

Question #68735
You have a subscription input field on a client’s website and need a method to ensure that any email address and username in the client's database is unique. What should you use to achieve this?
Expert's answer
here some way to do this:
1. When you are creating table in data base you can specify column NAME and EMAIL UNIQUE
2. Use AJAX check data base for valid or not, email and name
3. If you use Django, you may specify this value like unique in your User model

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