Beginner's advice, enterprise product website Background development, order backup ideas

Novice for advice, enterprise product website Background development, order backup ideas
Title, is learning PHP students, now need to do product site management, Order inquiry and order modification has been done, order backup should be roughly what kind of thinking to do, please advise.
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Does the order need to be backed up?
Orders have order form, order backup is Order form backup
CREATE TABLE Order Backup SELECT * FROM order
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Backup data table?
Scheduled backup table

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