How to create a tag tab

Source: Internet
Author: User
How to create a tag tab and how to create a tag tab. when the background is filled with tags, they are separated by commas. I don't know how to design databases because I don't have such instances? Is it necessary to create a tag field in the document table or a tag table? How to store and retrieve data. How to create a tag tab
How to create a tag tab
I think tags are separated by commas (,) in the background. I don't know how to design databases because I don't have such instances? Is it necessary to create a tag field in the document table or a tag table? How to store and retrieve data.
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Reference:
When editing an article, I entered a tag in the input box. Do I have to create a record in the tag when saving the article? do I have to judge whether the tag already exists in the tag table? Is that true?

Completely correct

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