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When a post has multiple tags, what is the best way to save it in the database? What should I do when I pick it up?

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Release： 2016-07-06 13:51:12
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Pictured:
When a post has multiple tags, what is the best way to save it in the database? What should I do when I pick it up?

A post has 3 tags, how to save it in the database?
If the tag ID is saved, for example: 1-2-3
How to check it when querying?
Using like matching does not work!

Reply content:

Pictured:
When a post has multiple tags, what is the best way to save it in the database? What should I do when I pick it up?

A post has 3 tags, how to save it in the database?
If the tag ID is saved, for example: 1-2-3
How to check it when querying?
Using like matching does not work!

type = 1,2,3
select * from article where FIND_IN_SET('2',type)
How?

Related labels：
mysql php
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