mysql - sql query for product taging to get product having 3 specific tag -

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i have database design having 3 table below:

products pid pname pprice  tags  tag_id tag_name  products_tag ==> unique(pid,tag_id) pid tag_id 65   1 65   3 66   2 88   2 88   4 88   3

i have requirement pid have tagid = 2 , 3 , 4. result in case 88(pid). sql query problem statement?

select pid products_tag  tagid in (2,3,4) group pid having count(tagid) = 3

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