php - How to get count children of users -

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i want count of chidren. try query not work table colums

id, father_id , name 

select id parent_id , father_id ,name, count(select * users father_id = parent_id) child         users

use correlated sub-query count:

select id parent_id , father_id ,name, (select count(*) users u2                                            u2.father_id = u1.id) child users u1

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