mysql - how to return data if catgory have at least three families -

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i have 2 tables relationship..every category have family or more

1-product_category

2-family

i want select categories , families joined if category have @ least 3 families in family table

i try doesn't work..something wrong count()

select  count(fa_name) count,   d_family.*,   d_product_type_category.pt_name d_family   inner join d_product_type_category     on d_family.fa_id = d_product_type_category.pt_id   (count > 2)

try this. aggregated column must filtered having clause not clause

select  count(fa_name) count,   d_family.*,   d_product_type_category.pt_name d_family   inner join d_product_type_category     on d_family.fa_id = d_product_type_category.pt_id group <add non-aggregated columns in select clause>   having (count > 2)

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