重合統計部品表MySQLの後

パーツテーブルの数が比較的少ないため、労働組合のすべての直接の行に

select ring_token , sum(a.sum_partition) as total from (
    select ring_token, count(1) as sum_partition from  table_0 group by ring_token
    union all
    select ring_token, count(1) as sum_partition from  table_1 group by ring_token
    union all
    select ring_token, count(1) as sum_partition from  table_2 group by ring_token
    union all
    select ring_token, count(1) as sum_partition from  table_3 group by ring_token
    union all
    select ring_token, count(1) as sum_partition from  table_4 group by ring_token
    union all
    select ring_token, count(1) as sum_partition from  table_5 group by ring_token
    union all
    select ring_token, count(1) as sum_partition from  table_6 group by ring_token
    union all
    select ring_token, count(1) as sum_partition from  table_7 group by ring_token
) a