mysql - Efficient way to find maximum value on 80+ tables -

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i have 80 tables , want filter has highest price among 80 tables. plan on using query: 

select id  (select id, price t1 price = (select max(price) t1)     union     select id, price t2 price = (select max(price) t2)     union     select id, price t3 price = (select max(price) t3)    ) m  order price desc  limit 1

but find inefficient. there other way? in advanced

i think lot faster.

select id, price t1 union select id, price t2 union select id, price t3 order price desc  limit 1




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