有沒有更快的方法來寫這3個相同的查詢？

Question

有沒有任何更快查詢重寫這些查詢的方法還是將它們組合起來？

update products 
set shop = '1' 
where shop LIKE '%demo%' 

update products 
set shop = '2' 
where shop LIKE '%car%' 

update products 
set shop = '3' 
where shop LIKE '%art%' 

Answer 1

update products 
set shop = 
case 
when shop like '%demo%' then 1 
when shop like '%car%' then 2 
when shop like '%art%' then 3 
else shop 
end 

Answer 2

也許一個存儲過程：http://www.sqlinfo.net/mysql/mysql_stored_procedure_UPDATE.php