Create 1174-immediate-food-delivery-ii.sql

Author: everthis

1174-immediate-food-delivery-ii.sql

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+# Write your MySQL query statement below
+select 
+round(100*sum(case when b.min_order_date = b.min_delivery_date then 1 else 0 end)/count(*), 2)
+as immediate_percentage
+from (
+  select min(order_date) as min_order_date, min(customer_pref_delivery_date) as min_delivery_date
+  from delivery
+  group by customer_id
+) b;