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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
create table tickets (
fr_id int, user_id int
);
insert into tickets values
(1, 60), (2, 50), (3, 4), (4, 60), (5, 60), (6, 60), (7, 4), (8, 60), (9, 50), (10, 50);
select
sum(user_id = 60) / count(*) as chance
from tickets;