g0101_0200.s0183_customers_who_never_order.script.sql Maven / Gradle / Ivy
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Kotlin-based LeetCode algorithm problem solutions, regularly updated
# Write your MySQL query statement below
# #Easy #Database #SQL_I_Day_1_Select #2022_10_18_Time_712_ms_(33.67%)_Space_0B_(100.00%)
SELECT c.Name as Customers
FROM Customers as c
LEFT JOIN Orders as o
ON c.Id = o.CustomerId
WHERE o.CustomerId is null