Unlocking the Secret:Retrieve Customers that has Orders #SQL

Description:
SQL Administrator sometimes have to #select all customers had placed and an at least one order #from the database.
here is the #SQL code to find this customers
#sql_training #SQL_tutorial

here is the RapidCoder SQL tutorial playlist's link:
https://youtube.com/playlist?list=PLUy2cdfVh7tj5-HaDgB_-alHYNCFntx4n&si=6dkf-lVJW8ZkZynm