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Statement
Column Names From the Select List select customer_no, sum(amount) from orders group by customer_no
select city, state, count(distinct company) from customers group by city, state
Column Names Not in the Select List select status, sum(amount) from orders group by customer_no, status
select count(company) from customers group by state
Having
select customer_no, sum(amount) from orders group by customer_no having customer_no = 1001;
select customer_no, sum(amount) from orders group by customer_no having status != 'shipped';
select status, sum(amount) from orders group by status having customer_no in (select customer_no from customers where company='systems');