Having keyword basically similar to if condition
Only returns true conditions
SELECT FIRST_NAME , COUNT(*)
FROM EMPLOYEES
GROUP BY FIRST_NAME
HAVING COUNT(*) > 1
SELECT COUNT(customer_id), country
FROM Customers
GROUP BY country
HAVING COUNT(customer_id) > 1;
HAVING clause in SQL is used to
filter records in combination
with the GROUP BY clause. It is
different from WHERE, since
WHERE clause cannot filter
aggregated records. HAVING is a column
operation.
Select department_id, Min (Salary)
From Employees
Group By Department_id
Having MIN (salary) < 3500;
SELECT column_name(s)
FROM table_name
WHERE condition
GROUP BY column_name(s)
HAVING condition
ORDER BY column_name(s);
SELECT COUNT(CustomerID), Country
FROM Customers
GROUP BY Country
HAVING COUNT(CustomerID) > 5
ORDER BY Country
HAVING clause in SQL is used to
filter records in combination
with the GROUP BY clause. It is
different from WHERE, since
WHERE clause cannot filter
aggregated records. HAVING is a column
operation.
Select department_id, Min (Salary)
From Employees
Group By Department_id
Having MIN (salary) < 3500;