N
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;
N
Having keyword basically similar to if condition
Only returns true conditions
SELECT FIRST_NAME , COUNT(*)
FROM EMPLOYEES
GROUP BY FIRST_NAME
HAVING COUNT(*) > 1
N
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;
N
SELECT colonne1, SUM(colonne2)
FROM nom_table
GROUP BY colonne1
HAVING fonction(colonne2) operateur valeur