sql count having
-- Classes with more than 10 students
SELECT student_class, COUNT(*) FROM students GROUP BY student_class
HAVING count(*) > 10;
sql count having
-- Classes with more than 10 students
SELECT student_class, COUNT(*) FROM students GROUP BY student_class
HAVING count(*) > 10;
mysql HAVING
SELECT colonne1, SUM(colonne2)
FROM nom_table
GROUP BY colonne1
HAVING fonction(colonne2) operateur valeur
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