January 2018
Intermediate to advanced
446 pages
12h 57m
English
Content preview from MySQL 8 Cookbook
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Filtering using HAVING
You can filter results of the GROUP BY clause by adding the HAVING clause.
For example, find the employees with an average salary of more than 140,000:
mysql> SELECT emp_no, AVG(salary) AS avg FROM salaries GROUP BY emp_no HAVING avg > 140000 ORDER BY avg DESC;+--------+-------------+| emp_no | avg |+--------+-------------+| 109334 | 141835.3333 || 205000 | 141064.6364 |+--------+-------------+2 rows in set (0.80 sec)
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