January 2018
Intermediate to advanced
446 pages
12h 57m
English
Content preview from MySQL 8 Cookbook
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AVERAGE
Find the 10 employees with the highest average salaries:
mysql> SELECT emp_no, AVG(salary) AS avg FROM salaries GROUP BY emp_no ORDER BY avg DESC LIMIT 10;+--------+-------------+| emp_no | avg |+--------+-------------+| 109334 | 141835.3333 || 205000 | 141064.6364 || 43624 | 138492.9444 || 493158 | 138312.8750 || 37558 | 138215.8571 || 276633 | 136711.7333 || 238117 | 136026.2000 || 46439 | 135747.7333 || 254466 | 135541.0625 || 253939 | 135042.2500 |+--------+-------------+10 rows in set (0.91 sec
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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