SELECT
SUM(projects.hours) AS total_hours,
(SELECT SUM(projects.hours) FROM projects) AS all_hours
FROM
projects
GROUP BY
projects.companyID
ORDER BY total_hours DESC
LIMIT 5
アプリケーションのall_hoursからtotal_hoursを引きます。
SELECT
SUM(projects.hours) AS total_hours,
(SELECT SUM(projects.hours) FROM projects) AS all_hours
FROM
projects
GROUP BY
projects.companyID
ORDER BY total_hours DESC
LIMIT 5
アプリケーションのall_hoursからtotal_hoursを引きます。