我有SQL查询,它返回前一年某些工人的平均利用率。
SELECT Name, AVG (hsum)
FROM
(
SELECT Name,sum((number_hours)/8)*100 AS hsum
FROM
T1
WHERE name='PERSON_A' and bookeddate>='2012-01-01' and booked_date<='2012-12-31'
GROUP BY name,booked_date
) t
现在我想排除周末的预约日期进行计算?怎么做?我正在使用mysql 谢谢
答案 0 :(得分:7)
将DAYOFWEEK()
添加到您的WHERE
子句:
AND DAYOFWEEK(booked_date) <> 1 AND DAYOFWEEK(booked_date)<>7