我有两个mysql表。sum_cost_total, FROM_UNIXTIME(AVG(UNIX_TIMESTAMP(inv_date_str))) AS avg_inv_date( o1.inv_total AS inv_total_str, o1.inv_dateAS inv_date_str, SELECT
我正在尝试创建一个在需要SUM函数和group by的子查询中执行计算的查询。我的查询返回错误"Subquery return more more row“。本质上,我试图返回每个订单的“到期”金额。, (SELECT (o.total - SUM(p.total_collected)) join payments pon o.order_id = p.order_id
group by p.ord
SELECT Agegroup, Attrition, Attrition / (SELECT Count(Attrition) FROM project1.employee) * 100 as Attrition_ratefrom (SELECT Agegroup, Count(*) as Attrition CASE WHEN age BETWEEN
我是php & mysql的新手。我在mysql数据库中有两个列,team和Date。我尝试了基于日期过滤器的代码来查找总数。(即2013年8月6日)
$result = mysql_query("SELECT Date, SUM(issuedwt) AS IssuedTotal, SUM(receiptwt) AS ReceiptTotal, SUM(workloss) AS Balance FROM `worksheet` GROUP</e