我需要一些SQL查询的建议。当前使用的是SQLServer Express 2016。我有两张桌子。主表被称为Dive,明细表被称为DiveLog。[DiveLog]([Time] [datetime] NULL,[Comment例如:2017-07-01 12:03:22 - Equipment in the w
) as first_seen, s.name as last_server, sum(case when login_time> NOW() - INTERVAL 1 DAY then sp.play_time end) as ontime_day,
sum(case when login_time > NOW
//Get the first day and last day$dateFinal = strtotime('2019-08-21');
$sql = "SELECT id_product, product, plant_sowing, plant_productionSUM(IF(ROUND(DATEDIFF(TIM
//Get the first day and last day$dateFinal = strtotime('2019-08-21');
$sql = "SELECT id_product, product, plant_sowing, plant_productionSUM(IF(ROUND(DATEDIFF(TIM
dates, date("Y-m-d", strtotime('monday this week', $i))); SUM(IF(ROUND(DATEDIFF(TIMESTAMPADD(DAY,(6 WEEKDAY('".of December 2016');
$datePeriod = new DatePeriod($start , new Dat