嗨,我有一个没有时区数据类型的时间戳参数,我正在计算这两个参数clock_out_time和clock_in_time。
这是我的功能
(select EXTRACT ( hour from (select sum( att.clock_out_time - att.clock_in_time)
from public."VOfficeApp_employee_attendence" att
where att.user_id = 2017
and att.company_id =391
我想把下面这个简单的SQL查询改成LINQ,该怎么改呢?
select * from table1 where isPaid = 'true' and Id in (select Id from table2 where EmployeeId = 12)
类似于这个?
from pa in db.PaymentAdvices
where pa.IsPaid == true
orderby pa.PaidDate descending
select pa;
这是我的问题。它显示结果,但它只显示数字或id,而不是日期的名称。怎么改呢?
SELECT challenger, challenged, day_id, date_match, CONCAT(term_start,' - ',term_end)
AS term FROM barbara_schedule
INNER JOIN barbara_days ON barbara_schedule.day_id = barbara_days.id_day
ORDER BY date_match, term_start ASC