sql与雇主表?工资和预付款
如何获得这笔付款sql与雇主表?工资和预付款,sql,Sql,如何获得这笔付款 employer_payment.payment = employer_salary.salary - employer_advance_payment.advance_payment 关于如何解决这个问题,请给我您的建议。您可以使用左键计算预付款扣除的工资 SELECT a.employerID, a.salary - COALESCE(b.advance_payment, 0) payment FROM employer_salary a
employer_payment.payment = employer_salary.salary - employer_advance_payment.advance_payment
关于如何解决这个问题,请给我您的建议。您可以使用
左键
计算预付款扣除的工资
SELECT a.employerID,
a.salary - COALESCE(b.advance_payment, 0) payment
FROM employer_salary a
LEFT JOIN employer_advance_payment b
ON a.employerID = b.employerID
你试过什么了吗?如果是的话,请贴出来。谢谢。我还发现“IIf([b.预付款]为空,0,[b.预付款])”与“联合(b.预付款,0)”等价