我有两张桌子 Transaction_log -trans_id(PK)-payment type-Date(DateTime) Master_policy - policy_number(PK)- and some other data 我需要获取每个保单编号的最后一次付款类型,并使用日期在主保单表格中更新它mysql UPDATE fn_policy_master
SET last_trans_type
我有张这样的桌子:France 1-1-2014 5Franceselect region, datepart(week, date) weeknbr, sum(cases) cases group by region, datepart(week, date)
order by region, datepart(week, date</e