摘要:
select *,datediff(ss,(select max( CreateTime) from Table1 b where b.id<a.id),a.CreateTime)from Table1 a Table1表有自增长字段Id Table表的CreateTime也是随着Id而增大的 阅读全文
摘要:
返回单一值是良好的编程习惯原代码: public LotteryViewModel ValidateLottery(LotteryBaseData baseData, int authTime, out GetDataForValidateLotteryResultModel data) ... 阅读全文