sql根据时间戳按年月日分组统计,用于按日期分类: create_time为时间格式(字段名create_time 根据自己表字段修改,数据库中存为201610071202) SELECT DATE_FORMAT(create_time,'%Y%u') weeks,COUNT(id) COUNT FROM role GROUP BY weeks; SELECT DATE_FORMAT(create_time,'%Y%m%d') days,COUNT(id) COUNT FROM role GRO
1:SqlServer简单的操作XML: ALTER PROCEDURE [dbo].[SP_CRM_FranchiseeRecharge_Money] @Create_By VARCHAR(), @xmlStr1 NVARCHAR(MAX) -写在这里面的为 传入的参数 AS BEGIN as begin后面的为自定义的变量 SET NOCOUNT ON; DECLARE @xml XML = @xmlStr1; sqlserver操作XML T-SQL提供了以下几个针对XML类型的查询函数:
In the old times while all the CPUs were 32bit, we were happily using JET OLEDB Provider reaching Excel or MDB files for long time without any issues. After we started using x64 CPUs and x64 Windows machines, we noticed that JET OLEDB Provider is not
SELECT ROW_NUMBER() OVER (ORDER BY sr.receiptid ASC) AS 序号, sr.receiptid, sr.receiptdate, DATE(sr.receiptdate) AS receiptdate, concat_ws(':',EXTRACT(hour from sr.receiptdate),EXTRACT(minute from sr.receiptdate),EXTRACT(second from sr.receiptdate)) AS