-- 说明: 运行在SQL Server 2005+。 -- 结果值从1到7,分别对应从周一到周日,该值与@@DATEFISRT配置函数值保持一致。 -- 使用(@@datefirt + datepart(weekday, @dtmDate))%7的结果值从2、3、4、5、6、0、1 -- 分别对应周一、周二、周三、周四、周五、周六、周日。 -- 作者: XXX -- 创建: yyyy...
--本月记录 SELECT * FROM 表 WHERE datediff(month,[dateadd],getdate())=0 --本周记录 SELECT * FROM 表 WHERE datediff(week,[dateadd],getdate())=0--包括本年这些查询方式是一样的 sql server中的时间函数 1. 当前系统日期、时间 select getdate() 2. dateadd 在向指定日期加上一段时间的...
以下是一个示例代码,展示如何在 SQL Server 中检查当前日期是否为星期日: 代码语言:txt 复制 SELECT CASE WHEN DATENAME(weekday, GETDATE()) = 'Sunday' THEN 'Today is Sunday' ELSE 'Today is not Sunday' END AS IsSunday 解释 GETDATE() 函数返回当前日期和时间。 DATENAME(weekday, GETDATE())...
SET DATEFIRST 7; SELECT CAST('1999-1-1' AS datetime2) AS SelectDate ,DATEPART(dw, '1999-1-1') AS DayOfWeek; -- January 1, 1999 is a Friday. Because the U.S. English default -- specifies Sunday as the first day of the week, DATEPART of 1999-1-1 -- (Friday) yields a value...
[the_date] [datetime]NULL, [the_day] [nvarchar] (15)NULL, [the_month] [nvarchar] (15)NULL, [the_year] [smallint]NULL, [day_of_month] [smallint]NULL, [week_of_year] [smallint]NULL, [month_of_year] [smallint]NULL, [quarter] [nvarchar] (2)NULL, ...
MS SQL: Get the Day of Week in Transact-SQL The day of week for a given date can in Microsoft SQL server be calculated based on the @@datefirst system variable and the datepart function in Transact-SQL. The value returned from datepart is not constant but depends on the first day of...
Functions that return system date and time values Transact-SQL derives all system date and time values from the operating system of the computer on which the instance of SQL Server runs. Higher-precision system date and time functions Since SQL Server 2008 (10.0.x), the Database Engine derives...
计算指定工作日后的日期 第一种： public static DateTime GetWorkday(DateTime now, int days) ...
Datepart is a part of date, e.g. day, month, year. GETDATE() Returns the current database system timestamp as a datetime value. This value is derived from the operating system of the computer on which the instance of SQL Server is running. ...
sql Server 2022 (16.x) Azure SQL 数据库Azure SQL 托管实例 Microsoft Fabric Warehouse 中的 Microsoft Fabric Warehouse 中的 SQL 分析终结点 DATETRUNC函数返回截断到指定日期部分的输入日期。 语法 syntaxsql复制 DATETRUNC( datepart , date ) 参数 ...