DATEPART(DW,@StartDate)ASDayNumberOfWeek,DATENAME(DW,@StartDate)ASDayNameOfWeek,DATENAME(DD,@StartDate)AS[DayOfMonth],DATENAME(DY,@StartDate)AS[DayOfYear],DATEPART(WW,@StartDate)ASWeekNumberOfYear,DATENAME(MM,@StartDate)
,DAY(FullDate)ASDateDay ,datepart(weekday,FullDate)ASDateWeekDayNum ,datename(weekday,FullDate)ASDateWeekDayNameFROMc )SELECTFullDate ,FiscalPeriodEndDate ,WeekNum ,QuarterNum ,FiscalPeriodNumber--Caculate the week number in fiscal period.,ROUND(RANK()OVER(PARTITIONBYFiscalPeriodNumber,DateYearorde...
2)dayofweek(1 = Sunday, 2 = Monday, ..., 7 = Saturday)、dayofyear 代码语言:javascript 复制 --7selectdayofweek("2020-12-12"); 3)weekofyear(date) 代码语言:javascript 复制 /** * Extracts the week number as an integer from a given date/timestamp/string. * * A week is considered to...
GETDATE()函数是最常用的函数之一,用于获取当前的日期和时间。 SELECTGETDATE()AS'当前日期和时间'; 1. 2. 提取日期部分 有时候,我们需要从日期时间中提取出特定的部分,比如年、月或者日。可以使用YEAR(),MONTH(),DAY()等函数。 SELECTYEAR(GETDATE())AS'当前年份',MONTH(GETDATE())AS'当前月份',DAY(GET...
day>=dateadd(day,-5-datepart(weekday,getdate()),convert(varchar,getdate(),112)) and create_day<dateadd(day,2-datepart(weekday,getdate()),convert(varchar,getdate(),112)) --本月注册人数 select count(*) from [user] where create_day>=dateadd(day,1-day(getdate()),convert(varchar,get...
RETENTION_PERIOD = { INFINITE | number {DAY | DAYS | WEEK | WEEKS | MONTH | MONTHS | YEAR | YEARS }} 指定資料表的保留期間原則。 保留期間是使用正整數值和日期部分單位的組合來指定。 MEMORY_OPTIMIZED 適用於:SQL Server 2014 (12.x) 及更新版本、Azure SQL Database,以及 Azure SQL 受控執行個...
select datename(weekday,getdate()) 3)如何取得某个月的天数 declare @m int set @m=2 --月份 select datediff(day,'2003-'+cast(@m as varchar)+'-15' ,'2003-'+cast(@m+1 as varchar)+'-15') 另外,取得本月天数 select datediff(day,cast(month(GetDate()) as varchar)+'-'+cast(month(...
DATEADDDATEADD (datepart, number, date )通过将一个时间间隔与指定 date 的指定 datepart 相加,返回一个新的 datetime 值。date 参数的数据类型Deterministic EOMONTHEOMONTH (start_date[ ,month_to_add] )返回包含指定日期的月份的最后一天(具有可选偏移量)。返回类型为 start_date参数类型或 date数据类型。Determ...
of data & it could be read // from some persistent medium like disk/network/UI-controls etc void FillRowData(EmployeeData* pCurrentEmployee) { pCurrentEmployee->birthdayStatus = DBSTATUS_S_OK; pCurrentEmployee->birthdayLength = sizeof(DBDATE); pCurrentEmployee->birthd...
此示例使用数值表达式((GETDATE() + 1))和标量系统函数(GETDATE和SYSDATETIME)作为 enddate 的参数 。 SQL USEAdventureWorks2022; GOSELECTDATEDIFF(day,'2007-05-07 09:53:01.0376635',GETDATE() +1)ASNumberOfDaysFROMSales.SalesOrderHeader; GOUSEAdventureWorks2022; GOSELECTDATEDIFF(day,'2007-05-07 09:...