WHERE DATENAME(year, OrderDate) = '2008' GROUP BY DATENAME(year, OrderDate), DATENAME(week, OrderDate) ORDER BY DATENAME(year, OrderDate), DATENAME(week, OrderDate) 1. 2. 3. 4. 5. 6. 7. 结果如下 DATENAME——注意OrderWeek按字符值排序 我想指出,虽然我们按年和周排序,但周似乎不合时宜...
具体的 SQL 查询语句如下: SELECTCustomerID,MIN(OrderDate)ASEarliestOrderDateFROMOrdersGROUPBYCustomerID; 1. 2. 3. 逐步解析查询 SELECT 子句:我们选择了客户 ID 和对应的最早订单日期。 CustomerID表示客户的唯一标识。 MIN(OrderDate)表达式用来找到每位客户的最早订单时间,并将其命名为EarliestOrderDate。 FROM ...
结果集如下。EarliestDate选择三个值的最小日期值,并忽略NULL。 输出 Name SellStartDate DiscontinuedDate ModelModifiedDate EarliestDate --- --- --- --- --- Touring Pedal 2007-07-01 00:00:00.000 NULL 2009-05-16 16:34:29.027 2007-07-01 00:00:00.000 Touring Tire 2007-07-01 00:00:00.000...
CREATE FUNCTION [dbo].[fnGetServerTimeFromUTC] ( @AppointmentDate AS DATETIME, @DateTimeOffset DATETIMEOFFSET ) RETURNS DATETIME AS BEGIN --DECLARE @AppointmentDate DATETIME; --SET @AppointmentDate = '2016-12-01 12:00:00'; SELECT @AppointmentDate; --Get DateTimeOffset from Server...
public abstract OffsetDateTime earliestRestoreDate() Returns: the earliest restore date of the database (ISO8601 format)edition public abstract String edition() Returns: the edition of the databasemaxSizeBytes public abstract String maxSizeBytes() Returns: the max size in bytes of the database...
The following example updates the vacation hours of the 10 employees with the earliest hire dates. SQL Copy UPDATE HumanResources.Employee SET VacationHours = VacationHours + 8 FROM (SELECT TOP 10 BusinessEntityID FROM HumanResources.Employee ORDER BY HireDate ASC) AS th WHERE HumanResources....
The following example updates the vacation hours of the 10 employees with the earliest hire dates.SQL Copy UPDATE HumanResources.Employee SET VacationHours = VacationHours + 8 FROM (SELECT TOP 10 BusinessEntityID FROM HumanResources.Employee ORDER BY HireDate ASC) AS th WHERE HumanResources....
Msg 4104, Level 16, State 1, Line 1 The multi-part identifier "Tbl1031.Abc_EarliestClientReadyDateNEW" could not be bound. Msg 4104, Level 16, State 1, Line 1 The multi-part identifier "Tbl1031.Abc_InternalProjectStartDate" could not be bound. Msg 4104, Level 16, State 1, Line 1...
SELECT[Month]=Months.m, [Count]=SUM(-- Number of days in the current month1+DATEDIFF (DAY,-- Latest of [Start Date] and current month start dateIIF(DR.[StartDate]<=MonthRange.StartDate, MonthRange.StartDate, DR.[StartDate]),-- Earliest of [End Date] and current month end dateIIF(...
If you have to use TOP to delete rows in a meaningful chronological order, you must use TOP together with ORDER BY in a subselect statement. The following query deletes the 10 rows of thePurchaseOrderDetailtable that have the earliest due dates. To ensure that only 10 rows are deleted, ...