获取星期几的名称

udf_WeekDayName
<div class="codetitle"><a style="CURSOR: pointer" data="73475" class="copybut" id="copybut73475" onclick="doCopy('code73475')"> 代码如下:<div class="codebody" id="code73475">
CREATE FUNCTION [dbo].[udf_WeekDayName]
(
)
RETURNS @WeekDayName TABLE([Id] INT,[WeekDayName] NVARCHAR(15))
AS
BEGIN
INSERT INTO @WeekDayName ([Id],[WeekDayName]) VALUES (0,'Saturday'),(1,'Sunday'),(2,'Monday'),(3,'Tuesday'),(4,'Wednesday'),(5,'Thursday'),(6,'Friday')
RETURN
END

udf_WeekDayNameOfDate
<div class="codetitle"><a style="CURSOR: pointer" data="65189" class="copybut" id="copybut65189" onclick="doCopy('code65189')"> 代码如下:<div class="codebody" id="code65189">
CREATE FUNCTION [dbo].[udf_WeekDayNameOfDate]
(
@Date DATETIME
)
RETURNS NVARCHAR(10)
BEGIN
RETURN
CASE (DATEPART(dw,@Date) + @@DATEFIRST) % 7
WHEN 0 THEN 'Saturday'
WHEN 1 THEN 'Sunday'
WHEN 2 THEN 'Monday'
WHEN 3 THEN 'Tuesday'
WHEN 4 THEN 'Wednesday'
WHEN 5 THEN 'Thursday'
WHEN 6 THEN 'Friday'
END
END

（编辑：李大同）

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