在 SQL Server 2008 中的日期和时间之间搜索 [英] Search between dates and times in SQL Server 2008

问题描述

我需要在日期和时间之间进行搜索.

例如，在日期:30/02/2007，时间:10:32和日期:21/06/2008，时间:14:19之间<​​/code>>

最简单的查询是什么?

提前致谢.

解决方案

您应该查看 SQL Server 中可用的日期时间格式:http://msdn.microsoft.com/en-us/library/ms187928.aspx

yyyy-mm-dd hh:mi 是你应该使用的:

试试:

SELECT*从记录WHERE DateCreated>='2007-02-30 10:32' AND DateCreated<='2008-06-21 14:19'

在上述查询中，如果 DateCreated 是日期时间列，则字符串将转换为日期时间数据类型.并且查询将起作用.

您可以创建日期时间数据类型的局部变量并使用如下查询:

DECLARE @StartDate 日期时间，@EndDate 日期时间选择@StartDate='2007-02-30 10:32'，@EndDate='2008-06-21 14:19'选择*从记录WHERE DateCreated>=@StartDate AND DateCreated<=@EndDate

我喜欢使用 <、<=、>= 或 >，因为它比 BETWEEN 具有更大的灵活性，并迫使您考虑是否包含端点.

要考虑的另一件事是获取一整天的所有数据:

DECLARE @StartDate 日期时间，@EndDate 日期时间--设置你想要的日子选择@StartDate='2007-02-30 10:32'，@EndDate='2008-06-21 14:19'--去掉时间SELECT @StartDate=DATEADD(day,DATEDIFF(day,0,@StartDate),0), @EndDate=DATEADD(day,DATEDIFF(day,0,@EndDate),0)--获取2007-02-30"上的所有内容，直到2008-06-21"当天结束选择*从记录WHERE DateCreated>=@StartDate AND DateCreated<@EndDate+1

I need to search between dates and times.

For example, between date: 30/02/2007, time: 10:32 and date: 21/06/2008, time: 14:19

What is the most simple query for this?

Thanks in advance.

解决方案

you should look at the date time formats available in SQL Server: http://msdn.microsoft.com/en-us/library/ms187928.aspx

yyyy-mm-dd hh:mi is what you should use:

try:

SELECT
    *
    FROM Records
    WHERE DateCreated>='2007-02-30 10:32' AND DateCreated<='2008-06-21 14:19'

in the above query the strings will be converted to datetime data type if DateCreated is a datetime column. and the query will work.

you can create local variables of datetime data type and use a query like:

DECLARE @StartDate datetime, @EndDate datetime

SELECT @StartDate='2007-02-30 10:32', @EndDate='2008-06-21 14:19'

SELECT
    *
    FROM Records
    WHERE DateCreated>=@StartDate AND DateCreated<=@EndDate

I like using <, <=, >=, or > because it allows more flexibility than BETWEEN and forces you to think about including endpoints or not.

Another thing to consider is getting all data from a complete day:

DECLARE @StartDate datetime, @EndDate datetime

--set the days you want
SELECT @StartDate='2007-02-30 10:32', @EndDate='2008-06-21 14:19'

--remove the time
SELECT @StartDate=DATEADD(day,DATEDIFF(day,0,@StartDate),0), @EndDate=DATEADD(day,DATEDIFF(day,0,@EndDate),0)

--get everything on '2007-02-30' up to the end of the day on '2008-06-21'
SELECT
    *
    FROM Records
    WHERE DateCreated>=@StartDate AND DateCreated<@EndDate+1

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