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<pre><code id="code-20-36486511-1">DECLARE @columnname varchar(100)
SET @columnname = '31/1/2011'
SELECT CONVERT(datetime, @columnname, 103)		--returns datetime datatype
      ,CONVERT(varchar,CONVERT(datetime, @columnname, 103),101)		--returns varchar datatype
/*Result:
2011-01-31 00:00:00.000			01/31/2011
*/</code></pre>
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DECLARE @columnname varchar(100)
SET @columnname = '31/1/2011'
SELECT CONVERT(datetime, @columnname, 103)		--returns datetime datatype
      ,CONVERT(varchar,CONVERT(datetime, @columnname, 103),101)		--returns varchar datatype
/*Result:
2011-01-31 00:00:00.000			01/31/2011
*/

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Cast (Datefield as datetime)
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Try this <br />

<pre><code id="code-8204816">Declare @sdate as datetime
set @sdate='2011-12-15'  --15th December 2011

Select Convert(nvarchar(11),@sdate,101) as [mm/dd/yyyy]
,Convert(nvarchar(11),@sdate,103) as [dd/mm/yyyy] from [test]</code></pre>
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Try this


Declare @sdate as datetime
set @sdate='2011-12-15'  --15th December 2011

Select Convert(nvarchar(11),@sdate,101) as [mm/dd/yyyy]
,Convert(nvarchar(11),@sdate,103) as [dd/mm/yyyy] from [test]

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<div class="content wysiwyg-content">
I have a column with string format: dd/mm/yyyy<br />
Now I want to convert it to datetime format: mm/dd/yyyy<br />
<br />
How can I do?
</div>
</div>


I have a column with string format: dd/mm/yyyy
Now I want to convert it to datetime format: mm/dd/yyyy

How can I do?

MS SQL 2008 R2, convert datetime in string to datetime format.

Microsoft SQL Server 2008 is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning. Major improvements include the  Always On technologies and support for unstructured data types.