Date Conversion Error

Hi

When i Execute the Below Query its id Displaying the  2012 year dates also

SELECT  CONVERT(VARCHAR(8), s.CREATED_TIME,3) as day from  Table1 s
             WHERE       CONVERT(VARCHAR(8), s.created_time, 3)
 between CONVERT(VARCHAR(8), '13/09/11', 3)  and  CONVERT(VARCHAR(8), '20/09/11', 3) order by created_time
 
Created_time datatype id datetime
in the Database its is storing as the  these format:2011-09-13 12:11:00.000
2011-09-14 14:22:50.950
2011-09-14 14:36:14.267


Out Put
13/09/11
13/09/11
14/09/11
14/09/11
14/09/11
14/09/11
14/09/11
14/09/11
16/09/11
16/09/11
16/09/11
16/09/11
16/09/11
16/09/11
16/09/11
16/09/11
16/09/11
20/09/11
20/09/11
20/09/11
20/09/11
20/09/11
20/09/11
20/09/11
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
17/01/12
18/01/12
18/01/12
18/01/12
18/01/12
18/01/12
18/01/12
18/01/12
18/01/12
18/01/12
18/01/12
18/01/12
18/01/12
19/01/12
19/01/12
19/01/12
19/01/12
19/01/12
19/01/12
19/01/12
19/01/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12
17/02/12


Please suggest !!

Thanks
Raj
nrajasekhar7Asked:
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Lee SavidgeCommented:
You're converting to a string and comparing.

Try this:

SELECT  CONVERT(VARCHAR(8), s.CREATED_TIME,3) as day from  Table1 s
             WHERE       created_time
 between cast(CONVERT(VARCHAR(8), '13/09/11', 3)  as datetime) and  cast(CONVERT(VARCHAR(8), '20/09/11', 3) as datetime) order by created_time

I'm assuming created_time is a datetime field.
0
Lee SavidgeCommented:
Or...

SELECT  CONVERT(VARCHAR(8), s.CREATED_TIME,3) as day from  Table1 s
             WHERE       created_time
 between cast('13 September 2011' as datetime) and  cast('20 September 2011 as datetime) order by created_time
0

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CluskittCommented:
To avoid incompatibilities, I always use 'yyyyMMdd' format. You can try this:
WHERE       CONVERT(VARCHAR(8), s.created_time, 112)
 between '20110913' and '20110920'

You don't even need to convert your field to 112. SQL does an implicit conversion.
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BuggyCoderCommented:
SELECT  CONVERT(VARCHAR(8), s.CREATED_TIME,3) as day from  Table1 s
WHERE  created_time between CONVERT(datetime, '13/09/11', 103) and  CONVERT(datetime, '20/09/11', 103) order by created_time

Open in new window

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Lee SavidgeCommented:
SQL does do implicit conversions, but explicit conversions are better in my opinion as at least you control the conversion and you don't rely on something to do it for you. We all know how much a nightmare date handling is because of the differing formats regardless of how good SQL's date handling system is.
0
CluskittCommented:
That's why I use 112. DateField='20120301' is the same thing as DateField=CONVERT(datetime,'20120301'). And you have the exact same control over it without the explicit conversion and with it.
As a general rule, you should always use explicit conversions. But in this particular case, there is no difference, unless your date field isn't a date either.
And the yyyyMMdd format is the only one I found that is, so far, fully universal.
0
nrajasekhar7Author Commented:
Thanks You very Much  ,It works
0
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