Casting Or Converting Smallint Datatype To Datetime

Sep 8, 2007

A SQL Server 2005 db has three date related-columns (MonthGiven,
DayGiven, YearGiven) each as smallint datatype.  I would like to
create a DocDate column (datetime datatype) that combines the data from
the three existing date-related columns.  I have tried casting and
simple concatentation without success. 
ALTER TABLE Details ADD DocDate DateTime NULL



UPDATE Details SET DocDate = CAST(MonthGiven AS DateTime)+ '/' + CAST(DayGiven AS DateTime) + "/" Cast(YearGiven As DateTime)


I think I need to be doing a Conversion instead of casting but
have been unable to implement info I have found in the SQL Server
Developer Center in my situation.

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Converting/Casting Strings Into Datetime Datatype

Aug 10, 2007

Hello,

I have a varchar column that inludes dates in the following fomat: 03032007? When I try to cast this to datetime, I keep getting "Arithmetic overflow error converting expression to data type datetime." error. Maybe someone has some ideas how to handle this?


Thanks!

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Jul 19, 2014

I have a column which has 05MAY2006:04:34:00.000000 it is stored as varchar(25). I need to save it as datetime in the same column. I have tried using

update tablename
set columnname = (SUBSTRING(columnname,1,2) + '-' + SUBSTRING(columnname,3,3) + '-' +
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and then

alter table tablename

alter columnname datetime;

but later it shows up the error

Msg 242, Level 16, State 3, Line 1

The conversion of a varchar data type to a datetime data type resulted in an out-of-range value.

How do I change it any other opinion or any modification for the above query.

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Jul 13, 2004

Hi,

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pls help on the same!!

Thanks
Cheriyan.

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Jul 20, 2005

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Feb 15, 2006

I have a dbfield which holds a smallint value for the time eg. 1406 . I have to add this value to a datetime value in another field but need the result as a datetime value.
The result would be time(int) + date(datetime) = datetime(datetime).
I need this to compare the hours between delivery and dispatch.
Thanks for your help
P

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Jun 10, 2015

Biz talk server executes every query twice, first with FMT only to get metadata.If metadata changed, it will produce error.Now, i have query like:

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How SQL decide the type of column in #tmp? Does it create column of the same type as it is in dbo.myTable or its decision is based on result?For example, col1 is varchar(20), but col1 in #tmp will be varchar(200) or even nVarChar.Col2 is INT, but result is for example low number(like, 1,2,3,) - is it possible that col2 in #temp table will be smallint or tinyint even if col2 in myTable is INT.If that is true one way to overcome that will be to explicitly CAST all columns to proper data type. Is there any performance impact of casting: CAST(col1 as VARCHAR(20)) if col1 is already varchar(20) in dbo.myTable?

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Apr 21, 2006

Here is my expression in a derived component:

"Failed insert into PONL_WELL. WELL_NO=" + (DT_WSTR,10)PROP_NO

PROP_NO comes from ms sql server , and the derived component datatype for this column is DT_WSTR.

The destination will be ms sql server, and i have a data conversion after the derived component to cast from DT_WSTR to DT_STR.

However, the derived component failed everytime giving me

Error: 0xC0049064 at Load Ponl_Well, Derived Column [1342]: An error occurred while attempting to perform a type cast.

Anyone know how i can eliminate the data conversion component and just do my string and column concatenation in the derived column and have it output as DT_STR?

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Apr 28, 2004

I realize that the CASE statement doesn't like different datatypes as return values but if I want to format the "0" in the second WHEN condition below to "000", how do I do that? I have a "Region" that is "000" and would like it to show up that way at the very top of my report. I have the GROUP BY and ORDER BY to work fine, it just shows up as "0" and I can't change it. I realize it is being read as an int but am having trouble with the CAST and where to place it. Thanks again, you guys are great.

ddave


SELECT Region =
CASE WHEN branch_num IN(48,53,78,173,186,198,208,212,257,286,287,317,35 3,398,440,
478,571,572,610,1069) THEN 44
WHEN branch_num IN(484,532,841,864,7001,7101,7102,7103,7104,9031) THEN 0
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Nov 13, 2007

Hi all,

I'm trying Insert data using INSERT INTO kind of like below

INSERT INTO table1(

col1
col2
col3
col4)
SELECT

col1
col2
col3
col4
FROM

Server.DB.table2


say, col3 from table 1 is numeric (28,8) and col3 from table 2 is float.

how do I cast this so it works??

thank you!

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Mar 24, 2008

TotMatch =58
ToNOMatch=1


select @Agg = Cast(cast(cast(Max(TotMatch) as decimal) / cast((Max(TotNoMatch) + Max(TotMatch)) as decimal)* 100 as int) as varchar) + '%' FROM #Rpt;
select @Agg1= Cast(cast(cast(Max(TotNoMatch) as decimal) / cast((Max(TotNoMatch) + Max(TotMatch)) as decimal)* 100 as int) as varchar) + '%' FROM #Rpt;


Now what i am doing finding the percentage of total match
and then
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but when i get the answr.

@Agg=98
@Agg1=1.

so there is deficit of 1. how i can fix that.

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Mar 5, 2008

I would expect this query:



select

case when cast(DT as int) = cast(cast(DT as float) as int)

then 'Consistent'

else 'Inconsistent'

end

from (select cast('27 Jan 2008 13:00' as datetime) as DT) X


to always return 'Consistent'. My expectation is not satisfied; the question is, is it unfounded?

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Sep 17, 2003

Database is SQL Server 2000

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What is the syntax to convert char(6) to datetime?

Thank you in advance.

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Dec 15, 2005

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Jul 24, 2006

Hello!



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CAST(@variable as decimal(21,4)) or CONVERT(decimal(21,4),@variable)
because of the following error: "Arithmetic overflow error converting
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Thanks for giving me any advice,

Ziga

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Jan 18, 2000

Hello!
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What I'm doing wrong?

Thanks a lot.

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Can anyone please give me a hint?????

Thanks in advance.

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Hi,
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Code:

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