Math Over Datetime In Varchar Format??

Jun 17, 2008

Hello,

I have this column of time values:
00:00:03.3592675
00:00:00
00:00:03.8592515
00:00:03.6873820
00:00:03.8436270
00:00:03.3436430

It is in varchar format. I tried converting it to datetime but get an invalid format error message.

How can I sum up these values and average them out?

Thanks!

--PhB

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SQL Server 2014 :: Varchar Value Conversion To Datetime Format

Apr 8, 2015

I'm trying to convert a varchar value to datetime format but it throwing below error:

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

here is sample query:

declare @test varchar(20)
set @test ='30/04/2015 23:59:59'

select CONVERT(datetime, @test)

One interesting observation above query run fines in Sql 2008 but not in Sql 2014...

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Evaluating Varchar String With Math

Mar 5, 2008

In reference to this thread:

http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=50392

madhivanan asks for sample table data to avoid using a cursor. I could really use this, so here is the table



CREATE TABLE #T (
FORMULA VARCHAR(15),
ANSWER decimal(15,8)
)
INSERT INTO #T SELECT '1', NULL
INSERT INTO #T SELECT '1.0 + 2', NULL
INSERT INTO #T SELECT '1/2', NULL
INSERT INTO #T SELECT '1/2+2', NULL
INSERT INTO #T SELECT '1/(2+2)',NULL
INSERT INTO #T SELECT '3*7.5', NULL
INSERT INTO #T SELECT '3/2*.6-2', NULL
INSERT INTO #T SELECT '(1-1)', NULL

SELECT * FROM #T

-- RUN THE MATH FUNCTIONS, UPDATE THE TABLE'S ANSWER COLUMN WITH THE ANSWER

SELECT * FROM #T

DROP TABLE #T


I would expect this output:

FORMULA ANSWER
====================
1 NULL
1.0 + 2 NULL
1/2 NULL
1/2+2 NULL
1/(2+2) NULL
3*7.5 NULL
3/2*.6-2 NULL

FORMULA ANSWER
====================
1 1.00000000
1.0 + 2 3.00000000
1/2 0.50000000
1/2+2 2.50000000
1/(2+2) 0.25000000
3*7.5 22.50000000
3/2*.6-2 -1.10000000
(1-1) 0.00000000


Any help appreciated, thanks,

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Sep 23, 2007

hi,
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how can i substract 30 days from that date and know the resulting one?
if i have two dates, how can i know what number of hours and minutes are between them (if they are fewer than 24), or what number of days and hours and minutes are (if the difference is grater than 24 hours)
please help me, thanks

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Jan 17, 2008

e.g.

1st March 2005 12:00:00

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01/03/2005 00:00:00

instead of

01/03/2005


Why does this happen?

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Jun 15, 2005

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Please help
 

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Sep 11, 2007

hi,
How do i convert a varchar field into the datetime data type? the reason i need this lies in the requirement that in the earlier data base the column that is hlding the date value is having the data type as varchar. and in the new design the column data type is datetime. i am using sql scripts for the data migration from the older design to the newer and got stuck with this datetime convertion issue. do let me know the best possible solution.

following are the sample data that is theer in the older table for the date.


12/12/2003
1/13/2007
01132004
1-1-2004
1.2.2001



there is no uniformity of the data that is stored currently.



thnkx in adv.
rahul jha

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Nov 5, 2007

Hi,

I am trying to access a date column up to millisecond precession. So I cast date to as follows:



Code BlockCONVERT(varchar(23),CREATE_DATE,121)


I get millisecond part as a result of query but it€™s €œ000€?.

When I try to test the format by using getDate instead of DateTime column I get right milliseconds.





CONVERT(varchar(23),GetDate(),121) --Gives right milliseconds in return

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Apr 20, 2005

Hi:
I have a column call Date_Sent (28/02/2004)(dd/mm/yyyy) format as varchar at beginning. I want to convert to other column as datetime. 
I use Query like:
SELECT
CAST(SUBSTRING(Date_Sent,1,2)as int) + '/' +CAST(SUBSTRING(date_sent,4,2) as int) + '/' +CAST(SUBSTRING(DATE_SENT,7,4) as int)
From MyTable
It is not working, anybody can give me some advise!
thanks!
 
 

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Sep 17, 2007



Hi,

I wanted to convert the varchar to date time and here is what i am doing


DECLARE @dt VARCHAR(20)

SET @dt = '20070111' -- YYYYMMDD format

select CONVERT(datetime, @dt, 120)


This works perfectly fine and the result would be- 2007-01-11 00:00:00.000

But if i changed my datetime format from YYYYMMDD to YYYYMMDDHHMM then this is failing and throwing

"Conversion failed when converting datetime from character string."

Can any one please let me know how do we achieve this?



~Mohan

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Oct 23, 2007



Hi,


I'm facing a small issue with date conversions. It would have been great if someone could help me out. I have a field in my database (SQL Server 2000) called SavDateTime of type varchar(50). I store dates in this field in the format "dd/MM/yy hh:mms". A sample date would be "23/10/2007 10:15:30 AM". Now I need to have an order by for this field, say like,


select * from sample order by SavDateTime desc


When I execute this query I get an error saying "The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value.". I tried using the convert method also like CONVERT(DATETIME,SavDateTime,103), but the problem still exists. It would have been helpful if you could provide me with a solution to this problem.



Thanks & Regards,
Frens

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Apr 12, 2005

I have a textbox that is receiving a date in the format  mm/dd/yyyy.  The field in the database is VarChar size 10.  I purposely don't want to use the DateTime data type for various reasons.  When I extract the text from that textbox:
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I do my INSERT.  When I look in the database at that field, it shows up like:April 11, 2005 12
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Aug 8, 2006

hi, good day, if i have a table as follow:

Create table test
(
student_name varchar(20),
student id varchar(20),
register_dt varchar(50)
)


and insert data like


insert into test values('rebecca','0001','2006-08-08 12:15:03')


after all , i would like to query the data and insert into another table say data_tbl where it define as follow

Create table data_tbl
(

student_name varchar(20),
student id varchar(20),
register_dt datetime
)


would the test table regiter_dt auto convert into datetime format or we need to convert it before insert into data_tbl table?

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Jan 21, 2012

Below is my query.Its working great if i remove ,Cast(C.ClassTime as time) as StartDate.But when i use this i get an error as The conversion of a varchar data type to a datetime data type resulted in an out-of-range value My ClassName is a varchar.Whose definition i cant change to DateTime now.But i want to cast it to DateTime.

Code:
Select C.ClassID as Appointment_Id,C.ClassName as Appoitment_Descr,Cast(C.ClassTime as time) as StartDate,C.EndClassTime as EndDate, 'Class' as Type
From Dojo D inner join DojoClass C on D.SchoolID = C.DojoSchoolID
Where D.SchoolID = @DojoID
and C.Days like'%' + @Days + '%'
Union
Select E.DojoEventID as Appointment_Id,E.EventName as Appoitment_Descr , E.EventStartDate as StartDate , E.EventEndDate as EndDate,'Event' as Type
From Dojo D inner join DojoEvent E on E.DojoID = D.SchoolID
Where D.SchoolID = @DojoID and @Date
Between E.EventStartDate and E.EventEndDate

how can i cast it correctly?

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Oct 2, 2014

I can't get a varchar to datetime conversion to work. The varchar data is in the form yyyymmddhhmi

I tried convert(datetime, '200508310926')

also tried cast('200508310926' as datetime) both have error "Conversion failed when converting date and/or time from character string"

Is there a format code that needs to be there? If so, I can't figure out what it should be.

I eventually need to convert these to dates and compare them to getdate, example:

...where convert(datetime, dtfield) >= getdate()-1

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May 27, 2008

Hi All,

I have a table called Table1 with a field Date (varchar type). The records are like this;

05/21/08
07/02/08
06/04/08
06/10/08


I want to convert the above into datetime (yyyy-mm-dd format)....in the above example my output should be;

2008-05-21
2008-07-02
2008-06-04
2008-06-10

How can i do this?

Please help.

Zee...

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Jun 19, 2014

I have a column on my table with the varchar(50) datatype. The whole column has the value 2014-04-31

I want to Convert the varchar(50)datatype to datetime datatype.

The table name is called - dbo.pracs

the column name is - LastDatUpaded

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Dec 14, 2007

I have this procedure and it can't convert this date to datetime type:

Exec scnr.prc_tblScannersReemplazarClasificacion
'CERVEZA ',
'CERVEZA',
'ENV VAC ',
'ENVASE VACIO',
'NULL',
'NO aplica',
'NULL',
'NO aplica',
'1-8-2007',
'10-12-2007',
'ISCRacajina';

and after that i tried to execute it, but I changed the date like next:

Exec scnr.prc_tblScannersReemplazarClasificacion
'CERVEZA ',
'CERVEZA',
'ENV VAC ',
'ENVASE VACIO',
'NULL',
'NO aplica',
'NULL',
'NO aplica',
'8-1-2007',
'12-10-2007',
'ISCRacajina';

and the procedure reseive this parameter:

CREATE PROCEDURE scnr.prc_tblScannersReemplazarClasificacion(@tipoclasificacion varchar(200),
@categoriaV varchar(200),
@categoriaN varchar(200),
@subcategoriaV varchar(200),
@subcategoriaN varchar(200),
@tipoV varchar(200),
@tipoN varchar(200),
@subtipoV varchar(200),
@subtipoN varchar(200),
@fechascanner datetime,
@fechaingreso datetime,
@usuarioscanner varchar(200) )


The error is:
Msg 8114, Level 16, State 5, Procedure prc_tblScannersReemplazarClasificacion, Line 0
Error converting data type varchar to datetime.

Why can't this procedure reseive these dates?
What can I do?

Help me...

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Mar 13, 2008

Hello,

I'm trying to CONVERT some DateTime column to VarChar in the SELECT part but still do a DateTime ORDER BY while using a UNION.

In other words, does anyone know how to make this work:


create table #temp1 (
d datetime
)

create table #temp2 (
d datetime
)

insert into #temp1(d)
select '2001-12-12' union
select '2002-11-11'

insert into #temp2(d)
select '2003-10-10' union
select '2004-09-09'


--works fine-------------------------------
select convert(varchar, d, 101) dd from #temp1
order by d
-------------------------------------------



--but can't make this work-------------------

select convert(varchar, d, 101) dd from #temp1
union select convert(varchar, d, 101) dd from #temp2

order by dd -- wrong type of sorting

--order by d-- error

--order by cast(dd as datetime) -- error

-------------------------------------------

drop table #temp1
drop table #temp2


I would really appreciate your help.

Thanks in advance,
Thomas

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Apr 10, 2008

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Feb 22, 2008



Hi,
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Could someone please show me how I write this in my script.
Thanks

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Aug 22, 2007




declare @a varchar(10)
select @a= shiftstarttime from o_parameter
print @a

declare @b varchar(10)
select @b= shiftendtime from o_parameter
print @b


declare @dt varchar(20)
set @dt=Left(getdate(),12)

print @dt

declare @dt1 varchar(20)
set @dt1=Left(dateadd(dd, 1,getdate()),12)
print @dt1

declare @dt3 varchar(20)

set @dt3= @dt1 + space(0) + @a

print @dt3

declare @dt4 varchar(20)

set @dt4= @dt + space(0) + @b

print @dt4




output of above script is as fallow
09.30am
06.30pm
Aug 22 2007
Aug 23 2007
Aug 23 2007 09.30am
Aug 22 2007 06.30pm

now i want to convert @dt3 and @dt4 into datetime .

because i wnat to calculate datedifference in hours by using this function
SET @in_hour=DATEDIFF (HH ,@D1,@D2)

where @D1 and @D2 are datetime parameters.

but how can i get @dt3 and @dt4 into datetime so i can pass it to DATEDIFF() function.

so plz Guide me. or if u know how to write it then plz write here

i already use cast for it but it doesn't work.

so plz reply urgently.








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Jan 30, 2008

Basically, I'm trying to take two dates and find the difference in hours b/t the two, sql server 2000. I've tried change the variables out from datetime to varchars even though it shouldn't matter. When I put the block of code out of the stored procedure and run it in line it works fine, I'M LOST.........

I get the errors everytime it runs into the first block, I get the error again when the block is hit again farther down in the procedure. I get:

Server: Msg 242, Level 16, State 3, Procedure tmpRyan_spRail_Job_NoMovement, Line 211
The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value.
Server: Msg 242, Level 16, State 1, Procedure tmpRyan_spRail_Job_NoMovement, Line 360
The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value.
ERR dates Aug 4 2005 11:16PM.
Server: Msg 242, Level 16, State 3, Procedure tmpRyan_spRail_Job_NoMovement, Line 211
The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value.
Server: Msg 242, Level 16, State 1, Procedure tmpRyan_spRail_Job_NoMovement, Line 360
The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value.
ERR dates Aug 3 2005 12:35PM.
Server: Msg 241, Level 16, State 1, Procedure tmpRyan_spRail_Job_NoMovement, Line 211
Syntax error converting datetime from character string.

Code:

Declare
,@CodePair varchar(10
,@CodePairTimeDiff dec ,
@tmpTimeVar datetime ,
@tmpTimeCharVar varchar(30)


IF @NextStatusDate IS NOT NULL AND @StatusDate IS NOT NULL
BEGIN
set @tmpTimeCharVar = DATEDIFF(SECOND, @NextSTatusDate, @StatusDate)
set @tmpTimeVar =
(
CASE WHEN @tmpTimeCharVar/3600<10 THEN '0' ELSE '' END
+ RTRIM(DATEDIFF(SECOND,@NextSTatusDate, @StatusDate)/3600)
+ ':' + RIGHT('0'+RTRIM((@tmpTimeCharVar % 3600) / 60),2)
+ ':' + RIGHT('0'+RTRIM((@tmpTimeCharVar % 3600) % 60),2)
)
END
IF @@ERROR <>0
PRINT 'ERR dates' + Convert(varchar(20), @NextStatusDate) + '.'


inside update statement

,CodePairTimeDiff = CONVERT(dec, (100 * DATEPART(HOUR, @tmpTimeVar)
+ DATEPART(MINUTE, @tmpTimeVar))) / 60

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Hi everyone.

I know, I know, it should have been a datetime from the start...but here's the problem.

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Cheers
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5-Oct
8/8/2006
9
.
`06/27/2006
12505
1/9/2007
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Feb 16, 2007

Hi,
It is not exactly what I stated in the subject - It's an outcome - exception thrown while executing non-query command.
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I am using dataset designer to create table adapters and build queries. Then I simply use objectdatasource component that uses one of the table adapters and bind it to for example a detailsview control.
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