Convert AND Cast
Nov 6, 2007
We have a 3rd party application that connects to our SQL 2005 as a external database source.
Our external database has a 'datein' field that for some reason is stored as a varchar(50).
I can use cast to convert the field to datetime, but how would I then format to the yyyy-mm-dd format in the same select statement(using in view)?
I need to convert this field to a format of YYYY-MM-DD in order for the 3rd party application to search on it correctly.
Below is an example of the data --
FieldName = DateIn
DateType = Varchar(50)
2006-07-06
Sep 12 2007 11:16AM
2007-07-19
Oct 2 2007 12:24PM
2007-08-19
Oct 31 2007 8:00PM
Sep 15 2007 9:25AM
2007-08-18
Oct 16 2007 7:01PM
Oct 30 2007 11:15AM
Aug 29 2007 8:54AM
Aug 29 2007 8:38PM
Aug 25 2007 2:33PM
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Aug 15, 2006
Dear Experts,Ok, I hate to ask such a seemingly dumb question, but I'vealready spent far too much time on this. More that Iwould care to admit.In Sql server, how do I simply change a character into a number??????In Oracle, it is:select to_number(20.55)from dualTO_NUMBER(20.55)----------------20.55And we are on with our lives.In sql server, using the Northwinds database:SELECTr.regionid,STR(r.regionid,7,2) as a_string,CONVERT(numeric, STR(r.regionid,7,2)) as a_number,cast ( STR(r.regionid) as int ) as cast_to_numberFROM REGION R1 1.00112 2.00223 3.00334 4.0044SELECTr.regionid,STR(r.regionid,7,2) as a_string,CONVERT(numeric, STR(r.regionid,7,2) ) as a_number,cast (STR(r.regionid,7,2) as numeric ) as cast_to_numberFROM REGION R1 1.00112 2.00223 3.00334 4.0044Str converts from number to string in one motion.Isn't there a simple function in Sql Server to convertfrom string to number?What is the secret?Thanks
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Feb 18, 2008
Hi,I want to turn int to double/decimal in microsoft sqlSHould i use cast or convert?if so, how i do it thanks,
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Mar 15, 2006
I need Query syntax to cast/convert values as follws.
Val.: 00005000010260002180 - Result must be: 5.1.2600.2180
Val.: 00005000000213400001 - Reslut must be : 5.0.2134.1
Dots must also be contained in result
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Oct 8, 2014
Have the following in my SELECT statement, which I'm having issues with when I modify it to include a CAST or a CONVERT.
CONCAT(PER.[PERSON-REF],ROW_NUMBER() OVER (PARTITION BY PER.[PERSON-REF] ORDER BY TEN.[tenancy-ref])) AS 'ID'How do I convert or cast it to a varchar (20)?
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Apr 20, 2007
Can anyone explain in simple terms the difference between cast and convert in SQL?
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Oct 24, 2005
Hi all,
I have a VB 6.0 application that interacts with an MS Access backend. I am in the process of converting it so that it interacts with SQL Server 2000. The current applications uses Cint, CStr, etc. functions which are MS-Access specific, so I am now switching over to Convert (or Cast) function. The problem is that there are certain places wherein I first need to store the value of the resultant CAST/Convert function in a variable and then use that value in a SQL statement. However, I cant seem to figure out a way of storing the results from CAST/CONVERT functions in the VB 6.0 variable. All the examples on Internet show use of these functions directly in an SQL statement e.g. "Select CAST(title as Int) from xyz", etc.
Can anybody tell me how can i get the values to be stored in the variable? I am really stuck here and cant seem to progress.
Thanks in advance for all your help.
Regards:
Prathmesh
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Jul 6, 2014
I have a table with all varchar data for all different fields for money and int etc. I want to do a calcuation in one field with the rule as below:
UPDATE [dbo].[tblPayments]
SET [PreInjuryWage]=
CASE
WHEN [WeekNo]<14
THEN ([MaxWorkCover]+ [WeeklyEarnings] )/0.95
ELSE ([MaxWorkCover] + 0.80 * [WeeklyEarnings] ) /0.80
END
I tried this command after many other ways of tries
UPDATE [dbo].[tblPayments1]
SET [PreInjuryWage]=
CASE
WHEN [WeekNo]<14
THEN CAST ( (cast([MaxWorkCover] as money )+ cast([WeeklyEarnings] as money ))/0.95 AS Varchar(10) )
ELSE CAST ( (convert(money, [MaxWorkCover] + (0.80 * convert(money, [WeeklyEarnings] )) )/0.80 ) as varchar(10))
END
The structure of the table ( its a legacy table from 2000 i beleive)
CREATE TABLE [dbo].[tblPayments](
[PaymentID] [int] IDENTITY(1,1) NOT NULL,
[ClaimID] [int] NOT NULL,
[WeekNo] [smallint] NULL,
[code]....
Arithmetic overflow error converting numeric to data type varchar.
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May 14, 2008
Can anyone tell me what is the difference between Cast and Convert...?
BOL tells me that they provide similar functionality; it doesn't say that they provide the same functionality.
What is the purpose of having both... is the reason historical?
Which one performs better?
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Mar 24, 2008
ToMatch=58
ToNoMatch=1
select @Agg1= Cast(cast(cast(cast(Max(TotMatch) as decimal) / cast((Max(TotNoMatch) + Max(TotMatch)) as decimal)* 100 as int) - 100 as int) as varchar) + '%' FROM #Rpt;
if i try this it is giving me answer in -2%
how i can remove the - sign
also if I try the same statement in different way. well I am going to post in other post.
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May 22, 2008
Hi alll,can anyone tell me that In which cases cast is used in db and what is diff betn cast and convert
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Dec 1, 2000
Hi people,
I am trying to use Aggregate function like count or average on a column which has a datatype Varchar. In order to use avg or count on it , I am doing a cast on it.
If somebody has use Cast/Convert with aggregate function please help me
Thanks
Jesal
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Nov 13, 2013
I have an INT field that I want to take the average value of, to the 2nd decimal. Is there a difference between using CAST vs CONVERT?
CAST
Code:
CAST(Avg(CAST(units AS DECIMAL(10,2))) AS DECIMAL(10,2))
from myTable
CONVERT
Code:
CONVERT(numeric(10,2),avg(CONVERT(numeric(10,2),units)))
from myTable
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Mar 25, 2008
1)Cast(isnull(Partl,0) as smallint)
2) convert(varchar(12),newDate, 101)
what two lines would do. ??
thanks,
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Aug 21, 2006
Hi ,
I have a hexadecimal string value. I want to convert it to Bigint in Sql Server 2005.
The Hexadecimal value is '0x000000000000000F'.
How is it possible to convert into Bigint.
Please help me
Thanks in advance
Srinivas
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May 31, 2015
How do I use the CAST or CONVERT function in the code below, I require a third column (named Diff) which Minus the StartTime from the EndTime and the result is outputted in the third column (named Diff).
Calculation: @Diff = (@EndTime - @StartTime)
I still want the variables (@StartTime and @EndTime) to remain as nvarchar.
The code:
DECLARE @StartTime nvarchar(10) = '12:10';
DECLARE @EndTime nvarchar(10) = '12:30';
DECLARE @Diff time(1) = '00:00';
SELECT @StartTime AS '@StartTime', @EndTime AS '@EndTimes', @Diff AS '@Diff';
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Jul 23, 2005
I have created a SQL Stored Procedure that uses a Case statement todetermine the Order By. For one of the Case statements I am trying toturn a Char field into Datetime in for the Order By, however I can notget it to work. Can someone please take a look and my code below andtell me what I am doing wrong. Thank you.ORDER BYCASE WHEN @SortBy = 'dttm_stamp' THEN dttm_stamp End,CASE WHEN @SortBy = 'Event_Date1' THEN CAST(CONVERT(char(10),Event_Date1,101) as datetime) End,CASE WHEN @SortBy = 'FullName' THEN Emp_lastname + ', ' +Emp_firstname End,CASE WHEN @SortBy = 'FullName Desc' THEN Emp_lastname + ', ' +Emp_firstname End DESC,CASE WHEN @SortBy = 'Emp_SSN' THEN Emp_SSN End
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Nov 7, 2007
I have been having some trouble trying to get the date format YYYYMMDD 00:00:00.00 to convert to MM/DD/YYYY. I am using SQL 2005 and Reporting Services. I attempted several variations to solve this problem as outlined below, with the final working conclusion at the end. I am not saying that this is the BEST or the ONLY way to achieve the solution, but it worked for me.
Code Block
---------------------------------------------------------------------------------------
SELECT DATE_TIME AS DATE1
FROM TRANSLOG
--returns value of 20071027 02:26:24.06
---------------------------------------------------------------------------------------
SELECT CAST(DATE_TIME AS SMALLDATETIME) AS DATE1
FROM TRANSLOG
--returns value of 2007-10-27 02:26:00
---------------------------------------------------------------------------------------
SELECT LEFT(CAST(DATE_TIME AS SMALLDATETIME),11) AS DATE1
FROM TRANSLOG
--returns value of Oct 27 2007
---------------------------------------------------------------------------------------
SELECT CAST(SUBSTRING(DATE_TIME,0,9) AS SMALLDATETIME) AS DATE1
FROM TRANSLOG
--returns value of 2007-10-27 00:00:00
---------------------------------------------------------------------------------------
SELECT CONVERT(VARCHAR(10), DATE_TIME, 103)
FROM TRANSLOG
--although this works with GETDATE(), it does not work with the DATE_TIME field
---------------------------------------------------------------------------------------
SELECT CONVERT(VARCHAR(10), CAST(DATE_TIME AS SMALLDATETIME), 101) AS DATE1
FROM TRANSLOG
--THIS WORKS!!! Displaying 10/27/2007
Hope this helps somebody someday!
-Jody
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Dec 29, 2007
Hi I have a varchar(8000) and currently XML files are stored in varchar(8000).Some times when i am doing manuplactions in my varchar column i am getting with special characters error. so now i want to keep my column varchar(MAX) and when i am doing calculations i will convert my varchar datatype to xml datatype. By doing this i hope there wont be any special character problems.
When i am doing calculations with the wellformed xml i am getting error for both convert and cast methods as below
I am trying to do convert(xml,MyVarcharColumn)
Implicit conversion from data type xml to nvarchar is not allowed. Use the CONVERT function to run this query.
Also i tried with casting and getting same problme. is there any way to convert
please suggest me
Thanks
Dilip
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May 11, 2005
All of my currency columns are only storing 2 decimal places when I insert into the database but when I pull out the data with a SELECT statement, I always get 4 decimal places instead of the 2 that were inserted.
For example:
Database Price SELECT statement Price
100.56 100.5600
I have tried to use the CAST and/or CONVERT commands but I cannot get the output to come out as 100.56. Has anyone had a similar problem?
Thanks
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Apr 16, 2014
i am trying to take a field that has part of a date in it, so I have to parse it out as follows:
SUBSTRING(a1.Field1, 3, 2) + SUBSTRING(a1.Field1,5,2) + '20' + LEFT(a1.Field1,2)
This is because a date of 04/16/2014 will show as 160416 in the first part of the field I need to parse it out of, thus becoming 04162014.
From there I then need to convert this "date" into a legitimate SQL datetime type, so that I can then run a DATEDIFF to compare it to when the record was actually entered, which is a separate field in the table, and already in datetime format.
When I use the below statement, I am getting the message that, "Conversion failed when converting date and/or time from character string."
CAST((SUBSTRING(a1.Field1, 3, 2) + SUBSTRING(a1.Field1,5,2) + '20' + LEFT(a1.Field1,2)) as datetime)
I also tried CONVERT(datetime, (SUBSTRING(a1.Field1, 3, 2) + SUBSTRING(a1.Field1,5,2) + '20' + LEFT(a1.Field1,2)), and got the same message.
how I can parse that field, then convert it to a datetime format for running a DATEDIFF statement?
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Apr 20, 2008
Using OnSelected on the SqlDataSource----here is my currect code:private void On_Load(Object sender, SqlDataSourceCommandEventArgs e){if (e.Command.Parameters["@DueDate"].Value = "NULL"){e.Command.Parameters["@DueDate"].Value = "0000-00-00 00:00:00.000";}}
I am trying to change the value from NULL(in a datetime field) to "0000-00-00 00:00:00.000" for use on the page.Any ideas, suggestions, or thoughts would be greatly appreciated!
,Gary"we truly fail, only when we quit."
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Mar 5, 2007
Hi,
I have dates in "mmddyy" format coming from the sources and they are older dates of mid 80s like 082580 for instance.
When I cast it this way (DT_DBTIMESTAMP) Source_Date , It says ok but throws a runtime error.
When I hardcode a date in same format, (DT_DBTIMESTAMP) "082580" , It becomes red (an indication of syntax error) . Please note that we use double quotes in expressions in Derived Column Transformation; So an anticipation that using double quotes over single ones would be the syntax problem would be wrong.
Any help in this will sincerely be appreciated.
Thanks
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Apr 29, 2008
Hello.
My database stores the decimals in Spanish format; "," (comma) as decimal separator.
I need to convert decimal nvarchar values (with comma as decimal separator) as a decimal or int.
Any Case using CAST or CONVERT, For Decimal or Int gives me the following error:
Error converting data type varchar to numeric
Any knows how to resolve.
Or any knows any parameter or similar, to indicate to the Cast or Convert, that the decimal separator is a comma instead a dot.
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Nov 27, 2015
I have a table that has a DATE field named. AccountingDate that is in the format YYYY-MM-DD. It's not a VARCHAR field. I simply want to convert this date field into the format MM/DD/YYYY and call it New_Accounting_Date.
I've played with various combinations of CAST & CONVERT but haven't been able to get it to work.
Below is my latest effort which returns the error:
Incorrect syntax near the keyword 'as'
What code would work to return a MM/DD/YYYY value for New_Accounting_Date?
Select GLBATCH.AccountingDate,
convert(GLBATCH.AccountingDate as date),101) AS New_Accounting_Date
from GLBATCH
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Jan 16, 2007
Hi
Can anyone tell me how I can CAST these fields AS DECIMAL (19, 2) please?
(SELECT ([Total students] - [withdrawn] - [transferred] - [cancelled]) / [total Students] * 100 AS [Percentage Retained])
Thanks
Daniel
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Dec 14, 2007
I have
CASE
WHEN (a.type_id in (9))
THEN a.duration
ELSE 0 --CAST ( expression AS data_type )
END 'Time'
I need the duration to be displayed if type is 9 only.
so otherwise id ideally want 'N/A' displayed..
but it won't display it as its not an int ..
is there a way i can just display it temporarily
instaed of 0 ?
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Feb 5, 2008
I am having a little trouble with the CAST in my SELECT statement below. Any help is greatly appreciated.
SELECT
group_id_ AS [Group ID],
vendor_id_ AS [Vendor ID] ,
project_id_ [Project ID],
resource_id_ [Resource ID],
vendor_price_ [Old Price],
new_price_ [New Price],
(CAST (new_price_/vendor_price_)-1 AS DECIMAL (4, 2)) AS [Difference]
FROM hbs_vnpq
WHERE (group_id_ = '210') AND (vendor_id_ = '08416') AND (new_price_ >0) AND (vendor_price_ >0)
ORDER BY [Difference]
Server: Msg 1035, Level 15, State 10, Line 7
Incorrect syntax near 'CAST', expected 'AS'.
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Sep 11, 2006
im doing a sum on a table and it either returns a number in decimal format or 'null' . The problem is when it returns null i want it to just make the text say '0.00'. So i did a test on the object that if it returns NULL just print '0.00' but if it is not null it tells me that there is a number there and i want to store that as a decimal and print it out. But i get an error for a type cast when im not it should not even be going to that part of the code. In the code below the first executescaler will return null so it should just go straight to the else. But it gives me the type cast error in the if that shouldnt be seen. The error and code are below. //Borrower NSF FEES
cmd.CommandText = "select sum(itemamount) from postmtdtls where loanid='" + LoanID + "' and Transactioncode = '310'";
object temp = cmd.ExecuteScalar();
if (temp != null)
{
decimal B_NSFFees = ((decimal)cmd.ExecuteScalar());
borrowerPayoff_NSFFees.Text = String.Format("{0:#,#.##}", B_NSFFees).ToString(); //Borrower NSF FEES
}
else
{
borrowerPayoff_NSFFees.Text = "0.00"; //borrowerPayoff_NSFFees.Text = "0.00";
} Server Error in '/WebSite5' Application. Specified cast is not valid. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.InvalidCastException: Specified cast is not valid.Source Error: Line 774: if (temp != null)
Line 775: {
Line 776: decimal B_NSFFees = ((decimal)cmd.ExecuteScalar());
Line 777: borrowerPayoff_NSFFees.Text = String.Format("{0:#,#.##}", B_NSFFees).ToString(); //Borrower NSF FEES
Line 778: }Source File: c:ProgrammingFilesWebSite5InvestorPool.aspx.cs Line: 776 Stack Trace: [InvalidCastException: Specified cast is not valid.]
InvestorPool.GetLoanInfo(String LoanID) in c:ProgrammingFilesWebSite5InvestorPool.aspx.cs:776
InvestorPool.MortAccountText(Object sender, EventArgs e) in c:ProgrammingFilesWebSite5InvestorPool.aspx.cs:660
System.Web.UI.WebControls.TextBox.OnTextChanged(EventArgs e) +75
System.Web.UI.WebControls.TextBox.RaisePostDataChangedEvent() +124
System.Web.UI.WebControls.TextBox.System.Web.UI.IPostBackDataHandler.RaisePostDataChangedEvent() +7
System.Web.UI.Page.RaiseChangedEvents() +138
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4507
Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.42
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Oct 15, 2006
I am pretty new to SQL for SQL Server 2005. In a view I have a column CAST(Field1 as int). Field1 is a varchar.All works well except when the data is not numeric such as a '?' or '*'.How can I get around this, with a case statement, coalese?I only want to perform the CAST on valid numeric values.The valid values in the varchar field are blank, null,'0','1','2','3','4','5','?','*' and maybe othersThanks
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Aug 31, 2007
If I run the following query in SQL Server Management Studio it returns the correct results: (Searching the table for the field "SpecimenID (an INT)" against the data entered (a Text Field - "7575-01") from the submitted form.
SELECT ClinicalID, SpecimenID, PatientID, LabID, Accession, Bacillus, Francisella, Yersinia, Brucella, Burkholderia, Coxiella, Staphylococcus, Other, OtherExplanation, CollectionDate, strddlTransportMedium, strddlSpecimenSource, UserName, Test, SpecimenCount, DateAndTimeFROM ClinicalSpecimenWHERE (SpecimenID = CAST('7575-01' AS VARCHAR(50)))ORDER BY SpecimenID DESCHowever, when I try to use the same logic in the ASPX.VB code behind page, as follows below, I either get an error message (Syntax error converting the varchar value '' to a column of data type int.) or record not found.... Can someone please explain what I am missing here....
MySQL = "SELECT * FROM ClinicalSpecimen WHERE SpecimenID = CAST(('" & AccessionPresent & "') AS VARCHAR(50))"
*"AccessionPresent" is the value of the text field retrieved from the form.
I guess what I am really asking is how can I search for an INT value in a table using a VARCHAR Field.
Thank you for any or all assistance !!!
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May 29, 2008
Hi over there,I hope this question is not too simple, but I didn't manage to figure out why...I would need an explanation for following issue:I'm reading data from a database (MSSQL) and it the column "PersonBirthday" is DBNull.I wanted to prevent the error (Textbox.Text = DBNull) with an IIF. The thing is I get thistypecast exception:"Conversion from type 'DBNull' to type 'Date' is not valid." This code is NOT working, why? txtPersonBirthday.Text = IIf(IsDBNull(.Item("PersonBirthday")) =
True, String.Empty,
CDate(.Item("PersonBirthday")).ToString("yyyy-MM-dd")) When I'm using this code, which is for me obviously the same, just with an if-block it works,and I want to know why - please explain. If IsDBNull(.Item("PersonBirthday")) Then txtPersonBirthday.Text = String.Empty Else txtPersonBirthday.Text = CDate(.Item("PersonBirthday")).ToString("yyyy-MM-dd") End IfThanks in advance,cheers,uquandux If IsDBNull(.Item("PersonBirthday")) Then txtPersonBirthday.Text = String.Empty Else txtPersonBirthday.Text = CDate(.Item("PersonBirthday")).ToString("yyyy-MM-dd") End If
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Sep 16, 2004
Can anyone tell me what varbinary casts to ?? can I do this int[] temp=(int)DataReader["varbinaryColumn"]. Or is byte[] temp the appropiate protocol.
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