Help Me With Derived Column Transformation

Mar 14, 2007

I have this expression
(Registered_Units == Limited_Units) ? 0 : (Painted_Units / (Registered_Units - Limited_Units)) * 100)

It gives me 0.00, although those 3 columns have values.

if I cast it like this

(Registered_Units == Limited_Units) ? 0 : ((((DT_DECIMAL,2)Painted_Units) / ((DT_DECIMAL,2) (Registered_Units - Limited_Units))) * 100)

It gives me correct answer in whole number but .00 after decimal.


Any clue how to fix it ?

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Cast/Convert Mmddyy In String To New DB_DATETIMESTAMP Column In Derived Column Transformation

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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Help In Derived Column Transformation

Nov 3, 2007

Hi All

I m designing SSIS having Data Flow as

Flat File > Derived Column Transformation > Destination Table

but while transfering record from text file to table i need some logic here

my text file is
"ID"|"Name"
1012|"10AA"
1013|"10BB"

logic is 10 should be replace by variable VID = 98

I defined this veriable as int

My ID column in database is int and Name column is varchar(50)

I try here expression like
ID != 98 ? @[User::VID] : ID
it work fine

but for varchar column I am not able to do
I got error when i write expression
SUBSTRING(Name,1,2) != "98" ? [DT_STR, 50, 1252] "(@[User::VID])" + rest of value of column : [Name]

my final output in table should be like
ID..Name
98..98AA
98..98BB


Please help me out

T.I.A

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Derived Column Transformation

Sep 20, 2007

Hello.
I am using Derived Column transformation for calculating the age of individual and then adding the column to my final destination. In SQL, the DOB is varchar(50) and the output column I am creating should be Integer.
Here is the expression I am using for calculating the age:
(DATEDIFF("DAY",(DT_DBTIMESTAMP)TRIM(DOB),(DT_DBTIMESTAMP)TRIM([Service Date])) / 365.25)

In SQL, I have no problems getting the age of a person, but I am having difficulties using Derived Column Transformation.
I get the following error when executing my package:

Error: 0xC0049067 at Data Flow Task, Derived Column [2086]: An error occurred while evaluating the function.Error: 0xC0209029 at Data Flow Task, Derived Column [2086]: SSIS Error Code DTS_E_INDUCEDTRANSFORMFAILUREONERROR. The "component "Derived Column" (2086)" failed because error code 0xC0049067 occurred, and the error row disposition on "output column "_AGE" (2877)" specifies failure on error. An error occurred on the specified object of the specified component. There may be error messages posted before this with more information about the failure.

Any assistnace would be greatly appreciated.

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Derived Column Transformation

Oct 15, 2007

I would like to transform trans_type

if transtype =1 then Y
if trasntype = 2 then N
if transtype = 3 then U

What is the correct syntax to do this in derived column editor?

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Derived Column Transformation Editor

May 8, 2008

Greetings, I am attempting to create a flat file delimited by |. I am using (ISNULL(LIN1_OPT_ADDR) ? "" : LIN1_OPT_ADDR + "| ") to replace the blank address column with the pipe delimiter. So that a row that would consist of:

Customer Number,Name,Address Line1,City,State

12345,ACE HARDWARE INC. ,801 Rockefeller St.,New York, New York
56789,BUILDING SUPPLY INC., ,Wichita, Kansas

Should end up as:

12345|ACE HARDWARE INC.|801 Rockefeller St.|NEW YORK|NEW YORK
56789|BUILDING SUPPLY INC.||Wichita|Kansas

When I run the data flow to create the flat file the file contains the following:


12345|ACE HARDWARE INC.|801 Rockefeller St.|NEW YORK|NEW YORK
56789|BUILDING SUPPLY INC.| | |Wichita|Kansas


Can anyone tell me what I am doing wrong?

Thanks.

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Change Value Using A Derived Column Transformation

May 7, 2008

I am trying to change the value from "T" to "A" in trans_type column based on the value in Transfer_of_Provider column..

I like to change "T" to "A" if the value of Transfer_of_provider column is "Y".

"Transfer_of_provider" coulmn has NULL value..

I've used the below logic to do that... but becuase of NULL value in "Transfer_of_provider" column .. it keep giving me a truncation error..

TRans_type = (ISNULL(Transfer_Of_Provider) ? "N" : Transfer_Of_Provider) == "Y" ? "'T" : "A"



How can I make this work?

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Derived Column Transformation - Error

Aug 24, 2007

Can i call the FUNCTION within another FUNCTION

Like SUBSTRING(CHECK_NO,2,LEN(CHECK_NO) - 1) ???


I am reading the Check_No "1234321" from the flat file. The file holds all the value within double quote and values are sepearated by comma.

Objective: I am trying to elimiate the double quote using "Dervied Column'.

Strange: The above FUNCTION is working fine while construct the SQL Query.

Pls help me. Thank you.

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Error On Derived Column Transformation

May 20, 2008


Hi all€”Given a date field called [Reading Date] and a time field called [Reading Time], I am attempting to use the following transformation on the field to test for nulls and combine the data into a single field called [Reading Date/Time]:

(DT_WSTR)([Reading Date]== "") || ISNULL([Reading Date]) || (DT_WSTR)([Reading Time]== "") || ISNULL([Reading Time])? (DT_DBDATE)GETDATE() : (DT_DATE)(SUBSTRING((DT_WSTR,8)[Reading Date],5,2) + "/" + SUBSTRING((DT_WSTR,8)[Reading Date],7,2) + "/" + SUBSTRING((DT_WSTR,8)[Reading Date],1,4) + " " + SUBSTRING((DT_WSTR,8)[Reading Date],1,8))

I get the following error:

Error at Data Flow Task [Derived Column1[177]]: Attempt to parse the expression "(DT_WSTR)([Reading Date]== "") || ISNULL([Reading Date]) || (DT_WSTR)([Reading Time]== "") || ISNULL([Reading Time])? (DT_DBDATE)GETDATE() : (DT_DATE)(SUBSTRING((DT_WSTR,8)[Reading Date],5,2) + "/" + SUBSTRING((DT_WSTR,8)[Reading Date],7,2) + "/" + SUBSTRING((DT_WSTR,8)[Reading Date],1,4) + " " + SUBSTRING((DT_WSTR,8)[Reading Date],1,8))" failed. The expression might contain an invalid token, an incomplete token, or an invalid element. It might not be well-formed or might be missing part of a required element such as a parenthesis.

Here is a sample [Reading Date]:
05/07/08

Here is a sample [Reading Time]:
19:45:48

I need to be able to handle exceptions if one or both contain NULL or no data at all. Any suggestions on how to fix this?

Thanks,
Jon

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Derived Column Transformation Expression

Mar 7, 2006

Hi.

I am using the following expression to check if the first charcter of a string is not the letter "E" and if it is, strip it off by selecting the remainder of the string:

SUBSTRING([Derv.comno],1,1) == "E" ? SUBSTRING([Derv.comno],2,10) : [Derv.comno]

This is ok in 99.9% of cases, but ideally I would like to be able to check, and alter the string if the first charcter is anything but numeric

I had something like this in mind:

SUBSTRING([Derv.comno],1,1) != ("1","2","3") ? SUBSTRING([Derv.comno],2,10) : [Derv.comno] 

but the syntax is incorrect.

Could you tell me if what I am attempting is actually possible, and if so, point me in the right direction regarding the syntax!

Thanks

 

 

 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

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SSIS - Derived Column Transformation

Feb 7, 2008

Hello All,

Can someone help me out in providing the STEPS to solve this problem. My scneario is, I've a table which has got 2 fields and 5 default row values have been filled in. Now, using the above, duirng package runtime, it need to dynamically create additional field and has to store values like for.e.g (0001 America). I'm getting the following error while executing the ssis package.

1. [DTS.Pipeline] Warning: Component "Derived Column" (1170) has been removed from the Data Flow task because its output is not used and its inputs have no side effects. If the component is required, then the HasSideEffects property on at least one of its inputs should be set to true, or its output should be connected to something.
2. [DTS.Pipeline] Warning: Source "OLE DB Source Output" (87) will not be read because none of its data ever becomes visible outside the Data Flow Task.

Please suggest with your valuable solution at the earliest.

Thanks
Vaiydeyanathan.V.S

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Round Function In Derived Column Transformation

Oct 31, 2007

Can somebody please help me with the implementation of a logic in round off to the left of a decimal point.
Something like this in excel "=ROUND(x/12*31%,-2)" is to be implemented in SSIS. The Round function in the derived column is not permitting -2 for the length parameter. Please help

Value x Excel SSIS
627900 16200 16221
187000 4800 4831
277760 7200 7175
763000 19700 19711
1387500 35800 35844
1465200 37900 37851
2725000 70400 70396
292800 7600 7564
317200 8200 8194

The table lists the values for X in the formula and the respective result calculated by Excel. I would want SSIS to give the same results like excel is giving. Please help me to make it work.

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Derived Column Transformation Editor Question

Aug 30, 2006

Help...

I'm having trouble coming up with a valid expression in my derived column transformation editor that tests the input column for NULL and responds something like this:

if[message] isNull then "NA" else [message]

where [message] is the input column.

Thanks!





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Using User Variables In Derived Column Transformation

Apr 24, 2006

My derived column transformation with a user variable expression displays the user variable's default and not its assignned value.

Background: I built a script component that seems to effectively assign a new value to a user variable. I use local variables within the component, make the assignment in the PostExecute subroutine, and check by writing the user variable to a messagebox there.

In the derived column transformation I create a new column and insert the user variable in its expression field, add a data viewer, and send it to a data destination. The data viewer shows the user variable default and not the assignned value.

I replaced the user variable with a system variable in the expression field and that works fine.

Have folks successfully used this scenario before? Any ideas? Thanks.



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Round Function In Derived Column Transformation

Oct 31, 2007

Can somebody please help me with the implementation of a logic in round off to the left of a decimal point.
Something like this in excel "=ROUND(x/12*31%,-2)" is to be implemented in SSIS. The Round function in the derived column is not permitting -2 for the length parameter. Please help

Value x Excel SSIS
627900 16200 16221
187000 4800 4831
277760 7200 7175
763000 19700 19711
1387500 35800 35844
1465200 37900 37851
2725000 70400 70396
292800 7600 7564
317200 8200 8194

The table lists the values for X in the formula and the respective result calculated by Excel. I would want SSIS to give the same results like excel is giving. Please help me to make it work.

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Importing Dates Using Derived Column Transformation

Aug 6, 2007

Hi All

I've got a flatfile which contains a column SALEDATE with this data
20070802
''
20070804
''
20070805
20070901

I've got a table with a column SALEDATE datetime.
I use a derived column with this expression

SALEDATE <add as new column> (DT_DBDATE)(SUBSTRING(SaleDate,1,4) + "-" + SUBSTRING(SaleDate,5,2) + "-" + SUBSTRING(SaleDate,7,2)) database date [DT_DBDATE]


This expression fails whenever it comes across a blank field.
How can evaluate my expression to insert a null if it comes across a blank field?

Thank You

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Derived Column Transformation Editor Question

Aug 30, 2006

Help...

I'm having trouble coming up with a valid expression in my derived column transformation editor that tests the input column for NULL and responds something like this:

if[message] isNull then "NA" else [message]

where [message] is the input column.

Thanks!





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Passing Variable To Derived Column Transformation

May 11, 2007

I am trying to pass a variable set by a Row count transformation to a derived column transformation. There are actually three separate Row Count transformations storing to different variables. In the derived column trans. the expression i am using is @[User::ClientCount] and the variable type is Int32 and I am passing it to an I4 database column. After the derived column trans. all rows just come out with 0s in the row count columns. Does anyone know why this would be? Please let me know if you need more information.

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SSIS - Derived Column Transformation Editor Expression

Aug 23, 2007

I am trying to put the following as an expression in the SSIS Derived Column Transformation Editor.

DATEADD(DAY, DATEDIFF(DAY, 0, GETDATE()), 0)

It is not allowing it. This works fine in a regular SQL statement.

Does anyone know how I can get this to work?

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How To Assign Null In Derived Column Transformation Editor

Mar 28, 2007

Dear friends, can any one tell me how to assign null to the expression value in derived column transfromation editor?

thanks,

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Major Problem With REPLACE-expression In The Derived Column Transformation

Apr 26, 2006

I'm importing a csv-file delimited with semicolons. Firstly I LTRIM the columns "in place" and the data imports fine. All the numbers in right columns in the target table. Then I add another Derived Colum Transformation to replace decimal character comma (,) to a dot (.) in order to convert the string/varchar value to numeric. But here I run into trouble. Running the task ends in success but the result in the target table (same as above) is not. All the commas are now dots as expected but what is worse is that SSIS have added values in cells that should not be there. I get values in cells that shoud be empty!

Shortly: Only LTRIM([Column1]) as expression and "Derived Column" as Replace 'Column1' works OK.

But adding REPLACE-expression (i.e REPLACE(LTRIM([Column1]) , "," , ".") to this breaks things up

I'm aware that I could do this with SQL but this is not the point...

Any ideas?

BR Jompe

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Integration Services :: Derived Column Transformation - Concatenation Of Two Fields

Jun 4, 2015

I have the following 2 fields that are sourced from an Excel spreadsheet

DocNumber - a 10 digit number
PostingRow - a number between 1 and 999

I would like to produce a new column that is a concatenation of these two fields, but the PostingRow needs to be a 3 digit number eg. 1000256153-001 ....

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Ho Do I Get The Details From A DTS Transform Data Task Into An SSIS Derived Column Transformation?

Mar 7, 2008

i have too many DTS packages to migrate to SSIS, and while examining a DTS package in BIDS (converted with the migration utility) i tried to edit the resulting migrated package, which opened the DTS interface with the two connection icons joined by the big fat arrow with a gear on it...not exactly what i had in mind, iow, it looks like SSIS on the outside, but its still DTS on the inside.
So I stripped out a series of components from a more complex package hoping that simplifying it would reveal the contents of old DTS Transformations tab at least partially set up in a Derived Column transformation.
Can i get there from here, or must i recreate every stinking definition in a derived column manually from the ground up?
thanks very much for your help

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SQL Server 2008 :: SSIS Derived Column Transformation Failing On Converting Blank Rows

Jul 30, 2015

I have flat file source from which data is imported to a Sql table.The target column is int and input column is string .The column has some numeric values and some blank values.when I tried to convert into int values it fails.

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Function That Works In Sql Server Management Studio Does Not Work In Derived Column Transformation Editor

May 12, 2007

Hi

I'm a relative SQL Server newbee and have developed a function that converts mm/dd/yyyy to yyy/mm/dd for use as in a DT_DBDATE format for insert into a column with smalldatatime.



I receive the following erros when using the function in the Derived Column Transformation Editor. First, the function, then the error when using it as the expression Derived Column Transformation Editor.



Can anyone explain how I can do this transformation work in this context or suggest a way either do the transformation easier or avoid it altogerher?



Thanks for the look see...

******************************

ALTER FUNCTION [dbo].[convdate]

(

@indate nvarchar(10)

)

RETURNS nvarchar(10)

AS

BEGIN

-- Declare the return variable here

DECLARE @outdate nvarchar(10)

set @outdate =

substring(@indate,patindex('%[1,2][0-9][0-9][0-9]%',@indate),4)+'/'+

substring(@indate,patindex('%[-,1][0-9][/]%',@indate),2)+'/'+

substring(@indate,patindex('%[2,3][0,1,8,9][/]%',@indate),2)



RETURN @outdate

END

********************************



And the error...



expression "lipper.dbo.convdate(eomdate)" failed. The token "." at line number "1", character number "11" was not recognized. The expression cannot be parsed because it contains invalid elements at the location specified.

Error at Data Flow Task [Derived Column [111]]: Cannot parse the expression "lipper.dbo.convdate(eomdate)". The expression was not valid, or there is an out-of-memory error.

Error at Data Flow Task [Derived Column [111]]: The expression "lipper.dbo.convdate(eomdate)" on "input column "eomdate" (165)" is not valid.

Error at Data Flow Task [Derived Column [111]]: Failed to set property "Expression" on "input column "eomdate" (165)".

(Microsoft Visual Studio)

===================================

Exception from HRESULT: 0xC0204006 (Microsoft.SqlServer.DTSPipelineWrap)

------------------------------
Program Location:

at Microsoft.SqlServer.Dts.Pipeline.Wrapper.CManagedComponentWrapperClass.SetInputColumnProperty(Int32 lInputID, Int32 lInputColumnID, String PropertyName, Object vValue)
at Microsoft.DataTransformationServices.Design.DtsDerivedColumnComponentUI.SaveColumns(ColumnInfo[] colNames, String[] inputColumnNames, String[] expressions, String[] dataTypes, String[] lengths, String[] precisions, String[] scales, String[] codePages)
at Microsoft.DataTransformationServices.Design.DtsDerivedColumnFrameForm.SaveAll()

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Integration Services :: How To Declare Multiple Derived Column In SSIS Derived Column Task

Jul 22, 2015

how to declare multiple derived columns in SSIS Derived Column Task in one attempt.as i have around 150 columns coming from Flat file. I had created the required Expression in Excel and now i want add those in derived column task but its allowing only 1 expression at a time.

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Derived Transformation

Oct 11, 2007

I would like to creat a new column called Load_Dt and hard-coded as 06/30/2006 ( date data type) in derived transformation... how can i do this?

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Is Possible To Call A VB.NET Function Within Derived Transformation Editor

Mar 5, 2008

Hi,

In a nut shell I want to be able to instruction some Data Analysts on how to modify SSIS packages using the simpliest solutions possible. This is because there are many different data sources and some of these data sources have a huge number of fields, and yes you guessed it these data sources are subject to change on a regular basis.

A very common task they will need to do is to modify an SSIS package to do a to transform of a source date string format of "YYYYMMDD" into a date data type field within a table.


Similar threads have advised the use of the Data Flow Transformations->Derived Column for this sort of thing.

So within the Expression Text box I have inserted the following SSIS compatible SQL to convert the above string into a british format date data type; -




Code Snippet
(SUBSTRING(DOB_SRC,8,2) + "/" + SUBSTRING(DOB_SRC,5,2) + "/" + SUBSTRING(DOB_SRC,1,4))





But really what I want to be able to do is to instruct the Data Analysts to do is something like; -

ConvertTextToDate(DOB_SRC)

Where I previously defined that behaviour of ConvertTextToDate as a public VB.NET function.

Can someone please help. I'm pretty certain I'm not the only one with this type of requirement.


Thanks in advance,

Kieran.

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Integration Services :: Add New Column Based On Existing Column Using Derived Column Task?

Jul 28, 2015

I have a excel file which has a column called "Code" and their values are A,B,C,D,E,F,G,H.  I want to create a new column called "status" based on the values of "Code".

Code:

A
B
C
D
E
F
G
H

If A,C,E,G then "status" = "Active" else if  B,D,F,H then "Status" = "Inactive". I like to do it using "Derived Column".

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Derived Column Usage When Column Does Not Exist In Source (but Exists In Destination)

Sep 11, 2007





Posted - 09/10/2007 : 15:53:26



Hey all - got a problem that seems like it would be simple (and probably is : )

I'm importing a csv file into a SQL 2005 table and would like to add 2 columns that exist in the table but not in the csv file. I need these 2 columns to contain the current month and year (columns are named CM and CY respectively). How do I go about adding this data to each row during the transformation? A derived column task? Script task? None of these seem to be able to do this for me.

Here's a portion of the transformation script I was using to accomplish this when we were using SQL 2000 DTS jobs:


'**********************************************************************
' Visual Basic Transformation Script
'************************************************************************

' Copy each source column to the destination column
Function Main()
DTSDestination("CM") = Month(Now)
DTSDestination("CY") = Year(Now)
DTSDestination("Comments") = DTSSource("Col031")
DTSDestination("Manufacturer") = DTSSource("Col030")
DTSDestination("Model") = DTSSource("Col029")
DTSDestination("Last Check-in Date") = DTSSource("Col028")
Main = DTSTransformStat_OK
End Function
***********************************************************
Hopefully this question isnt answered somewhere else, but I did a quick search and came up with nothing. I've actually tried to utilize the script component and the "Row" object, but the only properties I'm given with that are the ones from the source data.

thanks in advance!

jm

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Altering Column Values Using Derived Column Component

Dec 21, 2007

Can anyone show how to alter the value in a column using DerivedColumn component when creating an SSIS package programatically.

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Derive A Column Based On Other Derived Column In A Table .. Is It Possible ?

Mar 25, 2008


Table structure as follows



Employee

Empno empname salary
commission



I want to have an other employee table named employee_modified

Empno empname salary
commission derived_column1(salary+commission)
derived_column2(derived_column1 + xxxx) and so on derive other
columns based on the earlier derived columns)

Is that possible to do it.. or am I doing something wrong.



something like



Select empno , empname , salary , commission,

(salary + commission) as derived_colum1 ,

(derived_colum1 + xxxxx) as derived_colum2 ,

(derived_colum2 + xxxxx) as derived_colum3

into employee_modified from employee

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Add Values To A Column With Derived Column Expression?

Feb 25, 2008

Hi, how are you?
I'm having a problem and I don't know if it can be solved with a derived column expression. This is the problem:


We are looking data in a a sql database.

We are writting the SQL result in a flat file.

We need to transform data in one of the columns.

For example: we can have 3 digits as value in a column but that column must be 10 digit length. So we have to complete all the missing digits with a zero. So, that column will have the original 3 digits and 7 zeros. How we can do that tranformation? We must do it from de the flat file or it can be a previous step?
Thanks for any help you can give me.
Regards,

Beli

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