Import CSV Files To SQL Server Null Values Problem
Nov 16, 2005
Hello,I am trying to import a CSV file into my SQL Server database, this file was originally generated by another database table (on another server) with the same structure, the table contains two columns of real datatype with Allow Null Value setto true for those columns, the CSV file contains the value NULL for theses columns, I am facing a problem when importing this file. This may be because DTS tries to represent values as strings then to convert them to real datatype which results in transforming the value "NULL" to real, I receive an error message saying.Error during Transformation 'DirectCopyXform' for Row number 1. Errors encountered so far in this task: 1.
TransformCopy 'DirectCopyXform' conversion error: Conversion invalid for datatypes on column pair 8 (source column 'Col008' (DBTYPE_STR), destination column 'zip_longitude' (DBTYPE_R4)).
TransformCopy 'DirectCopyXform' conversion error: Conversion invalid for datatypes on column pair 7 (source column 'Col007' (DBTYPE_STR), destination column 'zip_latitude' (DBTYPE_R4)).How can I work around this problem? Any help would be appreciable
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Jul 20, 2005
Question: Why would I not be able to import an Access 97 table inwhich some records have null values in fields that allow null values?Wouldn't the table's design be imported first, bringing the columns'"allow nulls" attribute with it?I'm dealing with both text and numeric columns. Not all columnscontaining nulls cause an error.Thanks,Bob C.
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Sep 4, 2007
Hi, i'm new to SSIS and trying to import some csv files (comma delimited) into SQL Server. A NULL value for a CHAR column is correctly regonized as NULl in SQL Server, but a NULL value for of a mapping to a VARCHAR column in SQL Server is not recognized correctly and i get the value "'NULL'" in SQL Server (including the single comma.
Sample:
CSV file contains columns A and B. A and B contains the Text NULL.
Column A is mapped to a CHAR field, and column B is mapped to a VARCHAR field in SQL Server.
After the import, SQL has the following value: A = NULL as NULL, B 'NULL' as text.
did anyone else had this problem?
thanks so much for any help.
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Jan 25, 2008
I have a pivot transform that pivots a batch type. After the pivot, each batch type has its own row with null values for the other batch types that were pivoted. I want to group two fields and max() the remaining batch types so that the multiple rows are displayed on one row. I tried using the aggregate transform, but since the batch type field is a string, the max() function fails in the package. Is there another transform or can I use the aggragate transform another way so that the max() will work on a string?
-- Ryan
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Jun 15, 2006
I have a task to import *.log files in to the Microsoft SQL Server and need help in this regards.
This import should be the best table structure/format for the web log (considerations for import time, size, indexing, querying, reporting, etc.), and best utilize all available space on the server
Naveen
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Aug 16, 2007
Hi There,
I have a requirement to import a large number of csv files to one table. The files are in the format NAME.date.csv. What is the best way to do this?
Cheers
Pete
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Sep 5, 2007
Hi,
I try to import csv files to Sql Server using .net. The code is as following:
string strCsvConn = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=;Extended Properties='text;HDR=Yes;FMT=Delimited(,)';";
using (OleDbConnection cn = new OleDbConnection(strCsvConn))
{
string strSQL = "SELECT * FROM " + strFileName;
OleDbCommand cmd = new OleDbCommand(strSQL, cn);
cn.Open();using (OleDbDataReader dr = cmd.ExecuteReader())
{
// Bulk Copy to SQL Server
using (SqlBulkCopy bulkCopy = new SqlBulkCopy(strSqlConn))
{
bulkCopy.DestinationTableName = strSqlTable;
bulkCopy.WriteToServer(dr);
}
}
}
And the data is as following (simplified):
Model,Serial
AFICIO 3045,K9464900965
AFICIO 3045,K9464900932
Fax 5510L,A3761290041
Fax 2210L,A4978800008
AFICIO 3025,K8565201014
AFICIO 3025,K8565102398
The result of the 2nd column is: 9464900965, 9464900932, null, null, 8565201014, 8565102398 - either the first character is missing or the whole entry is missing.
One more weird thing is that some other files work fine, though I am not able to tell any difference between them.
Any idea is hoghly appreciated.
shz
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Feb 5, 2004
Hi,
I have about 500 CSV files, mostly they are unser same structure. I need to import them all into SQL server. I create a new table for each one based on the firstline as the column name. I can do them one by one but it is very time consuming and boring. Is there a fast way of doing this?
If someone give me a information, I promise to share all of MY CSV files. They are the zone chart from UPS and I have edit all of them.
Thanks.
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Apr 15, 2008
Can anyone tell me how to convert XML files into SQL server 2005?
i have so many XML files and want to convert it into SQL server.
thanks for ur help.
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Jan 24, 2008
Scenario:
Various excel files with the same structure will reside in a folder. These excel files should be exported daily in a Sql server table. If the data within the excel file according to an id is new then all data should be appended to the table, otherwise if the id exists in the sql server table then it must update the remaining corresponding fields.
I know how to export an excel file to a sql server table, i need some help in comparing the excel file data with the sql table so to make the appropriate updates.
Can anyone please help me get started?
Regards,
Panos
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Jun 22, 1999
Following SQL Statement is from BOL 7.0 and it doesn't return any data. But when I change the where clause to "WHERE advance IS NULL" it works. I am trying to do something like this in my own stored procedure. It works fine in 6.5 both ways. Is there any parameter to set? or any other problem. Thanks in advance.
SELECT title_id, type, advance
FROM pubs.dbo.titles
WHERE advance = NULL
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Mar 21, 2004
Hi
I am importing an excel spreadsheet into tables in a sql server database using dts. I have one row of information filled out in the excel spreadsheet, but when the dts runs, it imports the information plus 5 extra rows filled with nulls ino the table.
Does anyone know how to fix this?
Thanks
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Jun 6, 2005
Hi,i wanna develop an web-database application with ASP.NET,C#, SQL server 2000.i already have some data whichs been in text format(text file) and now, i want to import the same into my database.the problem is, the text file has got many line breaks and also its not well formated to import it using DTS.Can any one help me out in importing the same.thanks in advance
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Jul 15, 2002
Hi All,
I am a new user of SQL Server 2000. Please point me where I am able to get good online sources to be familiar with the SQL Server 2000. I wanted to import the primary file (MDF)and a log file (LDF), which are stored on two different floppy disks into the local SQL server 2000. Please direct me where I should start. Your help is greatly appreciated.
Thanks in advance
Lenka.
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Jan 31, 2007
I have created a DTS package which imports text file into single sql server table with 8 columns (SourceData). The DTS package uses 'Test1.txt' file. Now i have around 200 text files (Test1,Test2,.....Test200). I need to import them one by one into 'SourceData' table. Could you pls. help me out in getting solved this mistery.
Thanks,
Hemal
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Feb 17, 2007
I need to extract data from text files (around 200) and import into sql server tables. I tried using SSIS foreach loop container but could not manage it. Can anyone guide me how this can be done?
All help appreciated.
Thanks,
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Oct 1, 2001
Hello, i´m inserting values in a table defined as above,
/********
create table SERVICE_TYPE (
PK_TYPE numeric(8) not null IDENTITY,
TYPE nvarchar(32) not null unique,
DESCRIPTION nvarchar(256) null default(''),
USER_VISIBLE numeric(1)not null,
constraint PK_SERVICE_TYPE primary key (PK_TYPE)
)
go
**********/
these values are inserted throug ODBC with VC++,
in the case of the DESCRIPTION Column, i´m sending null strings CString(""). this value will be filled after.
What happens is that, when i query the database to show the records in this table, the database shows, for example:
PK_TYPE TYPE DESCRIPTION USER_VISIBLE
--------- ------ ------------------- -------------
1 1 (null) 1
i dont want to show the "(null)" value in the column DESCRIPTION, but a null string like ""
can anyone help me , thanks
Cristovão
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Oct 29, 2013
I have a excel sheet with some data and blank columns. I have a ssis package using to import data from excel to sql table. For blank excel columns it is importing as null instead i want to show them as '0'. If data comes in it should update the data.
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Oct 8, 2007
Brief overview...Running SQL Server 2003 Server Enterprise 64 bit - All Service Packs and patches current
SQL Server 2005 Enterprise Edition 64 bit Build Microsoft SQL Server 2005 - 9.00.3054.00 (X64) Mar 23 2007 18:41:50 Copyright (c) 1988-2005 Microsoft Corporation Enterprise Edition (64-bit) on Windows NT 5.2 (Build 3790: Service Pack 2)
I cannot import any SSIS packages nor crete any new folders under stored packages. I hve googled the news groups and looked at BOL to no avail. HELP!!!!
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Aug 17, 2005
If myDateTimeColumn contains a <NULL> value. How do you handle that when reading into a DateTime object in your code?DateTime myDate = Convert.ToDateTime(dr["myDateTimeColumn"]);Does not work, it throws: System.InvalidCastException: Object cannot be cast from DBNull to other types.
I am curious as to what others are doing to handle this?
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Feb 10, 2014
I have two tables, a dates table and a values table. They are joined on the date column.The date table has a range, say from today as far as 20 days from now, incrementing by 1 day each row.The values table may have a row for a day, and may not. If the day has a value I want to display that value.If the day does not have a value in the values table I want to display the last known value.
I think this can be done with windowing functions in a set based manner but have not been able to work it out. I have done it procedurally but im not happy with that at all, and really want to see if this is possible in a set based manner.Below is some simplified code to allow testing with sample data.
create table DimDate
(
DateCol date
)
create table TotalsData
(
DateCol date
[code]....
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Sep 20, 2014
The following t-sql 2012 works fine in sql management studio. However when I place it in a .net 2010 web form application, I am told the sql does not work when the parameter values are null. Thus can you tell me what I can change in the sql below that will accept null as 3 possible input values?
SELECT i.[lastName]
,i.[firstName]
,i.[middleName]
,i.[suffix]
,a.[userid]
[code]...
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Aug 14, 2015
CREATE TABLE A (ID INT IDENTITY (1,1))
CREATE TABLE B (ID INT, EMPID VARCHAR(10))
INSERT INTO A DEFAULT VALUES
GO 5
INSERT INTO B VALUES (1,'E23')
INSERT INTO B VALUES (1,'E24')
INSERT INTO B VALUES (2,'E23')
from the above code i would like to get output like
ID EMPID
1 23
2 23
3 null
4 null
5 null
1 24
2 null
3 null
4 null
5 null
I'm trying like
select a.id, b.empid from (
select * from a cross join (
select distinct empid from b) b
) a
left outer join b on a.id = b.id but i get repetitive rows.
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Sep 10, 2015
Question in review today is Creating a Report showing the FName, LName of all Employees not Specified in a region; I would assume "No Value to be Null" Correct?
Or is there another way for me to do this?
This is what I have so far...What am I missing that this is not showing me results?
Select Firstname, Lastname, Region
From Employees
WHERE Region LIKE 'null%';
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May 13, 2015
I am stuck on a query where I need to display all the month year values even if the corresponding count_booking values are NULL. The requirement is to display the 13 month year period from current date.
For e.g. if the date exists in the current month then starting from May 15 go all the way back to Apr 14.
My current query works in terms of displaying all the 13 months if the count_booking values exist for all the months. However, if some months are missing the values then those months don't show up.how to display all the months even if the values are NULL ? Query below:
SELECT COUNT(m.BOOKING_ID) AS count_booking, LEFT(DATENAME(MONTH, m.CREATE_DT), 3) + ' ' + RIGHT('00' + CAST(YEAR(m.CREATE_DT) AS VARCHAR), 2)
AS month_name
FROM MG_BOOKING AS m
WHERE (m.CREATE_DT >= DATEADD(m, - 13, GETDATE()))
[code]...
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Jun 11, 2015
Everytime I try to open up SSMS, I get this error:
"Values cannot be null. Parameter Name: ViewInfo"
When I press ok to login, It doesn't show me the database and system dbs aren't expandable.
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Apr 13, 2006
Hi,
I'm a new user of SQL Server 2005. I have the full version installed. I also have SQL Server Business Integration Dev Studio installed. My OS is Windows XP.
I'm importing a series of 5 flat files into a database on one of the SQL Servers we have. My goal is to get 5 different tables (though perhaps I should do one and add an extra field to distinguish each import) into the database for further analysis.
I tried doing an import via DTS Wizard. There are no column names in the flat file so I defined them during the import process (all 58 of them). When I got to the end, I had an option to save the import process as a SSIS (SQL Server Integration Service) Package on:
SQL SERVER (I don't have permission for this)
or
FILE SYSTEM (did this one)
I saved the Package locally in hopes of being able to go back in, change the source file and destination table of the package and quickly get the other 4 flat files imported.
My problems are:
1) I couldn't find how to run the *.DTSX Package file to run in SQL Server Studio (basically reuse the Package with minor changes and saving me having to redefine the same 58 columns on each flat file import)
2) Tried but didn't understand how to run it in SQL Server Bus Intel Dev Studio (i.e. understanding the mapping and getting the data types right so it wouldn't error out)
3) Don't know how to make the necessary changes so that the Package handles the next source file and puts in a new destination table (do I need to do 5 CREATE TABLES so this Package has a place to run to?)
4) Does the Package need to be part of a Project to run (I haven't found how to take an existing Package and make it part of a Project/Solution)?
5) Is there a good book or online resource for just getting the basics of using SQL Server 2005 and SQL Server Business Intelligence Development Studio?
I'm really at a loss after spending a day fruitlessly on it scouring the help files, forums and experimenting around.
Hope somebody can point me in the right direction.
Regards,
Patrick Briggs,
Pasadena, CA
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Apr 18, 2006
I just spent some time working out how to do a seemingly simple task. I€™m sharing the steps I took to do this in hopes it saves other SQL Server 2005 users (especially newbies like myself) time.
My original question posed on several SQL newsgroups was based on this goal:
I'm importing a series of 5 flat files (all with same file layout) into a database on one of the SQL Servers we have using SQL Server 2005 (SQL Server Management Studio) . My goal is to get 5 different tables. I want to do this without having to redo all the layout criteria 4 additional times.
Below are the steps I followed to get a solution (all done in Microsoft SQL Server Management Studio):
Create the Package (data import)
1) Use the SQL Server Import Export Wizard (equivalent to SQL Server 2000 Data Transfer Wizard) to import your first flat file. At the CHOOSE DATA SOURCE window browse for your file.
2) Under the Advanced tab, you can set your Column attributes (€œoutput column width€? or €œdata type€? to name a few). I highlighted all the columns and selected €œstring [DT_STR]€? for data type. To avoid truncation errors, I selected 255 for output column width. You can name the columns whose data you are most concerned with (I did import all the available fields).
3) After choosing a server destination you will have a €œSELECT SOURCE TABLES AND VIEWS€? window pop up. Under the €œMapping€? column you can choose to tweak your mapping further editing in SQL (see Edit SQL button). I didn€™t.
4) The €œSAVE AND EXECUTE PACKAGE€? will pop up. The €œExecute Immediately€? box should be checked and you should check the €œSave SSIS Package€? (SQL Server Integration Services). When you do, select €œFile System€? for where to save this import-file-package to.
5) Click OKAY for the Package Protection Level and the €œSAVE SSIS PACKAGE€? window will appear. Browse for a path on your local computer to save to.
Modify Package (data import) for Next Use
6) In SQL Server Management Studio, browse for the Package and open it.
Preparation for SQL Task €“ box
7) You should see a screen that shows two boxes (€œPreparation for SQL Task€?) and (€œData Flow Task€?).
8) Right click on the former and select €œEdit€?.
9) On the €œSQL Statement€? row, click into the right column and select the €œ€¦€? box
10) Change the destination table (the table you will create with this package) to a meaningful name and click OK.
11) Click OK for the €œSQL Task Editor€?
Data Flow Task - box
12) Right click on the €œData Flow Task€? box and select €œEdit€?.
13) Three boxes will appear €œSourceConnectionFlatFile€?, €œData Conversion 1€?, and €œDestination - <whatever table name your original data import went to>€?. Below them is a section that displays €œConnection Managers€?
SourceConnectionFlatFile - editing
14) The first thing you will want to do is change the import source to a new flat file. You do this by going below the boxes under the €œConnection Managers€? window and right clicking on €œSourceConnectionFlatFile€? and then selecting €œEdit€?
15) Browse for the new €œFile Name€? and select it.
16) A €œMicrosoft SQL Server Management Studio€? window will pop up asking you if you want to €œkeep or reset the existing metadata€?. The metadata is just your column definitions and choosing €œYES€? to keep this makes sense if you are doing data imports on files with the same file layout.
17) Still in the €œFlat File Connection Manager Editor€? window, change the €œConnection Manager Name€? to something meaningful (I add <_> at the end and then the name of the table the flat file is going to) and click OK.
SourceConnectionFlatFile €“ box (editing)
18) Right click on the €œSourceConnectionFlatFile€? box and select €œEdit€?.
19) Your newly named €œFlat File Connection Manager€? should appear in select box.
20) Click OK, right click again on the €œSourceConnectionFlatFile€? box and select €œShow Advanced Editor€?.
21) Under the €œConnections Manager€? tab, your newly named €œFlat File Connection€? should appear (the prior step is necessary for the advanced editor to recognize your change).
22) Under the €œComponent Properties€? tab, on the €œName€? row, click into the right column and rename to something meaningful (notice the €œIdentification String€? row description changes too once you click out of the €œName€? row)
23) Under the €œColumn Mappings€? tab, just confirm you are mapping your flat file fields (€œAvailable External Columns€?) to a destination table€™s fields (€œAvailable Output Columns€?).
24) Under the €œInput and Output Properties€? tab you can check in €œFlat File Source Output€? to make modifications to either your €œExternal Columns€? or your €œOutput Columns€? €“ you shouldn€™t need to for a simple import.
((NOTE: any changes you make here would likely need to be consistent with the column properties found under the €œConnection Manager Window€? for the €œSourceConnectionFlatFile€? as well as the €œData Conversion 1€? box under the €œData Flow Tasks€? window, so exercise caution
25) NOTE: This process has worked for me by making my source columns all €œstring [DT_STR]€? data type and the output columns all €œUnicode String [DT_WSTR]€? data type.
Data Conversion 1 €“ box (editing)
26) There is nothing you need to do here. By right clicking on the €œData Conversion 1€? box and selecting €œEdit€?, you can see and change the data type of the output columns (the ones in the table your importing the flat file to). There are probably more edits one can do but they€™re beyond what I€™ve learned.
Destination - <whatever table name your original data import went to> €“ box (editing)
27) Right click on the €œDestination - <whatever table name your original data import went to>€? box and select €œShow Advanced Editor€?.
28) Select the €œComponent Properties€? tab.
29) Select the right column at the €œName€? row and change the name to something meaningful (ie. related to the source file name or the table name you€™re importing to).
30) Select the right column at the €œIdentification String€? row and it will update to this change.
31) Select the right column at the €œOpenRowSet€? and change it to the name of the table you are importing your flat file to (this should be consistent with table name under step 10).
32) Click OK
33) Select FILE and select €œSave As€¦€? and then give your package a new name that€™s meaningful (this will be helpful if you have to rerun the import of the flat file later).
Run (execute) the Revised Package (data import)
34) Go back to SQL Server Management Studio and open the Object Explorer
35) Connect to an €œIntegration Services€? component. This should essentially be a local instance (not sure where it is on the local computer or in SQL Server Management Studio on the local computer).
36) In €œObject Explorer€? go down to your €œIntegration Services€? object and expand it.
37) Expand €œStored Packages€?
38) Right click on €œFile System€? and select €œImport Package€? and an €œIMPORT PACKAGE€? window will appear
39) For €œPackage Location€? choose €œFile System€? and then browse for the €œPackage Path€?
40) Click into the €œPackage Name€? and it defaults to your Package€™s file name.
41) Click OK and the Package is imported.
42) Right click on the newly imported Package and select €œRun Package€?
43) An €œExecute Package Utility€? window appears
44) Select €œExecute€? and the package runs.
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Feb 23, 2007
I have a DTSX package which reads values from a fixed-length text file using a data reader and writes some of the column values from the file to an Oracle table. We have used this DTSX several times without incident but recently the process started inserting NULL values for some of the columns when there was a valid value in the source file. If we extract some of the rows from the source file into a smaller file (i.e 10 rows which incorrectly returned NULLs) and run them through the same package they write the correct values to the table, but running the complete file again results in the NULL values error. As well, if we rerun the same file multiple times the incidence of NULL values varies slightly and does not always seem to impact the same rows. I tried outputting data to a log file to see if I can determine what happens and no error messages are returned but it seems to be the case that the NULL values occur after pulling in the data via a Data Reader. Has anyone seen anything like this before or does anyone have a suggestion on how to try and get some additional debugging information around this error?
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Feb 4, 2014
I wrote a select statement, I only want to see orders with max lastUpdatedOn date of 14 days and older. Now my results show dates with all orders of 14 days and older (which is OK), but all others are displayed in the "Uitgifte" column as "NULL". But those orders should not be displayed at all.
selectdistinct ProductionHeader.ProdHeaderOrdNr,
ProductionHeader.PartCode,
ProductionHeader.Description,
ProductionHeader.Qty,
(select max (ProdStatusLog.ProdStatusCode)
[code]...
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Jun 2, 2014
Why we the Unique Constraint doesn't allow the multiple null values in Sql Server?
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Mar 9, 2007
I can't figure this one out...
I have an Excel spreadsheet (Excel 2003 format) with a column of values. The column is formated to General (although I've tried it formated to text). The values are alphanumeric. However, there are a few values that are completely numeric.
Example:
_ITEMNUMBER_
1-528
K214-5
184PR
45678
As can be seen, the last value is completely numeric. I am importing into a table with one column that is formated as nvarchar(50).
I use dtswizard.exe and do a simple import into the table and the alphanumeric values import just fine but anytime a value is completely numeric it has a NULL value in the table instead of the value that should be there.
I've tried changing the format of the column to nchar, char, etc, etc. Always comes in NULL.
Any ideas?
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Dec 9, 2013
I have SQL Server 2012 SSIS. I have Excel source and OLE DB Destination.I have problem with importing CustomerSales column.CustomerSales values like 1000.00,2000.10,3000.30,NotAvailable.So I have decimal values and nvarchar mixed in on Excel column. This is requirement for solution.However SSIS reads only numeric values correctly and nvarchar values are set as Null. Why?
CREATE TABLE [dbo].[Import_CustomerSales](
 [CustomerId] [nvarchar](50) NULL,
 [CustomeName] [nvarchar](50) NULL,
 [CustomerSales] [nvarchar](50) NULL
) ON [PRIMARY]
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