Non-Unicode To Unicode Data Conversion

Jul 23, 2005

Hi all, we are now planning to upgrade our application from a
non-unicode version to a unicode version. The application's backend is
a SQL Server 2000 SP3.

The concern is, existing business data are stored using collation
"Chinese_PRC_CI_AS", i.e. Simplified Chinese. So I thought we need to
extract these data out to the new SQL Server which is using Unicode (I
assume it means converting them to nchar, nvarchar type of fields for I
don't enough information from the application side, or is there a
general unicode collation that will make even char and varchar types to
store data as Unicode?).

The problem is what's the best and most efficient way to do this data
conversion?
bcp? DTS? or others?

thanks a lot

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I am following the SSIS overview video- URL...I have a flat file that i want to import the contents onto a SQL database.I created a Dataflow task, source file and oledb destination.I am getting the folliwung error -"column "A" cannot convert between unicode and non-unicode string data types".in the origin file the data type is coming as string[DT_STR] and in the destination object it is coming as "Unicode string [DT_WSTR]"I used a data conversion object in between, dosent works very well

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Jul 28, 2005

Good afternoon

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Sep 9, 2015

I have an SSIS package that pulls data from a MYSQL DB (Using RSSBus for Salesforce in SSIS to accomplish this). Most of the columns are loading properly, but I have many columns that I need to convert.

I have been using the Data Conversion dataflow task in SSIS to convert the rows.

I have 2 data conversions that work on most of the columns, but the DESCRIPTION column continues to return an error saying "Cannot convert between unicode and non-unicode types", regardless of what I choose on the Data Conversion task. So, basically I want to dump this column data into a SQL table with NVARCHAR datatypes. Here is what I am doing in my SSIS package...

1) Grab subset of data from SOURCE
2) Converts to TEXTSTREAM. (Data Conversion)
3) Converts to STRING. (Data Conversion)
4) Load Destination table. (OLE DB Destination)

I have also tried to simply convert the values to STRING, but that doesn't work either.

So, I have 2 Data Conversions working here that process most of the data correctly. What I can do to load the DESCRIPTION column?

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SSIS: Unicode And Non-unicode String Data Types

May 14, 2008

Hi guys and gals,

I've had some great headaches with SSIS this morning, which I have managed to get a workarounds for, but I'm not happy with them so I've come to ask for advice.

Basically, I am exporting data from an SQL Server database into an Excel spreadsheet and hitting issues with unicode and non-unicode data types.

For example, I have a column that is char(6) and have added a data conversion step to the data flow, which converts it to type DT_WSTR and then everything works!

However, this seems like a completely un-neccessary step as I should be able to do the conversion in T-SQL - but no matter what I try I keep getting the same problem.

SELECT Cast(employee_number As nvarchar(255)) As [employee_number]
FROM employee
WHERE forename = 'george'

ErrorValidation error. details: 1 [1123]: Column "employee_number" cannot convert between unicode and non-unicode string data types.

I know I have a solution (read: workaround) but I really don't want to do this everytime!

Any suggestions for what else to try?

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Apr 6, 2006

I have an Excel Source component hooked to an OLE DB Destination component in my SSIS 2005 Data Flow Task.  After I mapped the excel columns to the OLE DB table columns i get these errors below.  I noticed that for the first error, the Excel Field format (when you mouse over the column name in the mappings section in OLE DB component) is of type [DTWSTR] and the corresponding SQL field from my SQL table that it's mapping to is of type [DT_STR] when mousing over that field in the mappings in the properties of my OLE DB component.  All table fields in SQL Server for the table I'm inserting into are of type varchar.

print screens here:

http://www.webfound.net/excel_ssis.jpg

http://www.webfound.net/excel_to_oledb_mappings.jpg

Package Validation Error

------------------------------
ADDITIONAL INFORMATION:

Error at Data Flow Task [OLE DB Destination [27]]: Columns "Commission Agency" and "CommissionAgency" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [OLE DB Destination [27]]: Column "Product" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [OLE DB Destination [27]]: Columns "Officer Code" and "OfficerCode" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [OLE DB Destination [27]]: Columns "Agency Name" and "AgencyName" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [OLE DB Destination [27]]: Columns "Agency Id" and "AgencyID" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [OLE DB Destination [27]]: Columns "Tran Code" and "TranCode" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [OLE DB Destination [27]]: Columns "User Id" and "UserID" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [OLE DB Destination [27]]: Columns "Acct Number" and "AccountNumber" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [DTS.Pipeline]: "component "OLE DB Destination" (27)" failed validation and returned validation status "VS_ISBROKEN".

Error at Data Flow Task [DTS.Pipeline]: One or more component failed validation.

Error at Data Flow Task: There were errors during task validation.

 (Microsoft.DataTransformationServices.VsIntegration)

 

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Cannot Convert Between Unicode And Non-unicode String Data Type

Jan 15, 2007

HI.

I'm having this problem.

I use Visual Studio's, integration project to load XML file into SQL Server. In the XML file, i have defined collumns as string. When i try to load XML file with parts defined in scheme as string, i get an error "cannot convert between unicode and non-unicode string data type.

Destinated collumns in SQL are defined as varchar and char.



Thanks for help

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Mar 7, 2008

Hi,

I have spent countless number of hours trying to solve the issue, but to no vail. My problem is SSIS throws "cannot convert between unicode and non-unicode string data types" when i am try to transform data from DB2 to SQL Server 2005. And please note, i tried all possibilities like changing the destination field which is in SQL Server 2005 to nvarchar and also text. But so far no help. And i also looked at previous posts which did not help me either.

Thank You in advance.

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Aug 8, 2006

I'm connecting to a SQL Server 2005 database using the latest (beta) sql server driver (Microsoft SQL Server 2005 JDBC Driver 1.1 CTP June 2006) from within Java (Rational Application Developer).

The table in SQL Server database has collation Latin1_General_CI_AS and one of the columns is a NVARCHAR with collation Indic_General_90_CI_AS. This should be a Unicode only collation. However when storing for instance the following String:




‚¬_£_ÙÚÜÛùúüû_ÅÆØåæøߣÇçÑñ_¼½¾_ЎўЄєÒ?Ò‘_прÑ?туф_ЂЉЊЋ
... it is saved with ? for all unicode characters as follows (when looking in the database):
‚¬_£_ÙÚÜÛùúüû_ÅÆØåæøߣÇçÑñ_¼½¾_??????_??????_????





The above is not correct, since all unicode characters should still be visible. When inserting the same string directly into the sql server database (without using Java) the result is ok.

Also when trying to retrieve the results again it complains about the following error within Java:





Codepage 0 is not supported by the Java environment.




Hopefully somebody has an answer for this problem. When I alter the collation of the NVARCHAR column to be Latin1_General_CI_AS as well, the data can be stored and retrieved however then of course the unicode specific characters are lost and results into ? So in that case the output is as described above (ie ‚¬_£_ÙÚÜÛùúüû_ÅÆØåæøߣÇçÑñ_¼½¾_??????_??????_????)

We would like to be able to persist and retrieve unicode characters in a SQL Server database using the correct JDBC Driver. We achieved this result already with an Oracle UTF8 database. But we need to be compliant with a SQL Server database as well. Please help.

Thanks in advance for your help.

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Jan 9, 2006

I have created an SSIS (think that is what DTS is called now) packageto run on a SQL 2005 server. It's job is to connect to a SQL 2000server, execute a stored procedure, and insert the returned data into atable of the '05 box.In both tables (source and destination), the string columns are definedas VARCHAR. But when I run my package, i get back the following error'Column "xxx" cannot convert between unicode and non-unicode stringdata types'.While they DO have different collation values --SQL_Latin1_General_CP1_CI_AS on sql 2000 database andLatin1_General_CI_AI on the sql 2005 database (columns are set to usedatabase default value) -- it was my understanding (ormis-understanding) that collation values do not affect unicode issues.Is there anything I can look at to further find the problem or even fixit?Thanks,

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Jun 14, 2006

I have undertaken the following process to convert a database to unicode support. This is sql 2000 SP4

- Create a new database dbnew
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So why is it failing in DTS ? And are there any other options or settings I can try ?

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May 19, 2008

Hello!

I am having a strange problem with the Copy Database Wizard. For certain databases, the copy database wizard reports an error, and the Windows event log has the following entry:
Event Name: OnError
Message: ERROR : errorCode=-1071636471 description=SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80004005.
An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "Unicode conversion failed".
helpFile=dtsmsg.rll helpContext=0 idofInterfaceWithError={8BDFE893-E9D8-4D23-9739-DA807BCDC2AC}
StackTrace: at Microsoft.SqlServer.Management.Dts.DtsTransferProvider.ExecuteTransfer()
at Microsoft.SqlServer.Management.Smo.Transfer.TransferData()
at Microsoft.SqlServer.Dts.Tasks.TransferObjectsTask.TransferObjectsTask.TransferDatabasesUsingSMOTransfer()
Operator: KFKIvagodavid
Source Name: msdev64___sql2005_Transfer Objects Task
Source ID: {A2DBECB6-DFF1-4A10-B99F-B0603464BAE1}
Execution ID: {DF2C49EC-68D9-48C1-8A99-CDF5533296C8}
Start Time: 2008.05.19. 15:18:13
End Time: 2008.05.19. 15:18:13
Data Code: 0

The environment is following
Source server: SQL Server 2000 SP4 32-bit (default instance) running on Windows 2003 64-bit.
Target server: SQL Server 2005 SP2 64-bit (named instance) running on Windows 2008 64-bit.

To be able to reproduce the error in the simplest configuration, I just installed the pubs and Northwind sample databases for SQL 2000 (as downloadable from Microsoft) using the Attach method (instead of running the scripts) on the SQL 2000 machine. I started Management Studio 2005 SP2 on the other machine, connected to the SQL 2000 server, and from the right click menu, used Tasks > Copy Database Wizard, using the SMO option, copy everything (including stored procedures and user error messages), and chose execute immediately. For the Northwind database, everything worked fine, however for the pubs database, the error message above was returned.
I have no idea how to move forward, a client of mine is having the same problem, but I could not get any closer to the problem.

Thanks for any help,
David

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Feb 4, 2008



Hello,

I have a ssis package that I created in the BIDS and run through a job.
the package was running very good all the time, till yesterday, when I changed the
default language of my server to hebrew (its an hebrew website).
now I get this error:




Code SnippetError: 0xC002F325 at CopyTables1, Transfer SQL Server Objects Task: Execution failed with the following error: "ERROR : errorCode=-1071636471 description=SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80004005.
An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "Unicode conversion failed".
helpFile=dtsmsg.rll helpContext=0 idofInterfaceWithError={8BDFE893-E9D8-4D23-9739-DA807BCDC2AC}".
Task failed: CopyTables1






how can I fix this error witout changing the language of the server?

Thanks.

The Kubyustus

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Dec 5, 2007

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Is there a way, maybe with a code page, that I can catch any conversion problem on any column without having to explicitly address every problem column in a derived column or data conversion transform? Probably not, but I thought I'd check.

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Nov 7, 2007

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Another ssis package exports .csv data into the sqme sql server table as above.

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Jan 4, 2006

I keep getting the error message below when attempting to import a text file (flat file) to an SQL Server Destination using SSIS. This database has recently been migrated from SQL Server 2000 (where I used a DTS Package that worked fine). I plan on doing further manipulation to the file after importing but have so far tried to keep one step at a time. I have tried using a smaller files and different tables but still get a similar response. I believe that the encoding of the text file is ANSI. If it is relevant the database collation is Latin1_General_CI_AS (the same as it was when 2000). Any help anyone can provide will be greatly appreciated!!!

TITLE: Package Validation Error
------------------------------

Package Validation Error

------------------------------
ADDITIONAL INFORMATION:

Error at Data Flow Task [SQL Server Destination [174]]: Columns "Column 0" and "AccountNumber" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 1" can't be inserted because the conversion between types DT_STR and DT_I4 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 2" can't be inserted because the conversion between types DT_STR and DT_I4 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: Columns "Column 3" and "Name" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 4" can't be inserted because the conversion between types DT_STR and DT_I4 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 5" can't be inserted because the conversion between types DT_STR and DT_R8 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: Columns "Column 6" and "ExpiryDate" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [SQL Server Destination [174]]: Columns "Column 7" and "RateType" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 8" can't be inserted because the conversion between types DT_STR and DT_BOOL is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: Columns "Column 9" and "FullName" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [SQL Server Destination [174]]: Columns "Column 10" and "Address" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 11" can't be inserted because the conversion between types DT_STR and DT_DBTIMESTAMP is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 12" can't be inserted because the conversion between types DT_STR and DT_I4 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 13" can't be inserted because the conversion between types DT_STR and DT_DBTIMESTAMP is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: Columns "Column 14" and "Occupancy" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [SQL Server Destination [174]]: Columns "Column 15" and "LoanPurpose" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 16" can't be inserted because the conversion between types DT_STR and DT_R8 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 17" can't be inserted because the conversion between types DT_STR and DT_R8 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 18" can't be inserted because the conversion between types DT_STR and DT_R8 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 19" can't be inserted because the conversion between types DT_STR and DT_R8 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 20" can't be inserted because the conversion between types DT_STR and DT_I4 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 21" can't be inserted because the conversion between types DT_STR and DT_I4 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 22" can't be inserted because the conversion between types DT_STR and DT_I4 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: Columns "Column 23" and "DocumentLocation" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 24" can't be inserted because the conversion between types DT_STR and DT_I4 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: Columns "Column 25" and "SecurityType" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 26" can't be inserted because the conversion between types DT_STR and DT_R8 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 27" can't be inserted because the conversion between types DT_STR and DT_DBTIMESTAMP is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 28" can't be inserted because the conversion between types DT_STR and DT_R8 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: Columns "Column 29" and "MortgageInsurancePolicyNumber" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [SQL Server Destination [174]]: Columns "Column 30" and "SecurityAddress" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 31" can't be inserted because the conversion between types DT_STR and DT_I4 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 32" can't be inserted because the conversion between types DT_STR and DT_R8 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 33" can't be inserted because the conversion between types DT_STR and DT_R8 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 34" can't be inserted because the conversion between types DT_STR and DT_R8 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 35" can't be inserted because the conversion between types DT_STR and DT_R8 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 36" can't be inserted because the conversion between types DT_STR and DT_R8 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 37" can't be inserted because the conversion between types DT_STR and DT_DBTIMESTAMP is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: Columns "Column 38" and "SecuritySuburb" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 39" can't be inserted because the conversion between types DT_STR and DT_I4 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 40" can't be inserted because the conversion between types DT_STR and DT_R8 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 41" can't be inserted because the conversion between types DT_STR and DT_R8 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 42" can't be inserted because the conversion between types DT_STR and DT_R8 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: Columns "Column 43" and "MortgageNumber" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [SQL Server Destination [174]]: Columns "Column 44" and "TitleParticulars" cannot convert between unicode and non-unicode string data types.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 45" can't be inserted because the conversion between types DT_STR and DT_DBTIMESTAMP is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 46" can't be inserted because the conversion between types DT_STR and DT_DBTIMESTAMP is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 47" can't be inserted because the conversion between types DT_STR and DT_DBTIMESTAMP is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 48" can't be inserted because the conversion between types DT_STR and DT_I4 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 49" can't be inserted because the conversion between types DT_STR and DT_R8 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 50" can't be inserted because the conversion between types DT_STR and DT_R8 is not supported.

Error at Data Flow Task [SQL Server Destination [174]]: The column "Column 51" can't be inserted because the conversion between types DT_STR and DT_DBTIMESTAMP is not supported.

Error at Data Flow Task [DTS.Pipeline]: "component "SQL Server Destination" (174)" failed validation and returned validation status "VS_ISBROKEN".

Error at Data Flow Task [DTS.Pipeline]: One or more component failed validation.

Error at Data Flow Task: There were errors during task validation.

 (Microsoft.DataTransformationServices.VsIntegration)

------------------------------
BUTTONS:

OK
------------------------------

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Unicode To Non-unicode Error

Nov 7, 2007

My ssis package exports .xls file data into a sql server table.
The fields in the sql server table have to be nvarchar instead of varchar.
If I use varchar then the ssis package gives an error about converting unicode to non-unicode...

Another ssis package exports .csv data into the sqme sql server table as above.
This time the sql server table fields have to be of type varchar because otherwise the ssis package gives an error about converting non-uniciode to unicode...

I basically would like to have a sql server table with varchar fields and let these packages import into it.
These packages may retrieve data from .csv or .xls.

How can I resolve this?Thanks

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Flat File Source Error Output Conversion Error With UNICODE Files

May 14, 2008

i have a weird situation here, i tried to load a unicode file with a flat file source component, one of file lines has data like any other line but also contains the character "ÿ" which i can't see or find it and replace it with empty string, the source component parses the line correctly but if there is a data type error in this line, the error output for that line gives me this character "ÿ" instead of the original line.


simply, the error output of flat file source component fail to get the original line when the line contains hidden "ÿ".

i hope you can help me with issue.

Thanks in advance.

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Unicode Data

Mar 9, 2005

I am getting unicode data into my database table and I am unable to see that data in my quesry analyzer. Can I convert that unicode data into varchar datatype?
AND how can i See that unicode data.

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Inserting Unicode Data

Feb 20, 2007

Hi.
We have a sql server db that we need to store Unicode text in. The fields are of the type nvarchar, ntext and nchar. Our solution uses both Oracle and SqlServer as a backing database. In Oracle there is a connection string switch "Unicode=True" that fixes the problem. Is there something similar in SqlServer? Since the db layer is generic we'ed like to avoid using a N' prefix on text strings in query statements.

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Updating Unicode Data

Sep 28, 2007

Hi,

Could someone please tell me how to update data in a column that contains unicode data in SQL 2000?

I know how to write update scripts on my own, but when it comes to Unicode character updates I canÂ?ft manage. In the script that I have pasted below I can update the customerÂ?fs details, but this only works if I update with Romaji characters (non-unicode).

The data that I need to update is in Japanese Kanji, but when I use the 'Update' script below, the data is updated as all question marks (???????????).

Is it very much harder to get the script to where it will handle Unicode characters and insert the correct data?


UPDATE CUSTOMER_LANGUAGE_DETAILS
SET FIRST_NAME = '‰h�s'
WHERE CUSTOMER_ID = 1592

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How To Fetch Unicode Data Using C++?

May 22, 2007

I am getting problem in fetching data from SQL using C++ program.
How to Fetch SQL Unicode characters?
I am using ODBC driver calls in C++ to fetch SQL data.
It is working fine with character data.
But for Unicode data it displays €œ????€? instead of data.

I am using SQL Server SQLSRV32.DLL for creating datasource.



Following is my code:

#include <windows.h>
#include <sqlext.h>
#include<srv.h>
#include<stdio.h>
#include <iostream.h>
#include <string.h>


int main(void)

{
void print_err2(RETCODE rc, SQLINTEGER type, SQLHANDLE handle);


HENV hEnv = NULL; // Env Handle from SQLAllocEnv()
HDBC hDBC = NULL; // Connection handle
HSTMT hStmt = NULL;// Statement handle
//UCHAR szDSN[SQL_MAX_DSN_LENGTH] = "myDataSource";// Data Source Name buffer
USHORT *szDSN;
szDSN = (USHORT *) malloc (sizeof(USHORT) * 13);
szDSN= (unsigned short *)"myDataSource";
//UCHAR szUID[10] = "sa";// User ID buffer
USHORT *szUID;
szUID= (unsigned short *) "sa";
//UCHAR szPasswd[10] = "bmcAdm1n";// Password buffer
USHORT *szPasswd;
szPasswd= (unsigned short *) "bmcAdm1n";
char buff[9] = "Testing";
// UCHAR szSqlStr[128]= "INSERT into Quali (Colname) Values ('Testing')" ;
//UCHAR szSqlStr[150]= "select name ,default_database_name,default_language_name from sys.sql_logins" ;
USHORT *szSqlStr;
szSqlStr = (USHORT *) malloc (sizeof(USHORT) * 150);
szSqlStr= (unsigned short *) "select name ,default_database_name,default_language_name from sys.sql_logins" ;
RETCODE retcode;


//UCHAR sqlState; // buffer to store SQLSTATE
// UCHAR errMsg[256]; //buffer to store error message
// SWORD count;



USHORT *sqlState;
USHORT *errMsg;
sqlState= (USHORT *) malloc(sizeof(USHORT)*6);
errMsg= (USHORT *) malloc(sizeof(USHORT)*256);
SDWORD retcode3=NULL; // return code
SDWORD nativeErr; // native error code
SWORD realMsgLen; // real length of error message


// sprintf((char*)szSqlStr,"select name ,default_database_name,default_language_name from sys.sql_logins",buff);


// Allocate memory for ODBC Environment handle
cout<<"hEnv before SQLAllocEnv = "<<hEnv<<endl;
retcode= SQLAllocEnv (&hEnv);
cout<<"retcode= "<<retcode<<endl;
cout<<"hEnv after SQLAllocEnv = "<<hEnv<<endl;
cout<<"***********************";



// Allocate memory for the connection handle
cout<<"hDBC before SQLAllocConnect = "<<hDBC<<endl;
retcode= SQLAllocConnect (hEnv, &hDBC);
cout<<"retcode= "<<retcode<<endl;
cout<<"hDBC after SQLAllocConnect = "<<hDBC<<endl;

cout<<"***********************";




SQLAllocHandle(SQL_HANDLE_DBC, hEnv, &hDBC);





// Connect to the data source using userid and password.

retcode = SQLConnect (hDBC, szDSN, SQL_NTS,szUID, SQL_NTS, szPasswd, SQL_NTS);
cout<<"retcode= "<<retcode<<endl;

if (retcode != SQL_SUCCESS )
{
retcode3 = SQLError(SQL_NULL_HDBC, hDBC, SQL_NULL_HSTMT, sqlState,&nativeErr,errMsg, 256, &realMsgLen);
// print_err(sqlState, nativeErr, errMsg, realMsgLen);
//print_err2(retcode,SQL_HANDLE_DBC,hDBC);
cout<<sqlState<<endl<<nativeErr<<endl<<errMsg<<endl<<realMsgLen;
}


if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)

{
cout<<"Connection established....!";


// Allocate memory for the statement handle
cout<<"hStmt before SQLAllocStmt = "<<hStmt<<endl;
retcode = SQLAllocStmt (hDBC, &hStmt);
cout<<"retcode= "<<retcode<<endl;
cout<<"hStmt after SQLAllocStmt = "<<hStmt<<endl;
cout<<"***********************";

/*
// Prepare the SQL statement by assigning it to the statement handle
retcode = SQLPrepare (hStmt, szSqlStr, sizeof (szSqlStr));

cout<<"Statement szSqlStr: "<<szSqlStr<<endl;
cout<<"Statement hStmt: "<<hStmt<<endl;
// Execute the SQL statement handle

retcode = SQLExecute (hStmt);
*/

retcode = SQLExecDirect(hStmt,szSqlStr, SQL_NTS);

UCHAR name[4000],defDBnm[4000],defLanguage[4000];
SDWORD retcode2, cbname, cbdefDBnm, cbdefLanguage;

retcode2=NULL;

if (retcode2 == SQL_SUCCESS)
{
retcode2 = SQLBindCol(hStmt, 1, SQL_C_CHAR, name, 4000, &cbname);
retcode2 = SQLBindCol(hStmt, 2, SQL_C_CHAR, defDBnm, 4000, &cbdefDBnm);
retcode2 = SQLBindCol(hStmt, 3, SQL_C_CHAR, defLanguage, 4000, &cbdefLanguage);
}







if (retcode2 != SQL_SUCCESS) /* warning or error returned */
{

retcode3 = SQLError(SQL_NULL_HDBC, hDBC, SQL_NULL_HSTMT, sqlState,&nativeErr,errMsg, 256, &realMsgLen);
//print_err(sqlState, nativeErr, errMsg, realMsgLen);
cout<<sqlState<<endl<<nativeErr<<endl<<errMsg<<endl<<realMsgLen;
}




cout <<"****************************************";
while (TRUE)
{
retcode2 = SQLFetch(hStmt);

if (retcode2 == SQL_SUCCESS || retcode2 == SQL_SUCCESS_WITH_INFO)
{
if (cbname == SQL_NULL_DATA) /* check null data */
printf("name: NULL");
else
printf("Name: %s", name);

if (cbdefDBnm == SQL_NULL_DATA)
printf("defDBnm name: NULL");
else
printf("defDBnm name: %s", defDBnm);

if (cbdefLanguage == SQL_NULL_DATA)
printf("defLanguage: NULL");
else
printf("defLanguage : %s", defLanguage);
}

else if (retcode2 == SQL_ERROR ) /* warning or error returned */
{

retcode3 = SQLError(SQL_NULL_HDBC, hDBC, SQL_NULL_HSTMT, sqlState,&nativeErr, errMsg, 256, &realMsgLen);
//print_err(sqlState, nativeErr, errMsg, realMsgLen);
cout<<sqlState<<endl<<nativeErr<<endl<<errMsg<<endl<<realMsgLen;
}

else /* if no more data or errors returned */
break;
}


// Project only column 1 which is the models
// SQLBindCol (hStmt, 1, SQL_C_CHAR, szModel, sizeof(szModel), &cbModel);


// Get row of data from the result set defined above in the statement

// retcode = SQLFetch (hStmt);


// Free the allocated statement handle
SQLFreeStmt (hStmt, SQL_DROP);

// Disconnect from datasource
SQLDisconnect (hDBC);
}

// Free the allocated connection handle
SQLFreeConnect (hDBC);

// Free the allocated ODBC environment handle
SQLFreeEnv (hEnv);

return 0;
}

void print_err2(RETCODE rc, SQLINTEGER type, SQLHANDLE handle)
{
//SQLCHAR SqlState, *sq = &SqlState[0];
SQLUSMALLINT *SqlState;
SqlState=(SQLUSMALLINT *) malloc (sizeof(SQLUSMALLINT)*6);
SQLUSMALLINT *sq = &SqlState[0];
SQLCHAR Msg[SQL_MAX_MESSAGE_LENGTH], *ms = &Msg[0];
SQLWCHAR SqlStateW, *sqw = &SqlStateW[0];
SQLWCHAR MsgW[SQL_MAX_MESSAGE_LENGTH], *msw = &MsgW[0];
SQLINTEGER NativeError;
SQLSMALLINT i=1, MsgLen;
RETCODE ret;
int j;

printf("Error number is %d", rc);
while (SQL_SUCCEEDED(SQLGetDiagRec(type, handle, i++,(unsigned short *) SqlState, &NativeError, (unsigned short *)Msg, sizeof(Msg), &MsgLen)) )
{
printf("State: %s Native Error Code: %d %s (%d)",
SqlState,NativeError,Msg, MsgLen);
}
}











Regards
Ketaki

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MS SQL Server Handling Unicode Data

Feb 21, 2007

Hi,

I want to fetch Unicode data from MS SQL server 2005.I have created one user with russian language characters.

Following is my code snippet:
------------------------------------
wchar_twchar1[55];
char VALUE[255];

while (rc != SQL_NO_DATA)
{
rc = SQLFetch(hstmt);
if (rc != SQL_NO_DATA)
memset(VALUE,0,255);
int length=wcstombs( NULL,(wchar_t *)&wchar1, wcslen(wchar1));
char* strChar = (char *) malloc((length +1 )* sizeof(char));
if (strChar != NULL)
{
count++;
memset(strChar,0, length + 1 );
int i =wcstombs(strChar, wchar1, wcslen(wchar1) );
printf( "i is %d",i);
}
printf( "The length is %d",length);
wprintf(L" <%s>", wchar1);
printf(" simple char <%s>", strChar);
wprintf(L" simple char <%S>", wchar1);
}


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

CAn anybody help me ?
I think problem is in fetching of name.
Does anybody have working code for fetching unicode data from SQL server 2005.

Also I want query that will tell the locale setting of the server and also client?


Thanks-----

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Store And Retrieve Unicode Data

Oct 31, 2007



HI,
I want to store unicode data and retrieve them using C#.
How can I do so?
Data is saved but can not retrive. The data displayed as (??????).
Could Anybody Help me.

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Dec 18, 2006

Hi there,Trying to work with SQL2005 with Hebrew characters. If i use the Unicode character data types do i need to change the database collation???. regards   

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Hi everybody,

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