Converting An Existing Database(ASCII) To Unicode UTF 8
Oct 6, 2006
Adedoyin Akinnurun writes "i have a database that is running using regular ascii characters.. i am trying to migrate this database to support several other languges(globalization). I need ideas on how to migrate this database to UTF 8 .
Someone suggested converting all the varchar and char to nvarchar and nchar .. but i have a lot of data on the system and this might take a lot of time..
Any ideas would be appreciated !!!!"
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May 6, 2015
In my package , I am used CDC Source transformation and received the Net changes then insert into Destination. But whatever Data coming from CDC source data type Varchar value needs to Converting Non Unicode string to Unicode string SSIS. So used Data conversion transformation to achieved this.  I need to achieve this without data conversion.
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Dec 9, 2007
Is there any way to convert Unicode (NVarchar) to Ascii (Varchar)?
If I just use cast , the result will become ???.
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May 30, 2006
Hi
I am importing data from mainframe using DTS the problem is that I am getting some COMP fields from the mainframe these are compressed data fields that are used to reduce storage space on the main frame. Can some one please help me understand how we can use DTS to solve this problem that is decompress it before transferring to table in SQL server.
any code in scripting language to help decompress this datatype will be really appreciated.
Thanks
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May 6, 2007
hi,
Pls let me know the code to convert the Non unicode tables in the database to Unicode.
that is varchar to Nvarchar etc
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Jun 29, 2006
Any one know the process of transfering the database from non-unicode to unicode. Coz I like to transfer the data from english to hebrew.
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Jul 28, 2015
I am using OLE DB source to extract data from Oracle. I have query (sample) like below, but SSIS is converting ID as Unicode String [DT_WSTR]. Why is that? and how to avoid this?
SELECT
1 AS ID
FROMÂ
ORACLE_TABLE
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Jul 20, 2005
Hi there.We have an application that can run on a non-unicode or a unicode sqlserverdatabase.Currently the application is running in a unicode database, as anon-unicode database is less than half the size, I would prefer tohave a non-unicode database for demo purposes to be on my laptop, etcetcIs it possible to change a unicode sql server 2000 database into anon-unicode database?And if so, how would I go about doing this?Any help would be greatly appreciated.ThanksRodger
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Aug 13, 2007
Hi All,
I would like to restore database using RESTORE DATABASE ... REPLACE command.
If database exists already and has any open connections this command will fail.
I would like to close all existing connections to specific database before running RESTORE DATABASE ... REPLACE command.
I can do closing from Management Studio using checkbox "Close Existing Connection" when deleting database. Actually I need to do the same but from script.
Please advice me how to do it.
Thanks in advance,
Roman
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Oct 22, 2015
I’m getting ASCII characters in one column of my table. So I want to replace same column value in NON ASCII characters.
Note – values in column must be same
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Aug 22, 2006
Hi everyone,
I need to save the ascii data in my sql express 2005 database in one table and in 2 coloums in this table using VB express...
Can I do it by datareader or with bulk insert t-sql command?
I tried it this way but it gives error like "connection property is not initialised" it is on executenonquery row in the code...
Dim cmd = New SqlCommand("BULK INSERT RFID.dbo.stock(material_number,total) FROM 'C:can1.txt' " & _
"WITH FIELDTERMINATOR = ',', ROWTERMINATOR = '' ")
connection.Open()
cmd.executenonquery()
connection.Close()
I hope some can help with this problem....
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Jul 19, 2006
Hi everyone,
I have to write a program in VB to receive the read data from a RFID reader for my graduation project.The problem is I am not a computer science student so I have only general info on programming.
I created my DB in VB express but I couldn't find out how to send the read data (that will be either in XML or ASCII format) to my database...The read data will be transferred to my computer by the RFID reader's software but after that I don'T know how to transfer it to my DB.As I know I have to use commands like read.xml etc,but no idea how write the complete program.
I checked the forum and couldn't find the answer,sorry if someone already answered my question and I missed it.
Thanks...
Can
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Aug 7, 2012
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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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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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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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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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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May 7, 2009
For packages that I have created to read Oracle 10g tables, that work fine with debugging in 32-bit mode, I get an error message on all string fields when I try to run in 64-bit mode. An example error message is:[OLE DB Source [1]] Error: Column "ACCT_UNIT" cannot convert between unicode and non-unicode string data types.Another interesting warning included is:[OLE DB Source [1]] Warning: The external columns for component "OLE DB Source" (1) are out of synchronization with the data source columns. The external column "ACCT_UNIT" needs to be updated.I cannot even try to convert this data with a Data Conversion item because the (red) error is on the OLE DB Source item and stops there. It doesn't matter what the destination is or even if there is a destination in the package yet.I'm using Oracle Provider for OLE DB, Oracle Client version 10.203 for 32-bit and Oracle Client 10.204 for 64-bit.Oracle is 10g on a UNIX 64-bit server and the data is not unicode.I'm using SQL Server Enterprise 2008 (10.0.1600) on Windows Server 2008 Standard SP1 on a 64-bit server.The packages work fine in 32-bit mode and the data is not unicode data. When I change Run64BitRuntime to True in the Debugging Property Page, I get the error on the OLE DB Source item. I also get the error when I schedule a package to run using the SQL Server Agent.
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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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Mar 26, 2007
Hi,We have stored proc name proc_test(str nvarchar(30)). So far this prochas been invoked from a .NET application assuming that only Englishcharacter strings will be passed to it. The calls are likeproc_test('XYZ')We now have a requirement for passing Chinese strings as well. Ratherthan changing the calls throughout the application, we would like tohandle it in the stored procedure so that it treats the string as aunicode string. Can we apply some function to the parameter to convertit to unicode so that we don't have to call with an N prefixed to thestring?Thanks,Yash
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May 12, 2008
Hi,
I currently have a web application connected to a MSSQL 2005 database. We are signing some new clients to our web application who will be using a different language set. So were going have to change the database to Unicode? Anyone have any experience with this, or what are the steps implications involved?
Thanks.
d
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May 2, 2008
We are in the process of converting an existing database to Unicode. Has anyone encountered any problems in doing this?
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Jun 17, 2007
I have a problem with Insert and Update Unicode data to database
I can send Unicode data using string with N prefix (Ref 001)
Below I write some line of my SP
But It does not write Unicode data to table, it writes like ????????
How to insert data using n prefix with Declared Variable?
How can avoid this problem?
Any other method to pass unicode data using SP?
Please help me...
column UnitName nvarchar
Sample Stored Procedure (SP)
SP header:
CREATE PROCEDURE ltrsp_AddEditUnit
@UnitID char(4),
@UnitName nvarchar(20),
@UtrID int
Insert:
INSERT INTO ltrtb_Unit (UnitID,UnitName,UtrID) VALUES (@UnitID,@UnitName,@UtrID)
Update:
---
UPDATE
ltrtb_Unit
SET
UnitName=@UnitName, UtrID=@UtrID
WHERE
UnitID=@UnitID
Ref 001:
found a method to insert unicode data to table (Using N' prefix), but I want to add using declared variable
INSERT INTO ltrtb_UserLevel (UserLevel,Description) VALUES (1,N'Unicode String')
From the URL,
http://databases.aspfaq.com/general/why-do-some-sql-strings-have-an-n-prefix.html
But I need to know how to pass the data using stored procedure
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Aug 14, 2007
I got following problems during copying database around different hosts.
Could anyone help me?
BR.
nathan
Event Type: Error
Event Source: SQLISPackage
Event Category: None
Event ID: 12550
Date: 8/15/2007
Time: 2:53:51 AM
User: NT AUTHORITYSYSTEM
Computer: DB1
Description:
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: NT AUTHORITYSYSTEM
Source Name: db_pushfun_com_DB1_Transfer Objects Task
Source ID: {939367C5-D98E-4C92-9688-9F32595DB981}
Execution ID: {09E39535-95E0-47EC-B49C-803B0986B1BB}
Start Time: 8/15/2007 2:53:51 AM
End Time: 8/15/2007 2:53:51 AM
Data Code: 0
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
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Jul 23, 2005
Hi all, we are now planning to upgrade our application from anon-unicode version to a unicode version. The application's backend isa 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 toextract these data out to the new SQL Server which is using Unicode (Iassume it means converting them to nchar, nvarchar type of fields for Idon't enough information from the application side, or is there ageneral unicode collation that will make even char and varchar types tostore data as Unicode?).The problem is what's the best and most efficient way to do this dataconversion?bcp? DTS? or others?thanks a lot
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Nov 8, 2006
I have built a large package and due to database changes (varchar to nvarchar) I need to do a data conversion of all the flat file columns I am bringing in, to a unicode data type. The way I know how to do this is via the data conversion component/task. My question is, I am looking for an easy way to "Do All Columns" and "Map all Columns" without doing every column by hand in both spots.
I need to change all the columns, can I do this in mass? More importantly once I convert all these and connect it to my data source it fails to map converted fields by name. Is there a way when using the data conversion task to still get it to map by name when connecting it to the OLE destination?
I know I can use the wizard to create the base package, but I have already built all the other components, renamed and set the data type and size on all the columns (over 300) and so I don't want to have to re-do all that work. What is the best solution?
In general I would be happy if I could get the post data conversion to map automatically to the source. But because its DataConversion.CustomerID it will not map to CustomerID field on destination. Any suggestions on the best way to do this would save me hours of work...
Thanks.
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Nov 28, 2005
Hi everybody,
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Nov 14, 2007
Hi,
We have recently been looking into creating our SQL Server 2005 database as a unicode database using UTF-8 encoding. However initial search's suggest that SQL Server 2005 does not support the creation of UTF-8 db's and only supports UCS-2. Is this the case? If so then why is it not supported as most other vendors (Oracle, IBM) support it. If it is possible to create a UTF-8 database could you provide some details on how to go about this?
Thanks,
Cathal
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Dec 11, 2006
Hi all,I am using a Strongly Typed DataSet (ASP.NET 2.0) to insert new data into a SQL Server 2000 database, types of some fields in db are nvarchar. All thing work fine except I can not insert unicode data(Vietnamese language) into db.I can't find where to put prefix N. Please help me!!!
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Aug 6, 2015
I want to restore a database (from an encrypted .bak file) - but *not* over the live original if you take my meaning. Encryption is the standard AES-256 that comes with Sql Server 2014 btw. I don't want the original touched/altered in any way. I would like to capture a success message if possible.I can extract the physical device name of the database in question using the following code:
SELECT physical_device_name, *
FROM msdb.dbo.backupmediafamily
WHERE media_set_id =(SELECT TOP 1 media_set_id
FROM msdb.dbo.backupset
WHERE database_name='MyDatabase'
AND type='D'
ORDER BY backup_start_date DESC)
I would like if the newly restored database was rename to something different than 'MyDatabase' (as shown above) and has different logs than the original. If possible, and capture a success message when restored.
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Feb 20, 2007
Hi, My server went dead(problems with the hard disk), but I have a copy of the whole sql server directory including the database in a external hard disk. I have a new server now and I would like to copy this database (with the reports from reporting services too) from the external hard disk to my new server. can anybody help me please? Thanks.
Note : I have a plain copy of all the sql server directory with all the files including the database not a SQLServer backup done with the wizards.
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