Ntext Question
Jul 20, 2005
Dear Group
I admit, this might be a very ignorant question.
BOL says about the ntext data type:
Variable-length Unicode data with a maximum length of 2^30 - 1
(1,073,741,823) characters.
I've stored a string consisting of around 45.000 characters in a ntext
field - done by copying the string in my txt document and pasting in
Enterprise Manager.
When I determine the datalength of the field in SQL Analyzer I get
2046.
Is this realistic? Is it bytes or the actual number of characters? It
seems incrrect to me..
Although, when I read the string with a DataReader based on a stored
procedure and save it in a string variable in my VB.NET application,
the string is truncated, although the variable can hold up to
approximately 2 billion Unicode characters according to MSDN.
I just wonder whether I've done something wrong or misunderstood
something on the SQL server side that causes this problem.
Thanks very much for your help!
Martin
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Nov 28, 2007
I am running this query to an sql server 2000 database from my aspcode:"select * from MyTable whereMySqlServerRemoveStressFunction(MyNtextColumn) = '" &MyAdoRemoveStressFunction(MyString) & "'"The problem is that the replace function doesn't work with the ntextdatatype (so as to replace the stresses with an empty string). I hadto implement the MySqlServerRemoveStressFunction, i.e. a function thattakes a column name as a parameter and returns the text contained inthis column having replaced some letters of the text (the letters withstress). Unfortunately, I could not do that because user-definedfunctions cannot return a value of ntext.So I have the following idea:"select * from MyTable whereCheckIfTheyAreEqualIngoringTheStesses(MyNtextColum n, '" & MyString &"')"How can I implement the CheckIfTheyAreEqualIngoringTheStessesfunction? (I don't know how to combine these functions to do what Iwant: TEXTPTR, UPDATETEXT, WRITETEXT, READTEXT)
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Dec 22, 2003
I wonder if I should do something to the data I store on ntext fields
so far it looks like it has no problem holding special chracters (as it should B for unicode)
anyway - is there some combinations I should avoid ?
Should I use something like on old ASP Server.URLEncode() or Server.HTMLEncode() ?
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Mar 6, 2004
hi all,
I am new to sql server.
I need some help regarding ntext value.I am using an insert stored proc to insert the value into ntext field, till now i have been using a varchar variable to pass the value. but i think this doesn't work when the size exceeds the limit of varchar and also what if i want to perform group insert?
and the major issue i am concerned about is, i don't want to update this field quite often.I need to check whether the existing ntext value and the new value which i want to insert are different.I want to do it in a better way than processing both values entirely.I want to make sure that the update statement is executed only when both values differ.
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Mar 18, 2004
HI all,
I Need some help over ntext datatype.one of my table columns is of ntext datatype. how to insert or update this thru storedprocs.
any special notes regarding ntext column.
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Jul 20, 2005
If I insert 8000 byte of data, in the one of the column. now I want toread the data, is there any to see all the data, through selectstatement?
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Jun 20, 2006
Hi, I'm using a column (ntext) to store some long strings. An example of the string that I need to store is the following:
436;Implementing A Gang - Awareness Program/And A Middle School
Gang Prevention Curriculum. Doctoral Th;Samuels;Donald J;Miami
IV;Administrators; At Risk; Child And Youth Studies; Community;
Community Members; Drop Out Prevention; Educational Leadership;
Law/Criminal Justice; Peer Counseling; Principals; Secondary Education
I wrote a store procedure that does it, but it seems that the column
space is not enough for the above string. The string in fact, is
truncated and only the following portion is stored in my table:
436;Implementing A Gang - Awareness Program/And A Middle School Gang
Prevention Curriculum. Doctoral Th;Samuels;Donald J;Miami
IV;Administrators; At Risk; Child And Youth Studies; Community;
Community Members; Drop Out Prevention; Educational Leadership
What can I do?
Christian
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Jul 25, 2007
Hi, I have the following problem. I cannot alter column which is ntext under sql server 2000. I get the following error:25-Jul-2007 09:27:11 ERROR [sol.cm.dbsetup.StatementReader] Error occured while executing the statement: Cannot alter column 'asz' because it is 'ntext'. SQLState = S0001 ErrorCode = 492825-Jul-2007 09:27:11 ERROR [sol.cm.dbsetup.StatementReader] SQL statement was: ALTER TABLE a ALTER COLUMN asz NTEXT NOT NULL I cannot use varchar because it is to short. Please tell me if there is a magic way to do this. I've already read in documentation that I cannot alter column which is ntext. Is there really no way to do this. Please help :)
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Jun 2, 2008
hi
i wants to order by ntext data type.
like
1.1.1.3.1.11.1.1.3.1.11.1.1.3.1.21.1.1.3.1.21.1.1.3.1.31.1.1.3.1.31.1.1.3.1.41.1.1.3.1.41.1.1.3.1.4.11.1.1.3.1.4.11.1.1.3.1.4.101.1.1.3.1.4.101.1.1.3.1.4.111.1.1.3.1.4.111.1.1.3.1.4.121.1.1.3.1.4.121.1.1.3.1.4.131.1.1.3.1.4.131.1.1.3.1.4.141.1.1.3.1.4.141.1.1.3.1.4.151.1.1.3.1.4.151.1.1.3.1.4.161.1.1.3.1.4.161.1.1.3.1.4.21.1.1.3.1.4.21.1.1.3.1.4.31.1.1.3.1.4.31.1.1.3.1.4.41.1.1.3.1.4.41.1.1.3.1.4.51.1.1.3.1.4.51.1.1.3.1.4.61.1.1.3.1.4.61.1.1.3.1.4.71.1.1.3.1.4.7
Thanks
Parth
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Aug 15, 2001
I am working in asp and using sql server 7. I have a section where the input is to long to use a char field so i had to set the field as ntext. Now i am trying to do a section where i wanna look and see if the field is null and if not then it is to perform an operation. If it is null it is to skip and go to the next field in the record. However it is not performing this operation. It sees the first field and does pass the second one because it is null. If i put in a character into the field it will go on until it gets to a null again and then stops. Any suggestions?
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Mar 12, 2003
I have come across a column in a database table where the
Data Type = 'ntext'
and the Length = '16'
Does this mean that a maximum of 16 characters can be entered into that column?
Bianca
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Oct 26, 2005
Hallo. I need help, how pull out some inquiry string from type "ntext" in MS SQL(it is xml document). Sring has invariable length, in note is always on other position and includes variable text (e.g .:<actionId>xx</actionId>) . Position I can find out by the help of "patindex" but I don't know what then. I tryed to write procedures, but I had trouble with declaration variables (data type). Thanks and sorry for my horrible English.
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Jan 15, 2004
Hello All,
Maybe a stupid question but I'm new to the db admin work so please bear with me.
I've imported an Access db into SQL, in the Access db the field type was 'memo' to accomodate the large amount of text (on avg ruffly 4100 chars. with spaces). Now in SQL the field in the table I have set up as an ntext field, which I understood to be equivalent to a memo field in Access.
My problem is when saving data to the field the first time it saves all the data correctly with the exception of the field in question. The data in the field is '<LongText>', now when I try to update the data in the table I get a 'Data Truncated' error message and no update takes place throughout the table.
After testing this and trying different things, I've found that if I shorten this one field and try to save to the db I still get the 'Data Truncated' error message. If I shorten the data in the field AND delete the record from the SQL table then it will save just fine from there on out (which won't work for the reports).
I'm not sure what I'm missing here to get this to work the way it did in Access.
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Jun 1, 2004
Hi ...
I want define a ntext type variable and set the result of select from ntext field of table in that variable and Execute the variable .
Forexample :
Declare @A ntext
select @A=Fildntext from Table
set @A=@A+'string'
sp_executesql @A
Therefore how can i use ntext type??
thanks
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Sep 27, 2005
I am new to SQL Server and would like to hear opinions on pros and cons of using nText vs. nVarChar data type for following uses:
URLs (up to 260 bytes)
Addresses (50-300 bytes)
Descriptions and comments (50-2,000 bytes)
Memos (up to 8000 bytes)
TIA.
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Feb 6, 2007
Hello,
I need to save some news text in an SQL table. The text can be long.
1. Should I use nvarchar(MAX) or nText?
2. And what is the difference between nText and Text?
I am using SQL 2005.
Thanks,
Miguel
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Oct 24, 2007
Hai, i need ur suggestion to use ntext in my table. basically i want to store the xml data(will be in same xml format only) in sql2000 database. the max size of the data will be 5mb.
so can i use ntext to store this data.basically, only once i insert the data to the database. no update after that. only i throw the query to retrieve that xml data from the database. is it advisable to use,ntext for this requirment. is there any other suggestion ??
help pls
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Feb 15, 2008
Dear All,
i'm trying to convert the datatype from ntext to nvarchar.i'm getting error. is it not possible?
Vinod
Even you learn 1%, Learn it with 100% confidence.
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Jul 20, 2005
Hi all,I have an asp page that writes to an ntext field in SQL Server 2000.All was going well until I had to put in a section of text greater than 8000bytes.Then I got a timeout error and the update wouldn't go through.After reading that 2000 only accepts chunks of 8000 bytes or under at atime, I attempted to use the AppendChunk method.The code I wrote seems to work first time I enter text in the page, nomatter how big. But when I try to update the ntext file,if it is more than 8K, it just sits there and nothing happens. Now I donteven get a timeout error.From what I read, I was assured this would work.For small text files under 8K it works beautifully, I can add and removetext and it all works fast.But as soon as the ntext field gets beyond that size its totally unworkable,and seems to be just the same as using the standard UPDATE method. I'veattached the code.If anyone has any suggestions I would be eternally grateful, this is drivingme nuts. I've attached the offending code.ThanksBill' ***********************************************' * PageStatus: SAVE Action: EDIT *' ***********************************************IF PageStatus = "SAVE" AND Action = "EDIT" THENsqlc = "SELECT * from " & tblNameDim FldValDim rsSet rs = Server.CreateObject("ADODB.Recordset")rs.cursortype = 1rs.cursorlocation = 3rs.locktype = 3rs.Open sqlc, oConniChunk = 254cTxtDescription = SQLReady(FileUp.Form(lang))For iNo = 1 to len(cTxtDescription) step iChunkiStartAt = iNocWorkString = mid(cTxtDescription, iStartAt , iChunk )Response.Write "At byte " & iNo & vbCRLF & "<br/>"rs.Fields("SimpleChinese").AppendChunk(cWorkString)NextIF Page_Err = "OK" THEN' Perform the Queryrs.Updaters.CloseSet rs = NothingSet oConn = NothingEND IFEND IF
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Sep 11, 2007
So, here's the conundrum.
We have ProcA that uses nText as one of it's parameters. It works fine.
I'm writing ProcB, that calls ProcA and also accepts nText as a parameter.
Unfortunately, I have to do a string replace in that nText field. But, I've got that sorted out, with a little UPDATETEXT voodoo.
My input parameter, now exists unchanged as @Body and in #nText.txt with all the modifications completed.
The problem, is I need to pass that #nText.txt value as a parameter to ProcA.
I can't use 'SELECT @Body = txt FROM #nText' because I get an assignment error (can't assign nText values).
And I can't seem to call ProcA with the value from the table directly.
What can I do? I'm 99% there, I just need to take this last step and I can put this garbage behind me.
Thanks
-C
ps SQL2000
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Jun 24, 2006
Hello!
I'm trying to move from MSDE to SQL Everywhere in my project, which requires using of ADO classic and i have some problems storing ntext data in SQLEv database using parametrized command.
Could it be that the problem is because of ADO classic? Is it ok to use old ADO with SQLEv OLEDB provider and will compatibility with old ADO be maintained in SQLEv?
Below is JScript code illustrating the situation:
-------------------------------
var oConn = new ActiveXObject("ADODB.Connection");
oConn.Open(sConnStr);
var oCmd = new ActiveXObject("ADODB.Command");
oCmd.ActiveConnection = oConn;
var sText = "test text";
oConn.Execute("create table tblTest(sText ntext)");
oCmd.CommandText = "insert into tblTest(sText) values(?)";
oCmd.Parameters(0).Value = sText;
oCmd.Parameters(0).Size = sText.length;
oCmd.Execute();
-------------------------------
It gives me 'Microsoft SQL Server 2005 Everywhere Edition OLE DB Provider: The given type name was unrecognized. [,,,,,]'.
If i remove 'oCmd.Parameters(0).Size = sText.length;' error changes to 'Insufficient memory to complete the operation.'
The same code works ok for MSDE and SQLExpress.
OS:Windowx XP SP2
MDAC version: 2.8
Many thanks!
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Aug 18, 2006
Is there any way to datamine using ntext? I'm trying to run some BI on some email messages -- seeing if it can accurately classify email into the proper folder. Currently, I get complains that ntext isn't comparable.
Is this scenario supported?
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Oct 15, 2006
A sql server 2000 table contains a ntext field that needs to be updated. The update is replacing a particular string in the ntext field. I heard it's hard to do it in sql server 2000 itself. Can it be done easily in an SSIS? Please kindly provide example. Thanks.
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Nov 17, 2006
i define a clumn like this:
clumn name: Body
data type: ntext
then i run a store procedure which is defined as :
create insert_artcle as
(
@body ntext
)
insert into article{body}
values{@body}
but the data get into the database is truncated to 8 charactors
what is the problem? Is it has something to do with the ntext size 16?
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Dec 18, 2006
In one of my tables, the data type is ntext and if it contains a null value, I get the following error:String[6]: the Size property has an invalid size of 0I'm using vb.net 2005 and sql server 2000.Here's a code snippet of my code behind:
Dim pDescription As SqlParameter = Command.Parameters.Add("@description", SqlDbType.NText)
pDescription.Direction = ParameterDirection.Output
And my stored procedure:
CREATE PROCEDURE dbo.retrieveEquipmentDetails
@idINT,
@assignedIDVARCHAR(50)OUTPUT,
@manufacturerVARCHAR(100)OUTPUT,
@modelNumberVARCHAR(50)OUTPUT,
@serialNumberVARCHAR(50)OUTPUT,
@equipmentTypeVARCHAR(50)OUTPUT,
@descriptionNTEXTOUTPUT,
@locationVARCHAR(50)OUTPUT,
@statusVARCHAR(50)OUTPUT,
@modifiedDateDATETIMEOUTPUT,
@modifiedByINTOUTPUT,
@notesNTEXTOUTPUT,
@calibrationLabIdVARCHAR(255)OUTPUT,
@calibrationRequiredBITOUTPUT,
@calibrationDateDATETIMEOUTPUT,
@calibrationDueDateDATETIMEOUTPUT,
@assetNumberVARCHAR(50)OUTPUT,
--@pictureIMAGEOUTPUT,
@errMessageVARCHAR(256)OUTPUT
AS
BEGIN
DECLARE @errCode INT
DECLARE c_equipment CURSOR FOR
SELECT a.assignedID,
b.Manufacturer,
a.modelNumber,
a.serialNumber,
e.equipmentType,
a.Description,
c.Location,
d.Status,
a.modifiedDate,
a.modifiedBy,
a.Notes,
--a.Picture,
f.LabName,
a.calibrationRequired,
a.calDate,
a.CalDueDate,
a.assetNumber
FROM tblEquipments a,
tblManufacturers b,
tblLocation c,
tblStatus d,
tblEquipment_Type e,
tblLabs f
WHERE a.ID = @id
AND a.manufacturer = b.manufacturerID
AND a.location = c.locationID
AND a.Status = d.statusID
AND a.EquipmentType = e.ID
AND f.ID = a.calLab
FOR READ ONLY
OPEN c_equipment
FETCH NEXT FROM c_equipment INTO @assignedID, @manufacturer, @modelNumber,
@serialNumber, @equipmentType, @description, @location, @status,
@modifiedDate, @modifiedBy, @notes, @calibrationLabId, @calibrationRequired, @calibrationDate,
@calibrationDueDate, @assetNumber--, @picture
IF( @@FETCH_STATUS <> 0 )
BEGIN
SET @errMessage = 'Equipment not found.'
GOTO HANDLE_APPERR
END
CLOSE c_equipment
DEALLOCATE c_equipment
SET @errCode = 0
RETURN @errCode
HANDLE_APPERR:
IF( CURSOR_STATUS( 'local', 'c_equipment' ) >= 0 )
BEGIN
CLOSE c_equipment
DEALLOCATE c_equipment
END
SET @errCode = 1
RETURN
HANDLE_DBERR:
SET @errCode = -1
RETURN
END
GO
So, if anyone has any suggestions, I would like to hear them.And btw, it also happens to the image field (@picture) but I commented it out to try to get the rest working until I'm ready to tackle that one.Thanks,Zath
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Apr 6, 2008
Hi all
I have a table with one nText Field , some times i need to realize whether two records have the same value in that nText Field or not , so how can i compare
these two records based on their ntext Fields.? in the other words i'm looking for some thing like the follows:
declare @a nTextdeclare @b nText
select @a=MynTextField from MyTable where PK=18select @b=MynTextField from MyTable where PK=21
if @a=@b print 'Records Are the same'else print 'Record are not the same'
Thanks in advance.
Regards.
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Dec 9, 2003
hi,
Does anyone have any sample code for using ntext data type, when inserting or reading big block of texts? How can you read a big huge block of text back into c#?
thx
-Philip
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Mar 10, 2006
I need to find a way to update a notes field that is ntext in a table with an update statement. The code will run as a SQL job. I though something like the following, but doesn't like it:
update dbo.myTable set notes = notes + ' addtional notes to append'
Any ideas? thanks...
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Aug 28, 2000
Is it possible to convert from ntext to varchar or text??
This is the syntax: ALTER TABLE ssu ALTER COLUMN analysis varchar NULL. This is the error message
Server: Msg 4928, Level 16, State 1, Line 1
Cannot alter column 'ANALYSIS' because it is 'ntext'. Thanks in advance!
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Mar 25, 1999
Hello everybody,
When I attempt to return a ntext or text field from a recordset to a client I receive the following error:
Microsoft OLE DB Provider for ODBC Drivers error '80020009'
Why won't ASP permit me to render this field.
Sincerely,
Arthur Lambiris
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Aug 11, 2005
Hi,
Please help me to find out the ntext column size in a table.
Thanks in advance
Regards
Karthik
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Aug 17, 2004
Hi All,
I will be doing stress test for my app.
Loading thousands of records to the DB through bulk insert.
There's one field NText which I have left NULL because it will be hard to gen dummy flat file to it.
I have another table which has the Ntext Value which i will want to copy and duplicate to the other table.
what is the way to do it?
simply said i want to update a record with NULL value from one table with NText field with the value from another table..
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Sep 9, 2004
Hello, I have a very simple trigger that only copies the data from one table to a historial table, when a row is deleted. It works fine, but now I need to change it becouse I am inserting a new column to the table, which type is ntext, and when I try to declare a ntext variable (inside the trigger), it does not allow me. Does anyone know how to go round this? Here is the code of the trigger (maybe it is not efficient, as I am a newbie in this :D, please tell if so as well)
CREATE TRIGGER OnDelete ON dbo.Tracker
FOR DELETE
AS
declare @IDregistro as integer;
declare @IDTIT as integer;
declare @negocio as nvarchar(50);
declare @fechaOr as datetime;
declare @asuntoOr as nvarchar(50);
declare @estadoOr as nvarchar(50);
declare @descripcionOr as nvarchar(255);
declare @usuarioOr as nvarchar(50);
declare @contactoOr as nvarchar(50);
declare @companiaOr as nvarchar(40);
--declare @desc as ntext; --DOES NOT WORK!!
declare @fechaSus as datetime
select @fechaSus = getdate()
select @IDregistro = IDregistro from deleted;
select @IDTIT = IDTitular from deleted;
select @negocio = negocio from deleted;
select @fechaOr = fecha from deleted;
select @asuntoOr = asunto from deleted;
select @estadoOr =estado from deleted;
select @descripcionOr = descripcion from deleted;
select @usuarioOr = usuario from deleted;
select @contactoOr = contacto from deleted;
select @companiaOr = compania from deleted;
insert into Historico (IDregistro, IDtitular, Negocio, FechaSuceso,TipoSuceso, FechaOriginal, AsuntoOriginal, EstadoOriginal, DescripcionOriginal, UsuarioOriginal, ContactoOriginal, CompaniaOriginal) Values (@IDregistro, @IDTIT, @negocio, @fechaSus, 'DELETE', @fechaOr, @asuntoOr, @estadoOr, @descripcionOr, @usuarioOr, @contactoOr, @companiaOr)
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