NVarChar 4000 Limit

Mar 3, 2008

I'm using a function which splits a comma delimitted list of numbers which I call from a stored procedure. The list is defined as a NVarChar which has a maximum length of 4000 characters. I often need to pass more than 4000 characters. If I do so, I receive the error message below. Is there any way around this limitation? Thanks.

Msg 257, Level 16, State 2, Procedure up_ExportQuickSearchresults, Line 0
Implicit conversion from data type text to nvarchar is not allowed. Use the CONVERT function to run this query.

CREATE FUNCTION dbo.Split
(
@ItemList NVARCHAR(4000),
@delimiter CHAR(1)
)
RETURNS @IDTable TABLE (IDDir NVARCHAR(4000))
AS

BEGIN
DECLARE @tempItemList NVARCHAR(4000)
SET @tempItemList = @ItemList

DECLARE @i INT
DECLARE @IDDir NVARCHAR(4000)

SET @tempItemList = REPLACE (@tempItemList, ' ', '')
SET @i = CHARINDEX(@delimiter, @tempItemList)

WHILE (LEN(@tempItemList) > 0)
BEGIN
IF @i = 0
SET @IDDir = @tempItemList
ELSE
SET @IDDir = LEFT(@tempItemList, @i - 1)
INSERT INTO @IDTable(IDDir) VALUES(@IDDir)
IF @i = 0
SET @tempItemList = ''
ELSE
SET @tempItemList = RIGHT(@tempItemList, LEN(@tempItemList) - @i)
SET @i = CHARINDEX(@delimiter, @tempItemList)
END
RETURN
END

CREATE PROCEDURE up_ExportSelectedDirectors
@p_selectedDirectors NVARCHAR(4000)
AS
BEGIN

SELECT * FROM v_SearchResultsDirectors
WHERE IDDir IN (SELECT IDDir FROM split(@p_selectedDirectors, ','))
END
GO

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The Parameterized Query '(@contactdate Nvarchar(4000),@dnbnumber Nvarchar(4000),@prospect' Expects The Parameter '@futureopportunity', Which Was Not Supplied.

Jan 10, 2008

HI, I am running the below method which returns this error: The parameterized query '(@contactdate nvarchar(4000),@dnbnumber nvarchar(4000),@prospect' expects the parameter '@futureopportunity', which was not supplied" Please help.Private Shared Sub InsertData(ByVal sourceTable As System.Data.DataTable, ByVal destConnection As SqlConnection)
' old method: Lots of INSERT statements Dim rowscopied As Integer = 0
' first, create the insert command that we will call over and over:
destConnection.Open()Using ins As New SqlCommand("INSERT INTO [tblAppointmentDisposition] ([contactdate], [dnbnumber], [prospectname], [businessofficer], [phonemeeting], [followupcalldate2], [phonemeetingappt], [followupcalldate3], [appointmentdate], [appointmentlocation], [appointmentkept], [applicationgenerated], [applicationgenerated2], [applicationgenerated3], [comments], [newaccount], [futureopportunity]) VALUES (@contactdate, @dnbnumber, @prospectname, @businessofficer, @phonemeeting, @followupcalldate2, @phonemeetingappt, @followupcalldate3, @appointmentdate, @appointmentlocation, @appointmentkept, @applicationgenerated, @applicationgenerated2, @applicationgenerated3, @comments, @newaccount, @futureopportunity)", destConnection)
ins.CommandType = CommandType.Textins.Parameters.Add("@contactdate", SqlDbType.NVarChar)
ins.Parameters.Add("@dnbnumber", SqlDbType.NVarChar)ins.Parameters.Add("@prospectname", SqlDbType.Text)
ins.Parameters.Add("@businessofficer", SqlDbType.NChar)ins.Parameters.Add("@phonemeeting", SqlDbType.NVarChar)
ins.Parameters.Add("@followupcalldate2", SqlDbType.NVarChar)ins.Parameters.Add("@phonemeetingappt", SqlDbType.NVarChar)
ins.Parameters.Add("@followupcalldate3", SqlDbType.NVarChar)ins.Parameters.Add("@appointmentdate", SqlDbType.NVarChar)
ins.Parameters.Add("@appointmentlocation", SqlDbType.NVarChar)ins.Parameters.Add("@appointmentkept", SqlDbType.NVarChar)
ins.Parameters.Add("@applicationgenerated", SqlDbType.NVarChar)ins.Parameters.Add("@applicationgenerated2", SqlDbType.NVarChar)
ins.Parameters.Add("@applicationgenerated3", SqlDbType.NVarChar)ins.Parameters.Add("@comments", SqlDbType.Text)
ins.Parameters.Add("@newaccount", SqlDbType.NVarChar)ins.Parameters.Add("@futureopportunity", SqlDbType.NVarChar)
' and now, do the work: For Each r As DataRow In sourceTable.RowsFor i As Integer = 0 To 15
ins.Parameters(i).Value = r(i)
Next
ins.ExecuteNonQuery()
'If System.Threading.Interlocked.Increment(rowscopied) Mod 10000 = 0 Then
'Console.WriteLine("-- copied {0} rows.", rowscopied)
'End If
Next
End Using
destConnection.Close()
End Sub

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The 4000 Character Limit For Expressions

Apr 4, 2006

I am building rather large SQL statements using expressions and I am about to hit the 4000 character limit. First, what were the reasons for setting such a low limit? With it in place you are forced to come up with other solutions, but perhaps that was the intention.

Speaking of limits, what are the limits for storing a value in a string that is defined in a package configuration file? What are the limits when creating a string within a script task and then use it to set a string variable in the package? What are the limits when using a string value as an input parameter to an Execute SQL Task using OLE DB? Do these differ depending on the connection type?

I guess I'm getting a bit paranoid about limits, but I don't want to hit any others late in the design.

Regards,
Lars

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Cannot Compare NVarChar(Max) Fields Over 4000 Chars

Oct 24, 2006

I had a post a week or so ago with this issue, I found the cause, but cannot figure out how to fix it... The problem is the comparison on the NVarChar(Max) fields when one of them exceeds 4000 chars. If I comment out the following lines of the stored proc, everything works. I tested without using COALESCE and it still does not work. COALESCE(Comments, '') = COALESCE(@o_Comments, '') ANDCOALESCE(SpecialNotes, '') = COALESCE(@o_SpecialNotes, '') ANDCOALESCE(IAppComments, '') = COALESCE(@o_IAppComments, '') ANDCOALESCE(MgmtNotes, '') = COALESCE(@o_MgmtNotes, '') AND set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go

ALTER PROCEDURE [dbo].[pe_updateAppraisal]
-- Add the parameters for the stored procedure here
@OrderId INT,
@FileNumber NVarChar(25),
@OrderDate DateTime,
@ClientID NVarChar(25),
@ClientFileNumber NVarChar(25),
@PropertyTypeID INT,
@EstimatedValue money,
@PurchaseValue money,
@LoanOfficer NVarChar(50),
@ReportID INT,
@ReportFee money,
@FeeBillInd bit,
@FeeCollectInd bit,
@CollectAmt money,
@Borrower NVarChar(50),
@StreetAddrA NVarChar(50),
@StreetAddrB NVarChar(50),
@City NVarChar(50),
@CountyID INT,
@StateID INT,
@Zip NVarChar(50),
@ContactName NVarChar(50),
@PhoneA NVarChar(50),
@PhoneB NVarChar(50),
@PhoneC NVarChar(50),
@ApptDate DateTime,
@ApptTime NVarChar(25),
@AppraiserID INT,
@InspectionDate DateTime,
@DateMailed DateTime,
@TrackingInfo NVarChar(50),
@ReviewedBy INT,
@PreNotesID INT,
@PostNotesID INT,
@StatusID INT,
@Comments NVarChar(MAX),
@SpecialNotes NVarChar(MAX),
@MgmtName NVarChar(50),
@MgmtContactName NVarChar(50),
@MgmtAddress NVarChar(50),
@MgmtPhone NVarChar(50),
@MgmtFax NVarChar(50),
@MgmtFee money,
@CheckNumber NVarChar(25),
@MgmtNotes NVarChar(MAX),
@SentAppraiser DateTime,
@InfoReceived DateTime,
@CheckReceived DateTime,
@CheckMailed DateTime,
@INumFamilies NVarChar(10),
@IStyle NVarChar(15),
@IUnit NVarChar(15),
@IConstruction NVarChar(15),
@IBasement NVarChar(10),
@IBFinished NVarChar(10),
@IGarage NVarChar(10),
@INumCars NVarChar(2),
@IGarageType NVarChar(10),
@IContactHas NVarChar(10),
@IAvailable NVarChar(10),
@IInformedAmt NVarChar(5),
@IRealtorContract NVarChar(10),
@IContractContact NVarChar(50),
@IPermitCO NVarChar(10),
@ICORenewal NVarChar(10),
@IRenewalInt NVarChar(15),
@IAppComments NVarChar(MAX),
@IKitchen1 NVarChar(5),
@IKitchen2 NVarChar(5),
@IKitchen3 NVarChar(5),
@IKitchen4 NVarChar(5),
@IKitchenB NVarChar(5),
@IBedroom1 NVarChar(5),
@IBedroom2 NVarChar(5),
@IBedroom3 NVarChar(5),
@IBedroom4 NVarChar(5),
@IBedroomB NVarChar(5),
@IBathroom1 NVarChar(5),
@IBathroom2 NVarChar(5),
@IBathroom3 NVarChar(5),
@IBathroom4 NVarChar(5),
@IBathroomB NVarChar(5),
@AppraiserPerc NVarChar(6),
@AppraiserFee money,

@o_OrderId INT,
@o_FileNumber NVarChar(25),
@o_OrderDate DateTime,
@o_ClientID NVarChar(25),
@o_ClientFileNumber NVarChar(25),
@o_PropertyTypeID INT,
@o_EstimatedValue money,
@o_PurchaseValue money,
@o_LoanOfficer NVarChar(50),
@o_ReportID INT,
@o_ReportFee money,
@o_FeeBillInd bit,
@o_FeeCollectInd bit,
@o_CollectAmt money,
@o_Borrower NVarChar(50),
@o_StreetAddrA NVarChar(50),
@o_StreetAddrB NVarChar(50),
@o_City NVarChar(50),
@o_CountyID INT,
@o_StateID INT,
@o_Zip NVarChar(50),
@o_ContactName NVarChar(50),
@o_PhoneA NVarChar(50),
@o_PhoneB NVarChar(50),
@o_PhoneC NVarChar(50),
@o_ApptDate DateTime,
@o_ApptTime NVarChar(25),
@o_AppraiserID INT,
@o_InspectionDate DateTime,
@o_DateMailed DateTime,
@o_TrackingInfo NVarChar(50),
@o_ReviewedBy INT,
@o_PreNotesID INT,
@o_PostNotesID INT,
@o_StatusID INT,
@o_Comments NVarChar(MAX),
@o_SpecialNotes NVarChar(MAX),
@o_MgmtName NVarChar(50),
@o_MgmtContactName NVarChar(50),
@o_MgmtAddress NVarChar(50),
@o_MgmtPhone NVarChar(50),
@o_MgmtFax NVarChar(50),
@o_MgmtFee money,
@o_CheckNumber NVarChar(25),
@o_MgmtNotes NVarChar(MAX),
@o_SentAppraiser DateTime,
@o_InfoReceived DateTime,
@o_CheckReceived DateTime,
@o_CheckMailed DateTime,
@o_INumFamilies NVarChar(10),
@o_IStyle NVarChar(15),
@o_IUnit NVarChar(15),
@o_IConstruction NVarChar(15),
@o_IBasement NVarChar(10),
@o_IBFinished NVarChar(10),
@o_IGarage NVarChar(10),
@o_INumCars NVarChar(2),
@o_IGarageType NVarChar(10),
@o_IContactHas NVarChar(10),
@o_IAvailable NVarChar(10),
@o_IInformedAmt NVarChar(5),
@o_IRealtorContract NVarChar(10),
@o_IContractContact NVarChar(50),
@o_IPermitCO NVarChar(10),
@o_ICORenewal NVarChar(10),
@o_IRenewalInt NVarChar(15),
@o_IAppComments NVarChar(MAX),
@o_IKitchen1 NVarChar(5),
@o_IKitchen2 NVarChar(5),
@o_IKitchen3 NVarChar(5),
@o_IKitchen4 NVarChar(5),
@o_IKitchenB NVarChar(5),
@o_IBedroom1 NVarChar(5),
@o_IBedroom2 NVarChar(5),
@o_IBedroom3 NVarChar(5),
@o_IBedroom4 NVarChar(5),
@o_IBedroomB NVarChar(5),
@o_IBathroom1 NVarChar(5),
@o_IBathroom2 NVarChar(5),
@o_IBathroom3 NVarChar(5),
@o_IBathroom4 NVarChar(5),
@o_IBathroomB NVarChar(5),
@o_AppraiserPerc NVarChar(6),
@o_AppraiserFee money
AS
BEGIN

UPDATE Orders
SET FileNumber = @FileNumber,
OrderDate = @OrderDate, ClientID = @ClientID,
ClientFileNumber = @ClientFileNumber, PropertyTypeID = @PropertyTypeID,
EstimatedValue = @EstimatedValue, PurchaseValue = @PurchaseValue,
LoanOfficer = @LoanOfficer, ReportFee = @ReportFee,
FeeBillInd = @FeeBillInd, FeeCollectInd = @FeeCollectInd,
CollectAmt = @CollectAmt, Borrower = @Borrower,
StreetAddrA = @StreetAddrA, StreetAddrB = @StreetAddrB,
City = @City, CountyID = @CountyID, StateID = @StateID, Zip = @Zip,
ContactName = @ContactName, PhoneA = @PhoneA, PhoneB = @PhoneB,
PhoneC = @PhoneC, ApptDate = @ApptDate, ReportID = @ReportID,
ApptTime = @ApptTime, AppraiserID = @AppraiserID,
InspectionDate = @InspectionDate, DateMailed = @DateMailed,
TrackingInfo = @TrackingInfo, ReviewedBy = @ReviewedBy,
StatusID = @StatusID, Comments = @Comments,
SpecialNotes = @SpecialNotes, CheckNumber = @CheckNumber,
MgmtName = @MgmtName, MgmtContactName = @MgmtContactName,
MgmtAddress = @MgmtAddress, MgmtPhone = @MgmtPhone,
MgmtFax = @MgmtFax, MgmtFee = @MgmtFee, MgmtNotes = @MgmtNotes,
CheckMailed = @CheckMailed, CheckReceived = @CheckReceived,
InfoReceived = @InfoReceived, SentAppraiser = @SentAppraiser,
PreNotesID = @PreNotesID, PostNotesID = @PostNotesID,
INumFamilies = @INumFamilies,
IStyle = @IStyle, IUnit = @IUnit, IConstruction = @IConstruction,
IBasement = @IBasement, IBFinished = @IBFinished,
IGarage = @IGarage, INumCars = @INumCars,
IGarageType = @IGarageType, IContactHas = @IContactHas,
IAvailable = @IAvailable, IInformedAmt = @IInformedAmt,
IRealtorContract = @IRealtorContract, IContractContact = @IContractContact,
IPermitCO = @IPermitCO, ICORenewal = @ICORenewal,
IRenewalInt = @IRenewalInt, IAppComments = @IAppComments,
IBedroomB = @IBedroomB, IBedroom1 = @IBedroom1, IBedroom2 = @IBedroom2,
IBedroom3 = @IBedroom3, IBedroom4 = @IBedroom4, IKitchenB = @IKitchenB,
IKitchen1 = @IKitchen1, IKitchen2 = @IKitchen2, IKitchen3 = @IKitchen3,
IKitchen4 = @IKitchen4, IBathroomB = @IBathroomB, IBathroom1 = @IBathroom1,
IBathroom2 = @IBathroom2, IBathroom3 = @IBathroom4, IBathroom4 = @IBathroom4,
AppraiserPerc = @AppraiserPerc, AppraiserFee = @AppraiserFee
WHERE OrderID = @o_OrderId AND
COALESCE(FileNumber, '') = COALESCE(@o_FileNumber, '') AND
COALESCE(OrderDate, 01/01/1900) = COALESCE(@o_OrderDate, 01/01/1900) AND
COALESCE(ClientID, 0) = COALESCE(@o_ClientID, 0) AND
COALESCE(ClientFileNumber, '') = COALESCE(@o_ClientFileNumber, '') AND
COALESCE(PropertyTypeID, 0) = COALESCE(@o_PropertyTypeID, 0) AND
COALESCE(EstimatedValue, 0) = COALESCE(@o_EstimatedValue, 0) AND
COALESCE(PurchaseValue, 0) = COALESCE(@o_PurchaseValue, 0) AND
COALESCE(LoanOfficer, '') = COALESCE(@o_LoanOfficer, '') AND
COALESCE(ReportID, 0) = COALESCE(@o_ReportID, 0) AND
COALESCE(ReportFee, 0) = COALESCE(@o_ReportFee, 0) AND
COALESCE(FeeBillInd, 0) = COALESCE(@o_FeeBillInd, 0) AND
COALESCE(FeeCollectInd, 0) = COALESCE(@o_FeeCollectInd, 0) AND
COALESCE(CollectAmt, 0) = COALESCE(@o_CollectAmt, 0) AND
COALESCE(Borrower, '') = COALESCE(@o_Borrower, '') AND
COALESCE(StreetAddrA, '') = COALESCE(@o_StreetAddrA, '') AND
COALESCE(StreetAddrB, '') = COALESCE(@o_StreetAddrB, '') AND
COALESCE(City, '') = COALESCE(@o_City, '') AND
COALESCE(CountyID, 0) = COALESCE(@o_CountyID, 0) AND
COALESCE(StateID, 0) = COALESCE(@o_StateID, 0) AND
COALESCE(Zip, '') = COALESCE(@o_Zip, '') AND
COALESCE(ContactName, '') = COALESCE(@o_ContactName, '') AND
COALESCE(PhoneA, '') = COALESCE(@o_PhoneA, '') AND
COALESCE(PhoneB, '') = COALESCE(@o_PhoneB, '') AND
COALESCE(PhoneC, '') = COALESCE(@o_PhoneC, '') AND
COALESCE(ApptDate, 01/01/1900) = COALESCE(@o_ApptDate, 01/01/1900) AND
COALESCE(ApptTime, '') = COALESCE(@o_ApptTime, '') AND
COALESCE(AppraiserID, 0) = COALESCE(@o_AppraiserID, 0) AND
COALESCE(InspectionDate, 01/01/1900) = COALESCE(@o_InspectionDate, 01/01/1900) AND
COALESCE(DateMailed, 01/01/1900) = COALESCE(@o_DateMailed, 01/01/1900) AND
COALESCE(TrackingInfo, '') = COALESCE(@o_TrackingInfo, '') AND
COALESCE(ReviewedBy, 0) = COALESCE(@o_ReviewedBy, 0) AND
COALESCE(PreNotesID , 0) = COALESCE(@o_PreNotesID, 0) AND
COALESCE(PostNotesID, 0) = COALESCE(@o_PostNotesID, 0) AND
COALESCE(StatusID, 0) = COALESCE(@o_StatusID, 0) AND
/*COALESCE(Comments, '') = COALESCE(@o_Comments, '') AND
COALESCE(SpecialNotes, '') = COALESCE(@o_SpecialNotes, '') AND*/
COALESCE(CheckNumber, '') = COALESCE(@o_CheckNumber, '') AND
COALESCE(MgmtName, '') = COALESCE(@o_MgmtName, '') AND
COALESCE(MgmtContactName, '') = COALESCE(@o_MgmtContactName, '') AND
COALESCE(MgmtAddress, '') = COALESCE(@o_MgmtAddress, '') AND
COALESCE(MgmtPhone, '') = COALESCE(@o_MgmtPhone, '') AND
COALESCE(MgmtFax, '') = COALESCE(@o_MgmtFax, '') AND
COALESCE(MgmtFee, '') = COALESCE(@o_MgmtFee, '') AND
/*COALESCE(MgmtNotes, '') = COALESCE(@o_MgmtNotes, '') AND*/
COALESCE(SentAppraiser, 01/01/1900) = COALESCE(@o_SentAppraiser, 01/01/1900) AND
COALESCE(InfoReceived, 01/01/1900) = COALESCE(@o_InfoReceived, 01/01/1900) AND
COALESCE(CheckReceived, 01/01/1900) = COALESCE(@o_CheckReceived, 01/01/1900) AND
COALESCE(CheckMailed, 01/01/1900) = COALESCE(@o_CheckMailed, 01/01/1900) AND
COALESCE(INumFamilies, '') = COALESCE(@o_INumFamilies, '') AND
COALESCE(IStyle, '') = COALESCE(@o_IStyle, '') AND
COALESCE(IUnit, '') = COALESCE(@o_IUnit, '') AND
COALESCE(IConstruction, '') = COALESCE(@o_IConstruction, '') AND
COALESCE(IBasement, '') = COALESCE(@o_IBasement, '') AND
COALESCE(IBFinished, '') = COALESCE(@o_IBFinished, '') AND
COALESCE(IGarage, '') = COALESCE(@o_IGarage, '') AND
COALESCE(INumCars, '') = COALESCE(@o_INumCars, '') AND
COALESCE(IGarageType, '') = COALESCE(@o_IGarageType, '') AND
COALESCE(IContactHas, '') = COALESCE(@o_IContactHas, '') AND
COALESCE(IAvailable, '') = COALESCE(@o_IAvailable, '') AND
COALESCE(IInformedAmt, '') = COALESCE(@o_IInformedAmt, '') AND
COALESCE(IRealtorContract, '') = COALESCE(@o_IRealtorContract, '') AND
COALESCE(IContractContact, '') = COALESCE(@o_IContractContact, '') AND
COALESCE(IPermitCO, '') = COALESCE(@o_IPermitCO, '') AND
COALESCE(ICORenewal, '') = COALESCE(@o_ICORenewal, '') AND
COALESCE(IRenewalInt, '') = COALESCE(@o_IRenewalInt, '') AND
/*COALESCE(IAppComments, '') = COALESCE(@o_IAppComments, '') AND*/
COALESCE(IKitchen1, '') = COALESCE(@o_IKitchen1, '') AND
COALESCE(IKitchen2, '') = COALESCE(@o_IKitchen2, '') AND
COALESCE(IKitchen3, '') = COALESCE(@o_IKitchen3, '') AND
COALESCE(IKitchen4, '') = COALESCE(@o_IKitchen4, '') AND
COALESCE(IKitchenB, '') = COALESCE(@o_IKitchenB, '') AND
COALESCE(IBedroom1, '') = COALESCE(@o_IBedroom1, '') AND
COALESCE(IBedroom2, '') = COALESCE(@o_IBedroom2, '') AND
COALESCE(IBedroom3, '') = COALESCE(@o_IBedroom3, '') AND
COALESCE(IBedroom4, '') = COALESCE(@o_IBedroom4, '') AND
COALESCE(IBedroomB, '') = COALESCE(@o_IBedroomB, '') AND
COALESCE(IBathroom1, '') = COALESCE(@o_IBathroom1, '') AND
COALESCE(IBathroom2, '') = COALESCE(@o_IBathroom2, '') AND
COALESCE(IBathroom3, '') = COALESCE(@o_IBathroom3, '') AND
COALESCE(IBathroom4, '') = COALESCE(@o_IBathroom4, '') AND
COALESCE(IBathroomB, '') = COALESCE(@o_IBathroomB, '') AND
COALESCE(AppraiserPerc, 0) = COALESCE(@o_AppraiserPerc, 0) AND
COALESCE(AppraiserFee, 0) = COALESCE(@o_AppraiserFee, 0)
END

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Code Snippet
CREATE FUNCTION [dbo].[PadRight]
(

@sourceString NVARCHAR(4000),
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@trimBeforePadding BIT = 1
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RETURNS NVARCHAR(4000) AS
BEGIN

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IF @trimBeforePadding = 1

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When Changing To Type Text From Nvarchar, The 255 Character Limit Is Maintained?

Jul 23, 2005

Hi - I am changing a field from type nvarchar to type text, given thatI need to store strings longer than 255 characters. To do this Ichange the data type in SQL Server, then I change the parameter code inthe calling procedure, as per below:cmd.Parameters.Append(cmd.CreateParameter("@title", adVarWChar,adParamInput, 255, title));becomes:cmd.Parameters.Append(cmd.CreateParameter("@title", adLongVarWChar,adParamInput, 1073741823, title));However, when I do this, for some reason, the field is still limited to255 characters - when I try to update the field with 256 characters,the error 'Application uses a value of the wrong type for the currentoperation.' occurs.Why is this? I've checked that the correct data is contained in theparameter. When I look at the data in the database, the column inquestion shows the content, whereas the next column, which has alwaysbeen of type text, shows '<LongText>' - does this mean anything? Do Ineed to do something special to convert the column from nvarchar totext?Many thanks,Iain

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Compare Nvarchar(10) With Nvarchar(1000)

Sep 4, 2007

I had this question for quite a long time.

It seems the latter one don't take any extra storage space than the previous one.

As long as the real string length is less than 10.

Is that mean the latter one not cost anything?

I once heard the different is when they are in memory. But not sure of it.

Can anyone explain it and provide some official reference on it?

Thank.

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How To Accept More Than 4000 Characters?

Aug 3, 2007

Hi all,I'm using MSSQL 2005, using the nvarchar(MAX) but it doesn't seems to take more than 4000 characters... Any idea why?Thank you,Kenny.

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Fastest Way To Insert 4000+ Records

Nov 14, 2007

I'm writing a program that allows users to upload a csv file. This file is then seperated into 4 datatables based on certain criteria then each datatable is uploaded into my database. I'm essentially adding new rows to the datatables then running an update command on each using a tableadapter. The problem is that these csv files can be large and can end up with 4000+ new records being added to the database and the update commands take a while to do it. I've sat for about five minutes on one run while it updated. I put in some time variable to see where all the time is spent and it takes only seconds to parse the data and seperate into the datatables, but minutes on the update commands. Is there a more efficient way to insert this much data?

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Problem When I Try To Send More Then 4000 To Database

Dec 19, 2004

Hi

I have Problem When I try To Send More Then 4000 char To SQL Server Database !!!

I have Create Windows Application that Send data To SQL Server Database in Web Server .. But When I try To Send More Then 4000 char to (nText) Flied The data damaged

And also in the Remote database I cant Create Filed of (nVarChar) data type with length more then 4000 char

In another word
I cant Store More then 4000 char in filed of (nText) data type
And I cant Create (nVarChar) filed with more then 4000 char Length

Where is the problem ??
And How can I solve it

Thanks with my regarding

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Expressions Using Values Of More Than 4000 Characters

Mar 31, 2008

Is it not possible for expressions to work with variables that contain more than 4000 characters? I've heard of a limitation of expressions and 4000 characters, but I thought this meant that the expression itself cannot be more than 4000 characters -- not that the expression cannot work with values of more than 4000 characters.

For example, I have a two variables:

Test1 (type = String):
Value = [Some really long string whose length is > 4000 characters]

Test2 (type = String, EvaluateAsExpression = True):
Expression = "-" + @[User::Test1] + "-"

Test2 throws the following error:

The variable User::Test1 contains a string that exceeds the maximum allowed length of 4000 characters.

Reading the variable "User::Test1" failed with error code 0xC0047100.

Why is there such a limitation when working with string values? This seems really restricting. Are there any possible workarounds?

Thanks in advance.
Jerad

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Looking For Direction On How To Add 4000+ Users Into ASPNETDB Manually

May 30, 2007

Hello and thanks for reading,
I would like to know if it's possible to add around 4000 users into the ASPNETDB without adding them one at a time. I have to avoid using a "create user wizard" because this login is for a private online election only. The list of users is in an access database and looks like this:
Username    Password
DHunziker    Hu8645
SEnderton    En0854
BAckler        Ac9576
....
Unfortunately, I don't have valid emails for all 4000 people, nor do I have the time and resources to collect security questions and answers so I don't know if this is even possible. Can you help me?
Thanks!

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Why Can Varchar Datatype Variable Only 4000 Byte?

Mar 13, 2004

Why can varchar datatype variable only 4000 byte?
For example:
in a storedprocedure
declare @aa varchar(8000)
......
while
select @aa=@aa+@otherinfo
end
when the length is more than 4000 ,the data in the behind will be lost

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Transact SQL :: Unable To Add More Than Around 4000 Characters To A Job Step

Apr 29, 2015

A trigger existed on the job steps table which captured any changes before and after. The insert table was limited changes to 4000 characters.

SQL Server 2012 SP2 Enterprise Edition (11.0.5058.0) on Windows Server 2008 R2

At some point a few months ago we encountered an issue where we hit a size limit of ~4000 characters on the amount of text we could enter into a Transact-SQL step of an Agent job. Attempting to create a job like this with sp_add_job will produce the error

Msg 50000, Level 16, State 10, Procedure sp_add_jobstep_internal, Line 255
String or binary data would be truncated.

Adding the job step via SSMS yields

Alter failed for JobStep 'xxx'. (Microsoft.SqlServer.Smo)
Additional information:
An exception occurred while executing a Transact-SQL statement or batch (Microsoft.SqlServer.ConnectionInfo)
String or binary data would be truncated.
The statement has been terminated. (Microsoft SQL Server, Error: 8152)

I've checked sp_add_jobstep_internal, sp_add_jobstep and the sysjobsteps table and all references to the command field are nvarchar(max). We can run the same job creation code without error on a SQL Server 2008 R2 Enterprise Edition machine and two SQL Server 2012 SP2 Developer Edition boxes. All our 2012 servers were fresh installs, not upgrades.

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Return More Than 4000 Characters From CLR Stored Procedure

Mar 31, 2006

Hi,
I have a clr stored procedure that takes in 2 parameters, input xml and a query name. The stored procedure transforms the xml with a the xslt for the given query name (stored in a database). I am currently using and output parameter that is of type NVarChar(4000) to retrieve the xml in .net.
This all works fine unless the xml that is being transformed is greater than 4000 characters which will happen. Are there any ways of returning a string/xml greater than 4000 characters (in the region of 60-70k characters).

Thanks for your help
N

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SQL Server 2012 :: Unable To Add More Than Around 4000 Characters To A Job Step

Apr 29, 2015

SQL Server 2012 SP2 Enterprise Edition (11.0.5058.0) on Windows Server 2008 R2

At some point a few months ago we encountered an issue where we hit some size limit on the amount of text we could enter into a Transact-SQL step of an Agent job. Attempting to create a job like this with sp_add_job will produce the error

Msg 50000, Level 16, State 10, Procedure sp_add_jobstep_internal, Line 255
String or binary data would be truncated.

Adding the job step via SSMS yields

Alter failed for JobStep 'xxx'. (Microsoft.SqlServer.Smo)
Additional information:
An exception occurred while executing a Transact-SQL statement or batch (Microsoft.SqlServer.ConnectionInfo)
String or binary data would be truncated.
The statement has been terminated. (Microsoft SQL Server, Error: 8152)

I've checked sp_add_jobstep_internal, sp_add_jobstep and the sysjobsteps table and all references to the command field are nvarchar(max). We can run the same job creation code without error on a SQL Server 2008 R2 Enterprise Edition machine and two SQL Server 2012 SP2 Developer Edition boxes. All our 2012 servers were fresh installs, not upgrades.

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Is It Posible To Put More Than 4000 Bytes Into One Column? ( Sql Server Mobile )

Oct 11, 2006

varchar can only hold 4000 bytes
and there is no text column in sql server mobile

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How Do You Construct A Dynamic Stored Procedure With More Than 4000 Chars

Sep 12, 2007

My problem (excuse me for being a novice) is that whenever the query becomes complex
in the @whereclause (and it does) it cant exceed the character limit of a nvarchar. Now if someone could shed some ligfht on this for me I would be
incredibly grateful. I have tried doing the exec(@var1 + @var2) but this did not seem to work.

I have included the stored procedure below.

ALTER PROCEDURE [dbo].[SearchTenderMultiRegions]
(
@whereclause nVarChar(MAX), --4000 chars
@PageIndex int,
@PageSize int
) AS

SET NOCOUNT ON;DECLARE @sql nvarChar(MAX)

SET @sql= 'SELECT * FROM (SELECT DISTINCT TOP (' + CONVERT(nvarchar(10),(@PageIndex*@PageSize))
SET @sql= @sql + ') ROW_NUMBER() OVER (ORDER BY Tenders.ID DESC)AS Row,

Tenders.ID,Tenders.Title,Address.Suburb,Tenders.ClosingDateTime,Tenders.IsApproved,Tenders.TendersSourceID, Tenders.SourceDate,
UserTracking.CreateUserID,UserTracking.CreateDateTime FROM Tenders LEFT JOIN TenderContact ON Tenders.ID = TenderContact.TendersID
LEFT JOIN TenderCategory ON Tenders.ID = TenderCategory.TendersID
LEFT JOIN TenderRegion ON Tenders.ID = TenderRegion.TendersID
LEFT JOIN RegionStateCountry ON TenderRegion.RegionStateCountryID = RegionStateCountry.ID
LEFT JOIN Address ON Tenders.ID = Address.TendersID
LEFT JOIN UserTracking ON Tenders.ID = UserTracking.TendersID
WHERE '

SET @sql= @sql + @whereclause
SET @sql = @sql + ') as TenderSearchEntries
WHERE Row between ('

SET @sql= @sql + CONVERT(nvarchar(10), @PageIndex)
SET @sql= @sql + ' - 1) * '
SET @sql= @sql + CONVERT(nvarchar(10), @PageSize)
SET @sql= @sql + '+ 1 and '
SET @sql= @sql + CONVERT(nvarchar(10), @PageIndex)
SET @sql= @sql + ' * '
SET @sql= @sql + CONVERT(nvarchar(10), @PageSize)

EXEC(@sql)

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Any Work Around For 4000 Char Maximum Limitation In Expression

Jul 6, 2007

Hello,

I have to build dynamic sql statement in an SQL task.

The SQL statement is way over 4000 char.

The expression builder complains the length of the expression.

Any work around to this limitation?

Thanks a lot!

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SQL 2012 :: Check Constraints Have A Definition That Is Longer Than 4000 Characters

Oct 14, 2015

I'm putting a process together to run a DBCC CHECKCONSTRAINTS process against copies of client databases.The author application doesn't set the constraints as trusted, and therefore we need to check the integrity of the data.

The problem is that some of the Check constraints have a definition that is longer than 4,000 characters.When this is the case, DBCC CHECK CONSTRAINTS fails.One option is that I write a cursor to select the constraints that have a definition less than 4,000 characters and then call the DBCC command for those particular constraints. However, I'd prefer a more elegant approach - ideally a way to run DBCC CHECKCONSTRAINTS against all constraints regardless of the length of the definition

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Frror: 4000 Max String Literal In Expression For Datareader Component

Apr 15, 2006

Hi, I have a datareader component of which i am dynamically setting its sqlcommand statement with expression (click the background of dataflow > properties > expressions). Now my sql select statement has about 600 fields so that makes my expression statment "select field1, field2, .....from table1 where field2 >=" + @[User::dateforfield2] but when i evalute the expresssion (which is right), i get the error: A string literal in the expression exceeds the maximum allowed length of 4000 character and i think its because of the fields in my select statment causing my string literal to grow more than 4000 characters. Is there any way to increase the max string literal for expressions. Please help.

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How To Create A TVF With A String Input Parameter Longer That 4000 Character

Oct 25, 2007

Hello,
I created a TVF that take as input a string and a delimiter (tipically a ',') and return a table.
Very briefly this my code:

<Microsoft.SqlServer.Server.SqlFunction(FillRowMethodName:="FillCharListRow", Name:="Split_CharList", TableDefinition:="Value nvarchar(255)")> _

Public Shared Function Split_CharList(ByVal strList As SqlString, ByVal delimiter As SqlString) As IEnumerable

Return strList.Value.Split(delimiter.Value.ToCharArray(0, 1))

End Function

Private Shared Sub FillCharListRow(ByVal obj As Object, <Out()> ByRef strList As String)

strList = CType(obj, String)

strList = strList.Trim

End Sub

This is what I see from the Managment studio, after I deploy the code:

ALTER FUNCTION [dbo].[Split_CharList](@strList [nvarchar](4000), @delimiter [nvarchar](4000))

RETURNS TABLE (

[Value] [nvarchar](255) NULL

) WITH EXECUTE AS CALLER

AS

It means that the string I give to the function has to be no longer than 4000.
There is the way to define a function that can accept a longer input?

Thankx very much
Marina B.

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On SQL Mobile 3.5 NTEXT Will Not Accept Data Above 4000 Characters... This Is Serious And Confirmed

Nov 7, 2007

When using SQL CE 3.5 and I try to insert data to DataSet with NTEXT type column that has more than 4000 characters I get this error

"InvalidOperationException was unhandled
@p4 : String truncation: max=4000, len=8414

I had not problem with SQL Compact 3.1 I didn't even changed DataSet I just upgraded my database 3.1 -> 3.5 and I get this error. This is serious bug....

There are other people who have the same problem
http://forums.microsoft.com/TechNet/ShowPost.aspx?PostID=812683&SiteID=17

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Transact SQL :: Function To Tokenize A String Of Characters Greater Than 4000

Jul 21, 2015

I'm using sys.dm_fts_parser dynamic management function to tokenize a string of characters >4000. The function doesn't accept a query_string parameter >4000 characters. Is there a way around this? I've tried to execute the SELECT defined in the function but that doesn't work.

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SQL Server Compact Edition Ntext Fails With String Over 4000 Characters

Jan 25, 2008

This is with SQLCe NET 3.5.0.0 running on Windows Server 2003 or Server 2008, not on a Windows mobile operating system.

The following code fails with ntext entries above 4000 characters:

Dim cn As New SqlCeConnection(ConnectString())
If cn.State = ConnectionState.Closed Then
cn.Open()
End If
Dim info as string

info = "This is lengthy text".PadLeft(4200)
Dim cmd As SqlCeCommand

strSQL = "create table testTable ("
strSQL &= "docType nvarchar (50) NULL, "
strSQL &= "docFlag nvarchar(10) NULL, "
strSQL &= "docData ntext NULL, "
strSQL &= " )"

cmd = New SqlCeCommand(strSQL, cn)
Try
cmd.ExecuteNonQuery()
Catch sqlexception As SqlCeException
MessageBox.Show(sqlexception.Message & vbNewLine & strSQL, "Table Error 7", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1)
Catch ex As Exception
MessageBox.Show(ex.Message, "Table Error 8", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1)
Finally
cn.Close()
End Try
If cn.State = ConnectionState.Closed Then
cn.Open()
End If

'---- insert a row into the testTable

strSQL = "INSERT INTO testTable ("
strSQL &= "docType, "
strSQL &= "docFlag, "
strSQL &= "docData, "
strSQL &= ") "
strSQL &= "VALUES ("
strSQL &= "@docType, "
strSQL &= "@docFlag, "
strSQL &= "@docData, "
strSQL &= ")"

Try
cmd = New SqlCeCommand(strSQL, cn)
cmd.Parameters.AddWithValue("@docType", "a type")
cmd.Parameters.AddWithValue("@docFlag", "a flag")
cmd.Parameters.AddWithValue("@docData", info)
cmd.ExecuteNonQuery()
Catch sqlexception As SqlCeException
MessageBox.Show(sqlexception.Message, "Table Error 9", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1)
Catch ex As Exception
MessageBox.Show(ex.Message, "Table Error 10", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1)
Finally
cn.Close()
End Try
End If

Changing the cmd.Parameters as follows works:

Dim paramdocData As SqlCeParameter
Try
cmd = New SqlCeCommand(strSQL, cn)
cmd.Parameters.AddWithValue("@docType", "a type")
cmd.Parameters.AddWithValue("@docFlag", "a flag")
paramdocData = cmd.Parameters.Add("docData", SqlDbType.NText)
paramdocData.Value = info
cmd.ExecuteNonQuery()
Catch sqlexception As SqlCeException
MessageBox.Show(sqlexception.Message, "Table Error 9", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1)
Catch ex As Exception
MessageBox.Show(ex.Message, "Table Error 10", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1)
Finally
cn.Close()
End Try

Thanks to the following Microsoft ReadMe for the above suggestion. See:
http://download.microsoft.com/download/f/7/2/f72ebbf8-4df1-4800-b4db-c2405c10d937/ReadmeSSC35.htm

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How Can I Pass A String Parameter More Than 4000 Characters Into Execute() And Return Result For FETCH And Cursor?

Apr 7, 2008

Dear All

I have no idea to write a store procedure or only query to pass a string parameter more than 4000 characters into execute() and return result for FETCH and Cursor.

Here is my query sample for yours to understand.

SET NOCOUNT ON

DECLARE @ITEMCODE int, @ITEMNAME nvarchar(50), @message varchar(80), @qstring varchar(8000)

Set @qstring = 'select itemcode from oitm union

select itemcode from oitm union
select itemcode from oitm union
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select itemcode from oitm'

PRINT '-------- ITEM Products Report --------'

DECLARE ITEM_cursor CURSOR FOR

execute (@qstring)

OPEN ITEM_cursor

FETCH NEXT FROM ITEM_cursor

INTO @ITEMCODE

WHILE @@FETCH_STATUS = 0

BEGIN

PRINT ' '

SELECT @message = '----- Products From ITEM: ' +

@ITEMNAME

PRINT @message

-- Get the next ITEM.

FETCH NEXT FROM ITEM_cursor

INTO @ITEMcode

END

CLOSE ITEM_cursor

DEALLOCATE ITEM_cursor

Why i use @qstring? It is because the query will be changed by different critiera.

Regards
Edmund

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SQL Server 2005 JDBC Driver 1.1 Truncate Output Parameter From A Stored Procedure To 4000 Char.

Oct 26, 2006

I have a procedure that uses varchar(max) as output parameter, when I tried to retrieve

the result of calling the procedure, the result is truncated to 4000 character. Is this a driver bug?

Any workaround?

Here is the pseudo code:

create Procedure foo(@output varchar(max))

{

set @foo = 'string that has more than 4000 characters...';

return;

}

Java code:

CallableStatement cs = connection.prepareCall("{call foo ?}");

cs.registerOutputParameter(1, Types.longvarchar); // also tried Types.CLOB.

cs.execute();

String result = cs.getString(1); // The result is truncated to 4000 char.

-- Also tried

CLOB clob = cs.getClob(1);

long len = clob.length(); // The result is 4000.

Thanks,

Eric Wang

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Ntext Over 4000 Chars Causes 'Data In Row (n) Was Not Update... String Or Binary Data Would Be Truncated...'

Oct 18, 2006

When I enter over 4000 chars in any ntext field in my SQL Server 2005 database (directly in the database and through the application) I get an error saying that the data could not be updated because string or binary data would be truncated.Has anyone ever seen this? I cannot figure out what is causing it, ntext should be able to hold a lot more data that this...

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Limit Of DTS?

Jul 6, 2004

Hi there guys!

I was wondering if anyone know the number of rows you can import from an external source into MS SQL Server 2000 Developer Edition?

I have tried importing a whole table from another database with over a million records. But failed after 1.7 million row.

Any ideas?

Thank you!

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