SqlCEParameter With SQLDBType.Binary Won't Allow Size To Be Set &&> 510 Bytes
Nov 1, 2006
Here is my code:
Dim oParameter As New System.Data.SqlServerCe.SqlCeParameter("@pMyParameter", SqlDbType.Binary, 3000)
If you set a watch on this object, the size is set back to 510. I have tried resetting the size back to 3000 after construction using oParameter.Size, but it doesn't change from 510. If the command is executed using ExecNonQuery, this causes the bytes to get cut off at 510 bytes and returns the error: Byte array truncation to a length of 510.
Can I insert data into SQL Server 2005 Mobile Edition, into a field of data type binary(3000) using .NET CF 2.0 via SqlServerCe objects?
Thanks for any help.
Kirk
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Jul 10, 2007
SqlCeParameter.Size seems to be limited to 255 characters for char types.
Eg.
SqlCeParameter param = new SqlCeParameter();
param.ParameterName = parameter_name;
param.DbType = DbType.String;
param.Size = 260;
Now check the value of param.Size, it will be 255.
In the past this problem was avoidable by setting the size to 0. However, this cause a problem if you are re-using the same command and simply changing the parameters value.
Somewhere the system remembers the length of the first value and adjusts the max size to be limited to this length.
Thus for the following values:
"Test"
"Testing"
The second one will error with something like "@param: String truncation: max = 4, len = 7, value = 'testing' "
Has anyone else come across this problem, or found a solution to it?
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Jun 17, 2008
Hi, I'm specify the size of the interger dataypes in my code behind files; e.g.
commad.Parameters.Add("@SomeID", SqlDbType.Int, 4)
I know it may seem silly, but I have to ask:
Will specifying ths size (i.e. 4) eventually stop the auto-icnrement of the underlying primary key SomeID in the SQL Server 2005 database?
What restriction, if any, does this place if the next SomeID value is 10000, which is 5 digits? or 999999, which is 6 digits?
Thank you
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Aug 28, 2007
Sql Server has many data types.
For Example:
smallint
Integer data from -2^15 (-32,768) through 2^15 - 1 (32,767). Storage size is 2 bytes.
I want to know that
If it contains like 0 or 100 or 1000 or -200 or -2000 or more or less.
What will its actual size?
2 bytes or change with the value.
Please also mention the reference with your answer. if available.
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Mar 11, 2000
Microsoft OLE DB Provider for ODBC Drivers error ' 80040e14'
[Microsoft][ODBC SQL Server Driver][SQL Server]Updated or inserted row is bigger than maximum size (1962 bytes) allowed for this table.
database:microsoft 6.5 SQL
How can I solve this problem
thanks,shay
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Feb 24, 2004
Hello ,
I would like to know the size in bytes required internally for each datatype MSSQLServer supports.
For eg.
I think for SMALLINT its 2 bytes
Would like to know the size in bytes for
SMALLINT, INTEGER, REAL, VARCHAR, DATETIME, IMAGE, DECIMAL
Thanks..
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Dec 3, 2007
What is the easiest way to calculate the space (size in bytes) used by a BLOB column that is already stored in a particular row?
Thanks.
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Apr 23, 2008
Hi,
Im trying to create a VERY wide table, with 1,000 columns of type varchar(MAX), nullable.
The CREATE TABLE statement (both in SQL 2005 & 2008), gives the following warning:
Warning: The table "WIDE_TABLE" has been created, but its maximum row size exceeds the allowed maximum of 8060 bytes. INSERT or UPDATE to this table will fail if the resulting row exceeds the size limit.
When I insert data into the table, filling all columns with small, 10-byte string values, I get the following error:
Msg 50000, Level 16, State 1, Procedure sp_pivot, Line 118
Cannot create a row of size 15034 which is greater than the allowable maximum of 8060.
Id like to verify this observation: each row is created with 2000 bytes of offset data (2 byte * 1000 columns), 125 bytes for null bitmap (1000 columns / 8 bits) and some more wasted? row information. This leaves less than 6K for the data itself. But since not all columns can fit within the page, forwarding pointers in the row need to be created, 24 byte per column, which very quickly add up to more than 8K, thus the error. So the 8K limit is met for much less columns than the max 1024 column restriction.
Furthermore, in SQL 2008, SPARSE columns will not solve the problem (maybe save some metadata? space in case the columns are null, but if not, Im with the same problem again, or even worse, since now each value takes more storage space. The max 30,000 columns in 2008 is only for cases where the column values are really sparseŚ
Is this the right observation? if so, is there a workaround besides splitting to multiple tables?
Thanks,
Aviv.
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Jul 12, 2006
Hi,
I have asked this question on 3 forums now and never get an answer, I don't know what is so hard about this question but I will try it here.
I am using SHA512 in C# to convert a password and its salt to hashed. I need to store the password hash and the salt hash in the database in two fields. I was told to use binary field to store the hash data and that the output of SHA512 would ALWAYS be the same no matter how long the password is.
I modified this hash example to use only SHA512 and to work with byte array instead of plain text.
All I need to know now is what size I need to make my binary field to hold this password that is hashed.
http://www.obviex.com/samples/Code.aspx?Source=HashCS&Title=Hashing%20Data&Lang=C%23
Say I have a password which is 30 characters max, and a salt which is 16 characters max. The password and the hash are stored in seperate fields in the same table. They are both hashed using SHA512 and are both being stored as byte arrays in C#, what size to I need to make the binary data type in order to hold the password, and to hold the salt.
Thanks!
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Sep 12, 2015
I have some code I build 2 weeks ago which Iâve been running daily but itâs suddenly stopped working with the following error.
âThe table "tbl_Intraday_Tmp" has been created, but its maximum row size exceeds the allowed maximum of 8060 bytes. INSERT or UPDATE to this table will fail if the resulting row exceeds the size limitâ When I google this there seems to be a related to tables with vast numbers of columns.
My table tbl_Intraday_tmp is relatively small. It has 7 columns. 1 of varchar(5), 3 of decimal(9,3) and 2 of decimal(18,0). The bit Iâm puzzled with is it was working and stopped.
I donât recall changing anything but I wouldnât rule that out. I âve inspected the source files and I donât believe they have changed either.
DECLARE Â Â Â Â Â Â Â Â Â Â Â Â Â
@FileName varchar(50),
@Path varchar(50),
@SqlCmd varchar(1000)
= '',
@ASXCode varchar(5),
@Offset decimal(18,0),
[code]....
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Apr 20, 2012
I am using MS SQL server 2008, and i have a table with 350 columns and when i m trying to create one more column its giving error with below message -
Warning: The table XXX has been created, but its maximum row size exceeds the allowed maximum of 8060 bytes.
INSERT or UPDATE to this table will fail if the resulting row exceeds the size limit.
how can i resolve this?
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Feb 12, 2007
I have a function thats inserts data to a table with a SqlCeCommand with 42 Parameters.
It had always worked perfectly with WMobile 2003 and WMobile 5 devices until now.
Recently I got 2 new pdas (both Phone Edition) which crash in that function with de following error:
Exception An SqlCeParameter with ParameterName '@totallinesamountwithlinediscounts' is not contained by this SqlCeParameterCollection.
I tried putting a shorter name on the param and it worked (well, it failed because another long name param).
To make sure it was a length problem it changed the long name with a dummy long name (@a234567890b234567890c234567890d23) and amazingly it worked.
After some tries I got that the failing parameters were:
@TotalLinesAmountWithLineDiscounts
@TotalLinesAmountWithAllDiscounts
@TotalLinesAmountIncludingTax
I thought it could be caused because the parameters have similar names but when I replaced the params with:
@a234567890b234567890c234567890d
@a234567890b234567890c234567890d23
@a234567890b234567890c234567890d2345
It worked properly, and they have similar name also.
I've tried the same binaries and database on other devices and their work properly with the correct names.
I can make it work with this weird names but I would like to know the source of the problem to avoid future errors.
Does anyone have an idea of what may be the problem?
Is there any known issue about problems with SqlCeParameters and different versions of Windows Mobile?
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May 7, 2007
Hi,
I have a simple query as follows:
SELECT COUNT(ID) FROM AI_DTREE DT WHERE PARENT =@pPID AND
CARTRIDGE_ID = @pCID AND COMMAND =@pCMD AND OBJECT =@pObj
Where @pPID=16700130,@pCID=43000000,@pCMD=?=?, and
@pObj=?the cecum, identified by appendiceal orifice & IC valve?
The filed OBJECT in AI_DTREE is of nvarchar(30)(of course the length of @pObj is more than 30 in my current query).
I have build the SqlCeCommand sccmd object with the above sql text and the parameters.
returnval = sccmd.ExecuteScalar();
When I execute the above statement I am getting the following error:
ex.Message = "@pObj : String truncation: max=30, len=55, value='the cecum, identified by appendiceal orifice & IC valve'."
But when I execute the same in Sql Server Management Studio against SqlCE db, it works fine and the result returnval =0.
How to overcome this SqlCeParameter issue?, for me it is difficult to messure the length of the filed before I exeuting the command.
Thanks
G Sreenaiah
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Jan 11, 2008
I came across a frustrating bug last week. Basically, whenever I tried to execute almost any sql query with unnamed parameters (i.e. using "?" instead of "@param_name" in the SQL text), an exception would be thrown.
After trying lots and lots of things and navigating my way through the internals of System.Data.SqlServerCe.dll, I discovered that the method System.Data.SqlServerCe.SqlCeCommand.CreateParameterAccessor(...) has a bug.
The bug is that the private arrays "parameters" and "metadata" are ordered differently, yet at one point in CreateParameterAccessor(...) they are compared using the same index. Here are the two lines:
p = this.parameters[ i ];
and
MetaData info = metadata[ i ]
and then the column data types of "info" & "p" are incorrectly compared in a later method, ValidateDataConversion(...).
So take a step back... how are they ordered differently? From observation, I concluded the following:
The "parameters" array is ordered exactly in the order that the DbParameter's were added to the DbCommand object.
The "metadata" array is ordered according to the column order of the table in the database.
So what causes the exception? Well, CreateParameterAccessor(...) passes data types from two different columns (one type taken from parameters[ i ] and the other from metadata[ i ]) on to SqlCeType.ValidateDataConversion(...). And, of course, if they differ (e.g. one column is of type DateTime and the other is a SmallInt), an exception is thrown.
I've found two workarounds, and both seem to work well.
The first is to name the SqlCeParameters (e.g. "SELECT ... WHERE id=@id"). This causes the buggy branch of code to be completely bypassed.
The second is to add the SqlCeParameters in the exact same order as the columns exist in the table you are accessing. Note, I do *not* mean the order that you select the columns (e.g. "SELECT column1, column2, ..."). I mean the actual order of the columns in the database.
I've included my setup and a stack trace below to help if it can.
My setup is:
.Net CF 3.5
SqlServer CE 3.5
Visual Studio 2008
Deployed to Pocket PC 2003
Here is the stack trace (note the variables passed to ValidateDataConversion):
System.Data.SqlServerCe.dll!System.Data.SqlServerCe.SqlCeType.ValidateDataConversion(System.Data.SqlDbType expectedType = DateTime, System.Data.SqlDbType actualType = SmallInt) + 0x4a bytes
System.Data.SqlServerCe.dll!System.Data.SqlServerCe.SqlCeCommand.CreateParameterAccessor(System.Data.SqlServerCe.MetaData[] metadata = {System.Data.SqlServerCe.MetaData[34]}) + 0x89 bytes
System.Data.SqlServerCe.dll!System.Data.SqlServerCe.SqlCeCommand.CreateDataBindings() + 0x5e bytes
System.Data.SqlServerCe.dll!System.Data.SqlServerCe.SqlCeCommand.CompileQueryPlan() + 0x16f bytes
System.Data.SqlServerCe.dll!System.Data.SqlServerCe.SqlCeCommand.ExecuteCommand(System.Data.CommandBehavior behavior = Default, string method = "ExecuteNonQuery", System.Data.SqlServerCe.ResultSetOptions options = None) + 0xa7 bytes
System.Data.SqlServerCe.dll!System.Data.SqlServerCe.SqlCeCommand.ExecuteNonQuery() + 0x7 bytes
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May 22, 2014
Server is SQL 2000
I have a table with 10 rows with a varbinary column
I wish to concatenate all the binary column into a single binary column and then write that to another table within the database. This application splits a binary file (Word or PDF document) into multiple segments (this is Column2 as below)
example as follows
TableA
Column1 Column2 Column3
aaa 001 <some binary value>
aaa 002 <some binary value>
aaa 003 <some binary value>
aaa 004 <some binary value>
aaa 005 <some binary value>
desired results in TableB
Column1 Column2
aaa <concatenated value of above binary columns>
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May 7, 2015
I'm using a bit-wise comparison to effectively store multiple values in one column. However once the number of values increases it starts to become too big for a int data type.you also cannot perform a bitwise & on two binary datatypes. Is there a better way to store the binary data rather than int or binary?
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Nov 6, 2007
How do I dim SqlDbType in my code?Dim conn As New Data.SqlClient.SqlConnection(ConfigurationManager.ConnectionStrings("TrainUserConnectionString").ConnectionString)
Dim cmd As New Data.SqlClient.SqlCommandWith cmd
.Connection = conn
.CommandType = Data.CommandType.StoredProcedure
.CommandText = "UpdateTopicscmd.Parameters.Add("@classificationID", SqlDBType.Int)cmd.Parameters.Add("@TitleID", SqlDBType.Int)
conn.Open()
For Each item As ListItem In CheckBoxList1.Items
If item.Selected Thencmd.Parameters("@classificationID").Value = item.Valuecmd.Parameters("@TitleID").Value = DropDownList1.SelectedValue
cmd.ExecuteNonQuery()
End If
Next
conn.Close()
End WithEnd Sub
End Class
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Mar 22, 2006
Hello,Im calling a stored proc that has a numeric value as a varible.In the asp im using the code:myPrivate.Parameters.Add("@memberID", SqlDbType.Decimal, 18).Value = Decimal.Parse(uxToText.Text);I'm using decimal as there is no numeric sqldb type, is this correct? Also is the decimal parse correct as Im getting a 'Input string was not in a correct format' error.Thanks
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Jun 19, 2006
I have an overloaded method in my data access layer that I use to load the parameters into a command object. One of these overloaded methods is as follows:
public void LoadSqlParameter(string name, string value, ParameterDirection direction){ param = new SqlParameter(); param.ParameterName = name; param.Value = value; param.Direction = direction;
param.SqlDbType = SqlDbType.VarChar;
cmd.Parameters.Add(param);}
Will using a SqlDbType of VarChar cause me any problems if the actual parameter in the stored procedure is a Char?
Am I better off leaving out the line that specifies the type?
Thanks
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Dec 12, 2006
Hi,
I am creating a parameter of type text, and using either of the 3 statements below, to specify the size of the text. Unfortunately none of the statements put all the text into the database.
The receiving column is Text(16) and Text in Row is turned off.
I really would appreciate any help with this.
Many thanks,
Polly Anna
sqlParam = New SqlClient.SqlParameter("@varResponse", SqlDbType.Text) ', 2147483647, ParameterDirection.Input)
or
sqlParam = New SqlClient.SqlParameter("@varResponse", SqlDbType.Text)
or sqlParam = New SqlClient.SqlParameter("@varResponse", SqlDbType.VarChar, 4000)
then
sqlParam.Value = Me.ResponseText
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Jun 15, 2007
My app uses .net 1.1 and MS SQL 2005 as backend. How to add a SqlParamter that is varchar(MAX)?SqlParameter myParameter = new SqlParameter("@Description",SqlDbType.VarChar,whatToPutHere?,ParameterDirection.Input, true,0,0,"Whatever",DataRowVersion.Current,"Whatever");
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Nov 15, 2007
I have a field in my SQL Server 2005 database of type numeric(18,3)In code, I treat the value as decimalWhen creating my command parameters, this is how I'm declaring them:prm.SqlDbType = SqlDbType.Decimal;prm.Precision = (byte)int.Parse("18");prm.Size = int.Parse("0");prm.Scale = (byte)int.Parse("3");Inserting a number like 5.687 is rounding to 6.000 anyone know why it is doing that?
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Sep 29, 2004
Hi,
My checkbox status is saved as SqlDbType.Bit in MS SQl Server database.
When I use the following code to retrieve it, it does not work.
myRow[myColumn].ToString()=="1"
I appreciate your kind assistance.
Thank you.
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Nov 17, 2007
i have string variable as,
String str="Int";
now, while assigning sql parameters, i want
param.SqlDBType=SqlDBType.Int;
but, value of Int is dynamic. it may be string or double so,
i want it to be as,
param.SqlDBType=(SqlDBType)str;
but its not acceptable(its invalid cast).
in any way can i do it and how?
regards---
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Jun 28, 2004
How much if any of a perf gain is there when you specify the SqlDbType on a parameter?
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Apr 14, 2006
I am trying to insert a large amount of data from a web form I created into a "text" field in my DB. Problem is its oly entering the 1st 16 characters. I can see why but I dont understand what I need to do to avoid this shortcomming. Ive searched the forums here and in google groups to no avail :(
<code>
sqlCommand.Parameters.Add(New System.Data.SqlClient.SqlParameter("@Content", System.Data.SqlDbType.Text, 16, "Content")).Value = ftbContent.Text
</code>
How do I need to restructure the above line?
Any help would be appreciated.
TIA,Stue
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Sep 4, 2007
I am trying to resize a database initial log file from 500M to 2M. Im using?
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Mar 17, 2004
Hi I was hoping that someone might be able to help me with this.
I'm trying to figure out why my VB.net code below generates 0 or 1 but doesn't insert it when I can execute my stored procedure with: exec sp 0
myParm = myCommand.Parameters.Add("@bolProMembCSNM", SqlDbType.Bit)
myParm.Value = IIf(CBool(rblProMembCSNM.SelectedItem.Value) = True, 1, 0)
I've tried everything I used to use with Classic ASP and am stumped now.
Any ideas? I will have to do this for numerous controls on my pages.
Thanks in advance for any advice.
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Apr 25, 2001
SQL 7
One of my programmers brought an error to me that I need to get some clarification on ...
Its says:
The total row size (24301) for table xxxx eceeds the max number of bytes per row(8060). Rows that exceed the max number of bytes will not be added.
Thoughts ...
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Dec 26, 2001
Hi,
I used to write the data in a database throught the component. Few days it worked fine and suddenly one day it showed the database is suspect and the file size is 0 bytes but actually is should have written lots of data.
But i have the datafile which shows zero bytes and when i try to attach it it gives an error:
Server: Msg 823, Level 24, State 6, Line 1
I/O error 38(Reached the end of the file.) detected during read at offset 0000000000000000 in file 'D:EorderdatabasePritamdbeorderpritamdb_Data.mdf'.
Connection Broken
Can anyone tell y is this. And it would be really if anyone can tell how to recover the data. The only thing which i have now is the data file which shows zero bytes.
Thanks.
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Aug 24, 2005
I tried to ALTER TABLE calendar NOCHECK CONSTRAINT ALL and I got this error:
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I'm not too certain what this error means so I manually deleted the records in this table. I got the same error.
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Dec 2, 2007
How to count how many bytes were taken per row in certern table?
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May 30, 2008
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