Create A Column With Binary Data Type
Feb 13, 2005
Hi, in reference to the article:
http://aspnet.4guysfromrolla.com/articles/103002-1.2.aspx
I would like to know how to create a 'password' column where the data type is a binary type of length 16
This is my table:
CREATE TABLE Staff
(
Namevarchar (50)PRIMARYKEY,
Password ???? NOT NULL,
Role varchar (50)NOT NULL
)
Please review my code. Thanks in advance for helping me out here!
-Gabian-
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Dec 14, 2007
Hi all!
I want to create a table. One of the columns should be in the data type MONEY with two digits on the right side of the decimal point.
How is that possible?
Thanks a lot and greetings from vienna
landau
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Jul 24, 2007
Hello Dears,
I was Maked Pictures table in sql server 2005 with Two Col pic_Id (int) and picture(binary)
i need now ro insert image into this table by Asp.net under VB.net Code i have in my form FileUpload and button control
and this is my CodeProtected Sub btnLoad_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnLoad.Click
Dim content() As Byte = ReadBitmap2ByteArray(FileUpload1.PostedFile.ContentType)
StoreBlob2DataBase(content)
End SubFunction ReadBitmap2ByteArray(ByVal FileName As String) As Byte()
Dim image As Drawing.Bitmap = New Drawing.Bitmap(FileName)Dim stream As IO.MemoryStream = New IO.MemoryStream()
image.Save(stream, System.Drawing.Imaging.ImageFormat.Bmp)Return stream.ToArray
End Function
Sub StoreBlob2DataBase(ByVal content As Byte())
con.Open()Dim cm As New SqlCommand("Insert into Pictures(Pic_Id,picture) values(@id,@pic)", con)
cm.Parameters.AddWithValue("@ID", 1)Dim p1 As New SqlParameter
p1.ParameterName = "@pic"
p1.SqlDbType = Data.SqlDbType.Binary
p1.Value = content
p1.Size = content.Length
cm.Parameters.Add(p1)
cm.ExecuteNonQuery()
End Sub
when i make run to my website it give me an Exeption in this statement
Dim image As Drawing.Bitmap = New Drawing.Bitmap(FileName)
it tell me that Parameter is not valid
i need help about this please
with my Best regard
khalil
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Jan 23, 2006
I am trying to store a byte array in a database. I want to use binary to store the data but I am confused about the type. The byte array I am trying to store is a password hash from SHA512.
I hash a plain text value then store the result in a byte array. I then want to store the byte array in the database as binary but I am confused when its asking for the size of the binary field. In nvarchar a size of 2 would mean 2 characters.
How should I choose the size of this binary field, and what does the size mean. If I choose a size of 6 does that mean 6 characters, like 010110. Or is it stored differently?
The maximum size of a plain text password is 30 characters, and the salt used to generate the SHA512 hash has a maximum size of 16, but I don't know the exact size of the salt because its randomly picked when the salt is generated.
I need to make sure the size of my binary field will hold the largest possible password hash, but I don't want it too large so its never completely used.
How is this data stored in the binary field, and what size binary field should I choose to make sure there are no problems with the password hash being truncated, yet making sure I'm not just wasting by creating a field thats too large.
Thanks!
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Jan 29, 2006
There are two datatypes for storing binary data type in the SQL Server:1. binary - for fixed length binary data2. varbinary - for variable length dataMy question is: how is data inserted into them? Do they have anydelimiters that go into the insert statement like strings and datetimeshave? What format (hex/decimal?) do they accept data in? Can you pleasegive me an insert statement example?
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Aug 23, 2007
Hi. how can i store binary data to another field with image data types.
here is my sample code
--note: [CUD_DOCUMENT] and [RES_DOCUMENT] are image data type
DECLARE @CUD_DOCUMENT binary
SELECT @CUD_DOCUMENT = CUD_DOCUMENT FROM CUD_CONTINUOUS_UPLOAD_DOCUMENTS
INSERT INTO [RES_RESUMES](
[RES_DOCUMENT] -- image data type
) VALUES (
@CUD_DOCUMENT)
thnx for the help.
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May 13, 2008
Hi I have an image column (Spectrum) in a Table (ParticleEDS) which is populated with an array of a bunch of INT32's (4 bytes each)
Using TSQL is there any way that I can read each 4 bytes (convert this to an INT) and return this data for a given record (based on ParticleEDSID).
I know that there are 2048 x 4 bytes that make up the image column.
I would like the output of the query/stored procedure to be:
Value
------------
1 2342
2 2334
3 3343
.....
2048 1001
thanks!
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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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Jul 6, 2006
I am trying to use the Bulk Insert Task to load from a csv file. My final column is a bit that is nullable. My file is an ID column that is int, a date column that is mm/dd/yyy, then 20 columns that are real, and a final column that is bit. I've tried various combinations of codepage and datafiletype on my task component. When I have RAW with Char, I get the error included below. If I change to RAW/Native or codepage 1252, I don't have an issue with the bit; however, errors start generating on the ID and date columns.
I have tried various data type settings on my flat file connection, too. I have tried DT_BOOL and the integer datatypes. Nothing seems to work.
I hope someone can help me work through this.
Thanks in advance,
SK
SSIS package "Package3.dtsx" starting.
Error: 0xC002F304 at Bulk Insert Task, Bulk Insert Task: An error occurred with the following error message: "Cannot fetch a row from OLE DB provider "BULK" for linked server "(null)".The OLE DB provider "BULK" for linked server "(null)" reported an error. The provider did not give any information about the error.The bulk load failed. The column is too long in the data file for row 1, column 24. Verify that the field terminator and row terminator are specified correctly.Bulk load data conversion error (type mismatch or invalid character for the specified codepage) for row 1, column 23 (cancelled).".
Error: 0xC002F304 at Bulk Insert Task 1, Bulk Insert Task: An error occurred with the following error message: "Cannot fetch a row from OLE DB provider "BULK" for linked server "(null)".The OLE DB provider "BULK" for linked server "(null)" reported an error. The provider did not give any information about the error.The bulk load failed. The column is too long in the data file for row 1, column 24. Verify that the field terminator and row terminator are specified correctly.Bulk load data conversion error (type mismatch or invalid character for the specified codepage) for row 1, column 23 (cancelled).".
Task failed: Bulk Insert Task 1
Task failed: Bulk Insert Task
Warning: 0x80019002 at Package3: The Execution method succeeded, but the number of errors raised (2) reached the maximum allowed (1); resulting in failure. This occurs when the number of errors reaches the number specified in MaximumErrorCount. Change the MaximumErrorCount or fix the errors.
SSIS package "Package3.dtsx" finished: Failure.
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May 14, 2005
I have a table called 'Articles' whose columns are articleId (int), authorName (varchar) and article (binary). The primary key is articleId. I tried using DTS wizard available in Enterprise Manager 2000, to import the data from this table into a remote database table, but the data copy failed. I am thinking the binary column is causing the DTS data copy to fail.
If someone could tell me what else I could do to transfer binary data to remote database(like an example of a data transfer query), then that would help me greatly.
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Jan 29, 2015
I wrote this query to pull some information involving 3 tables dbo.NewFamNbrs$, dbo.CGIItemMaster and dbo.CGIFamilyMaster. In addition I want to perform an update statement to update column dbo.CGIItemMaster.FamilyIDX with the information of dbo.CGIFamilyMaster.IDX. I also know that truncation is indicating that I'm trying to insert data into a field not large enough. So I performed a len() function on the both columns and order by desc and they both came up with 4 as being the max.
Query:
SELECT a.PART, a.Family, b.FamilyIDX, c.FamilyID, c.IDX
FROM dbo.NewFamNbrs$ a LEFT OUTER JOIN dbo.CGIFamilyMaster c ON a.Family = c.FamilyID LEFT OUTER JOIN dbo.CGIItemMaster b ON a.PART = b.PART
Results of query:
PART Family FamilyIDX FamilyID IDX
000127233TF011468 TF01 506
000129880TF011468 TF01 506
003110 MET061468 MET06 1915
UPDATE STATEMENT:
begin tran
update dbo.CGIItemMaster
set FamilyIDX=c.IDX
FROM dbo.NewFamNbrs$ a LEFT OUTER JOIN
CGIFamilyMaster c ON a.Family = c.FamilyID LEFT OUTER JOIN
dbo.CGIItemMaster b ON a.PART = b.PART
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Nov 22, 2007
When I set a column to have a default definition that uses a UDF, I am receiving the "String or binary data would be truncated" error.
The UDF:
Code BlockALTER FUNCTION GetDefaultClientTier
(
@ClientAssets decimal(15,2)
)
RETURNS char(1)
AS
BEGIN
DECLARE @Result char(1)
-- Get the first result in case of overlaps.
SET @Result = CAST((SELECT TOP 1 ClientTier FROM ClientTiers WHERE @ClientAssets BETWEEN ClientAssetsFloor AND ClientAssetsCeiling) AS char(1))
RETURN @Result
END
ClientTier is defined as char(1) in the table. I simply have (isnull([dbo].[GetDefaultClientTier]([ClientAssets])),(null))) as the definition. I can't use a computed column because I the values need to be editable. When inserting with SSIS, the insert works fine but the column has a value of null for each row.
When putting a character as the default (like 'A') the insert works fine.
The cast is there only because I have tried everything I can think of to get around this.
Is there something simple I am overlooking?
(SQL2005 SP2)
Thanks!
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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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Aug 31, 2006
I am using a stored procedure which returns a value of charecter datatype 'V' to the calling program.I am getting an sql exception System.Data.SqlClient.SqlException: Syntax error converting the varchar value 'V' to a column of data type inti didnot define any int datatype in my tablethis is my codeSqlCommand com = new SqlCommand("StoredProcedure4", connection);com.CommandType = CommandType.StoredProcedure; SqlParameter p1 = com.Parameters.Add("@uname", SqlDbType.NVarChar);SqlParameter p2 = com.Parameters.Add("@opwd", SqlDbType.NVarChar);SqlParameter p3 = com.Parameters.Add("@role", SqlDbType.NVarChar);p3.Direction = ParameterDirection.ReturnValue;p1.Value = username.Text.Trim();p2.Value = password.Text.Trim();com.ExecuteReader();lblerror2.Text = (string)(com.Parameters["@role"].Value); can your figure out what is the error ? Is it a coding error or error of the databse
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Jan 9, 2008
I have two tables, one a data table, the other a product table. I want to perform a join on the two tables with values distributed into columns based on the value in the month field.
data_table
product_code month value
350 1 10
350 2 20
350 3 30
product_table
product_code profit_center
350 4520
result_view
product_code profit_center mon1 mon2 mon3
350 4520 10 20 30
My current query gives the following result
result_view
product_code profit_center mon1 mon2 mon3
350 4520 10 0 0
350 4520 0 20 0
350 4520 0 0 30
Any direction toward a solution would be appreciated. Am using SS2005.
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Jun 17, 2005
Hello, I would like to get the columns in a table, this works fine:SELECT syscolumns.* FROM sysobjects INNER JOIN syscolumns ON sysobjects.id = syscolumns.id WHERE sysobjects.name = 'Customers'ORDER BY syscolumns.colidHowever, is there a way to get Column_Data_Type as for example "nchar" or "varchar" instead of having it as numbers.Can anybody help ?thanks
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Feb 11, 2004
This is an easy one , I need to know the way to check programatically for an SQL server 2000 column data type , if the result is a code , which codes are for the diferent datatypes ( varchar , text , smallint , etc ) , if you send me an url is ok.
thank you
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Mar 10, 2008
Hi,
I'm trying to figure out the best way to determine the data_type of a column, given the table name and column name. Once I've determined it's a charactor string I can get the length using COL_LENGTH, but I can't fund a command or procedure that will return the data type.
Thank you.
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Aug 20, 2007
How do I programatically change a column (say username) in a table (say tblusers) from varchar(25) to varchar(100)I am looking for something likealter tblusers set username as varchar(100) I know the above statement in nonsensical but it conveys the idea.
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Oct 19, 2007
HELLO
i have an sql server database, with a table an some columns.
how can i get the data type of each column and the lengh define in the database table?
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Nov 23, 2007
I want to change a column's data type from bit to int. There are data in the table already. I'm wondering if it is save/correct way to issue the following command to change the data type for that column.ALTER TABLE database_tableALTER COLUMN my_bit_column INT; Thanks.
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Feb 27, 2008
What is the way to rename a column in a table along with its datatype.
Thanks
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Jan 29, 2006
I have xml string that needs to be stored in a field in the DB. I was looking for recommendations for the data type I can use in such a scenario.
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Aug 14, 2006
Hi All
I want to retrieve the data type of table column and validate the input data whether same as data type of table column before insert into database. Any suggestion?
I use asp.net + msde
Thank you.
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Sep 6, 2007
Let's say... the sqldatasource has 3 columns: TableKey(int), TableName(string) and StartDate(datetime) and i'm writing a method to return the data type based on the column name.. for example: GetDataType("StartDate") should return "datetime"...what should i do?
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Sep 29, 2007
I have a table say Friend which has a column "IsSingle VARCHAR(10)" and this column has values like yes or No
Now I want to change type of column IsSingle from VARCHAR to BIT, if I try to do it manaually SQL throws error that cannot convert yes to bit etc.
I know that we can write a script to do this task but i dont know how ?
Any pointers,links, suggestions will help me to start with.
Thanks for your help.
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May 23, 2001
In a stored proc, can you declare a local variable that is an existing column in a table & then based on other criteria, do an order by using the local variable?
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Sep 28, 2001
Does anyone know how to determine the base datatype of a column? I've tried using sp_columns but if there are user defined datatypes on the column it returns that name instead of the base datatype. I've also tries accessing systypes and syscolumns to determine the base datatypes.
Any tips or trick would really be apreciated!
Kurt
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Jun 6, 2005
Hi..
I am trying to add new record to any table in my database.
But I can't.
I am tryting to add a value (1500 character) and it gives the message below
"The value you entered is not consistent with the data type of the column."
I have tried alot.
The result is my columns in my table accept maximum 900 character.
But the type of my column I try to add a value is text..
I am too angry with SQL
Please help
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Oct 30, 2013
so i have a table with 25million rows. this table has an image data type column and i want to set this column to null. what is the most efficient way to archive my goal. SQL SERVER 2008
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Oct 27, 2006
Ok, hopefully a simple issue with a simple fix. I'm importing data from an Excel spreadsheet with values such as: 10, 20, 20 Tall, 40, 40 Tall. The column imports but is treated as numeric with values 10, 20, 20, 40, 40. I set the cells to be treated as text in Excel. Any suggestions?
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Feb 3, 2001
I keep getting this error:
'The value you entered is not consistent with the data type or length of the column'
when trying to enter data into a feild, the feild type is char and the length
is 100 i'm entering text 3 words long but no where near a 100 characters long
any one know why this is happening?
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Dec 21, 2006
On sqlserver 2000 transactional replication:
How would I best go about changing a published table's column from smallint to int? I could not find anything about it in BOL or MS.com. I do not think EM/Replication Properties allows the change. I suspect I have to run "Alter Table/Column" on the Publisher and each Subscriber the old-fashioned way. Is that true?
Thanks!
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