Updating A BLOB Text Doesn't Work

Jun 28, 2006

Hi all,
I have the following weird situation.
I must update a "text" column in my mssql db with a string that is more than 10000 character long.
I know that "text" is able to store up to 2Gbyte of data, but what is happening?
that when i excecute the query (in PHP, using the odbc_exec function), my poor Apache got stuck!!!
and afterwards, i am not even able to access that field (i mean Apache go nut again).

Have you ever experienced somthing like that? Any suggestion?

thank you

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Simple Lab For Insert/retrive BLOB Doesn't Work, Why Not?

Sep 17, 2007



This is simple enough and I'm stumped. Why doesn't this work?




Code Snippet
use w
go
-- Create image warehouse
create table dbo.ImageWarehouse (
[ImageWarehouseID] int identity(1,1) primary key,
[ImageName] varchar(100),
Photo varbinary(max))
Go
-- Import image
Insert into dbo.ImageWarehouse
([ImageName]) values ('testingimage.gif')
update dbo.ImageWarehouse
set Photo =
(SELECT * FROM OPENROWSET(BULK 'c: estingimage.gif', SINGLE_BLOB)AS x )
WHERE [ImageName]='testingimage.jpg'
go
-- Check population
--delete from dbo.ImageWarehouse
select * from dbo.ImageWarehouse
go
-- Export image
declare @SQLcommand nvarchar(4000)
set @SQLcommand = 'bcp "SELECT top 1 Photo FROM w.dbo.ImageWarehouse WHERE ImageName = ''testingimage.gif''" queryout "c: estingimage_out.gif" -T -N -S [my server name]'
exec xp_cmdshell @SQLcommand
go





I successfully see




Code SnippetImageWarehouseID ImageName Photo
1 testingimage.gif 0x4749463839615802C (long hex string)



then




Code Snippet
output
NULL
Starting copy...
NULL
1 rows copied.
Network packet size (bytes): 4096
Clock Time (ms.): total 1
NULL






But testingimage_out.gif is unreadable. It's the same size (28k) as the original trestingimage.gif. Same result with a .jpg file. Try to open the file and it's just red X.

No SQL errors. Just result error. What am I overlooking?




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http://www.sqlserverstudy.com

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LOAD TABLE With UNC Doesn&#39;t Work

Mar 28, 2000

Since I have to go across the network, I'm trying to use the UNC. However, this won't even work when I'm using the UNC to point to the server on which this is run. I'm trying to restore a single table on 6.5. What is the obvious piece that I'm missing?

This works.

LOAD TABLE address
FROM DISK = 'd:MSSQLackupDBBackup.DAT'
WITH source='address'


This doesn't.

LOAD TABLE address
FROM DISK = 'server1d$MSSQLackupDBBackup.DAT'
WITH source='address'

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