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In which case why not just put your business logic in the application - which generally they will be able to de-compile anyway 
Its a constant battle to keep your code secure, but in my (25+ years) experience if you are selling to proper businesses they will respect your licence agreement.
Bob
Ashfield Consultants Ltd
Proud to be a 2009 Code Project MVP
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becuase it's more optimized in stored proc
dev
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Seems you are stuck then.
Bob
Ashfield Consultants Ltd
Proud to be a 2009 Code Project MVP
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thanks anyway, just checking to see if I've missed anything
dev
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Add the stored proc in code on app start then drop it on app close. Of course if the app crashes, you're stuffed.
Out of interest, why wouldn't you want the client to have the proc?
Henry Minute
Do not read medical books! You could die of a misprint. - Mark Twain
Girl: (staring) "Why do you need an icy cucumber?"
“I want to report a fraud. The government is lying to us all.”
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no - thing is, because I want this to be highly optimized and best place to put the logic is actually in database. Dilemma is now i have to give away the source code.
Perhaps what I can do is to encapsulate only half in stored proc, the other half in obfuscated dll =)
dev
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devvvy wrote: Don't want to give stored proc to client? What are your options if there is one?
you can use encryption. Eg.
create proc MyProc with Encryption
(
@parameters....
)
as
select query.....
BTW why dont you use .
google [^]
hope it helps...
When you fail to plan, you are planning to fail.
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AFAIK you could play around with the permissions, ie execute only to all but the developer. This will not secure your code but will reduce your exposure. The actual text of the code is stored in a sys table and is accessible to anyone with the right permissions (sa) and the knowledge to get at it.
I'd go with the license option - most clients are not SW people and only want to use the toll not reinvent it.
Never underestimate the power of human stupidity
RAH
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When using
SELECT ROW_NUMBER() OVER (ORDER BY id) AS [RowNumber]<br />
FROM table where RowNumber > 1
It returns error 'Invalid column name 'RowNumber'. What is the problem here? I'm using SQL Server Express 2005. Thanks.
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You added 'RowNumber' as a column-name alias. Those can be used in the ORDER BY clause, but can't be referenced in the WHERE part. Since you're using SQL 2005, you can bypass this by using a temporary query, selecting into a new CTE first;
SELECT * FROM
(
SELECT ROW_NUMBER() OVER (ORDER BY ID) AS [RowNumber]
FROM [YourTableNameGoesHere]
) AS CTE_TMP
WHERE [RowNumber] < 10
Enjoy
I are troll
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I have a procedure running with transaction used in it.
I have used multiple insert in the procedures and finally return the scope_identity() of one of the insert by first setting a variable with scope_identity() and then returning it with select @variable at the end of procedure after commit and in case of RollBack i m returning it as select -9
The issue what am i facing is that sometimes it is skipping the return value in case of Commit Transaction as it is not returning anything to the code.
I am using it like this:
Full Procedure Code with Insert Commands here
set @variable=scope_identity()
IF @@ERROR <> 0
BEGIN
-- Rollback the transaction
ROLLBACK
Select -9
END
COMMIT
select @variable
The procedure is not going in the @@ERROR section and also all the insert values are there in tables after commit but why sometimes it is not returning the value required. I am using ExecuteScaler in the code.
Regards,
Kaushal Arora
Regards,
Kaushal Arora
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You are not setting your variable:
set @variable=scope_identity() <br />
IF @@ERROR <> 0 <br />
BEGIN -- Rollback the transaction <br />
ROLLBACK <br />
Select <big>@variable =</big> -9 <br />
END<br />
COMMIT<br />
select @variable
Bob
Ashfield Consultants Ltd
Proud to be a 2009 Code Project MVP
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I am saying it is committing the records not giving any error and rollback. It is not returning the value in case of committing the records.
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Without the rest of your code its kinda hard to say then.
Bob
Ashfield Consultants Ltd
Proud to be a 2009 Code Project MVP
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Hi All,
I have an existing database with a table schema that I need to change. However it seems that there is a conflict in the conversion. I'm trying to change a ntext column to a nvarchar column. I'm using C# Express 2008.
I've tried doing it on an empty table with the connection closed but I still see this error. What's the best way to tackle this schema change? I don't like the idea of having to recreate the table from scratch. As I understand it there is no way to script an SqlCe database ...
Any pointers would be great.
Thanks,
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wow, you still can't do this in sql2008?!
One approach is to create a whole new column with the required type, then copy the content from the old column into it & delete the old column. Of course, the column names cannot be the same, so you'll need to use sp_rename at some point.
Unfortunately, this can get very tricky when there are other constraints in the database that rely on your column (default value is probably most relevant here). Also, be aware of the 4000 character limit of nvarchar.
There's lots of tools out there that will assist with this kind of change. We use xSqlObject here, which is excellent (www.xsqlsoftware.com/Product/Sql_Schema_Compare.aspx[^])
Best of luck!
"An eye for an eye only ends up making the whole world blind"
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Thanks for this. I came to the same conclusion. Also I'm using SQLCE ... is the nvarchar limit 4000 characters for this version? I think it's actually 255 ...
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A quick google suggests the limit is still 4000... don't know though, i've never used CE
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Hello
I have two Database.
DB1 And DB2 there are tbl1 And tbl2 two tables in corresponding database.
if any value change in tbl1 table the corresponding value will also update in tbl2 tables.
Can any one help me in this regard.
Thanks in advance
Sujit
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hi all,
i am trying to install SQL express 2005 from following code
str = Application.StartupPath & "\SQLEXPR32\setup.exe /qb ADDLOCAL=ALL INSTANCENAME=" & InstanceName & " SECURITYMODE=SQL SAPWD=mypassword DISABLENETWORKPROTOCOLS=0 "<br />
Shell(str, AppWinStyle.Hide, True)
it works well for first time. When i install from above code and uninstall from Control panel and then once again i execute the above code then it does not install the SQL server Express
I think Uninstall from control panel does not completely remove the SQL server Express.Its require some more steps
Whether anybody can suggest me that how can i completely uninstall the SQL server Express from my machine ?
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How i can show relationship between tables as a diagram in MYSQL
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