Problem With Setting A Variable In SQL String

Jul 20, 2005

Hi,

I am having problems setting the value of a variable in a SQL String
that I have to create dynamically in my procedure. The code that I
currently have is as follows:


set @sqlStatement='Set @compare_string=' + '(Select ' +
@group_column_list_mod + ' from ' + @Tbl_Name + '_Sorted' + ' where
Identity_Column=' + ltrim(rtrim(str(@loop_counter))) + ')'

exec(@sqlStatement)

The error message that I get is as follows:

Must declare the variable '@compare_string'.

Here @compare_string has already been declared in the procedure and I
don't have a problem using the variable anywhere else but this SQL
Statement (when called using the EXEC function).

I am not sure why SQL Server can't see the variable declared when used
in a string in conjunction with EXEC. Is this a syntax issue? Any help
on this issue would be greatly appreciated!

Thanks in advance.

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Hi,

Does anyone know what is the maximum size for a string variable that can be used by Execute statement in SQL 7 and SQL 6.5? If I really need to execute
a long statement around 9000 characters long, how can I do it?

declare lcsql varchar(x) && what is the maximum size for x in SQL 7 and SQL 6.5

select lcsql = 'select ...'

execute (lcsql)

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String Variable

Aug 17, 2007

Hi

I have a problem with a string variable which looks something like this

@VARIABLE = 'RTY,YTUK,GHJ'

I need to be able to select (RTY) the first individual values seperated by the commas to be used as a variable elsewhere in my SQL script.

Following this I need to use the second value (YTUK) to be run in the same piece of code. Followed by the 3rd value (GHJ)

Can anyone tell me how to do this?

Thanks

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