initialize an int to the max length of a field

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initialize an int to the max length of a field

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Cornelius19
Starting Member

30 Posts

Posted - 2008-08-05 : 11:32:57

Hi,

I would like to initialize an integer to the maximum length of a field. I tried the following:


create table tmp1 (word nvarchar (96))

Insert Into tmp1 Values('Blue')
Insert Into tmp1 Values('Yellow')
Insert Into tmp1 Values('Green')

declare @length integer
set @length = MAX(LEN(tmp1.word))

I hoped that @length would be initialized to 6 (since ‘Yellow’ is the longest and len('Yellow') = 6) but I got an error message:

Server: Msg 107, Level 16, State 3, Line 11
The column prefix 'tmp1' does not match with a table name or alias name used in the query.

Any idea how to make it work?

Cornelius

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2008-08-05 : 13:37:57

[code]select @length = MAX(t.WordLen)
FROM (SELECT LEN(tmp1.word) AS WordLen
FROM tmp1)t[/code]