determine longest field length

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determine longest field length

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AskSQLTeam
Ask SQLTeam Question

0 Posts

Posted - 2002-07-01 : 07:59:10

John writes "How to get the count value of the longest field length in a specified column, or sorting the records in order of the longest field length. Thanks for your help, greaty appreciated"

YellowBug
Aged Yak Warrior

616 Posts

Posted - 2002-07-01 : 08:08:15

Lookup DATALENGTH in BOL

Here's an example:
USE pubs
GO
SELECT length = DATALENGTH(pub_name), pub_name
FROM publishers
ORDER BY length DESC

AndrewMurphy
Master Smack Fu Yak Hacker

2916 Posts

Posted - 2002-07-01 : 08:11:48

select max(len(name)) from customer

as long as name is NOT a TEXT field....len doesn't work with TEXT fields.

select len(rtrim(name)) from customer
order by len(rtrim(name)) desc

remember that blank spaces count as part of the length of a column, if the type is just CHAR and not VARCHAR....ergo the "rtim"

HTH

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