Hi,

SELECT MAX(column_name) FROM table_name

Though for what youre trying to do its better to use an autoincrementing
field.
That way the database will automaticly increment the key when you do an
insert

regards,
wieger

Kraa de Simon wrote:
> 
> Hi,
> 
> SQL newbie...
> 
> What is the most efficient way to get the highest value of a key value using
> the odbc_* functions/SQL syntax?
> 
> E.g. if I have a table with key values 1,2,3...1567 I need the higest value:
> 1567 so I can create a new record and assign key value 1568.
> 
> I don't want to read the whole table...
> 
> Met vriendelijke groet / With kind regards,
> 
> ICL Nederland B.V.                      Simon de Kraa
> e-Applications / Logistic Systems       Systems Architect
> Het Kwadrant 1                          Tel. +31 346 598865
> Postbus 4000                            Fax  +31 346 562703
> 3600 KA  MAARSSEN
> The Netherlands                         mailto:[EMAIL PROTECTED]
> 
> ---
> 
> Microsoft Windows 2000 5.00.2195 SP 2, Progress 9.1b, Roundtable 9.1c
> SCO UnixWare 7.1.1, Progress 9.1b
> 
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Wieger Uffink
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