[AccessD] OT: Sum in MySQL

Paul Hartland (ISHARP) paul.hartland at isharp.co.uk
Thu Nov 24 09:07:47 CST 2005


Not sure about MYSQL, but off the top of my head I think I would use
something like the following in SQL Server

SELECT SUM(CAST([FieldInteger] AS Float)) FROM tblTable

Or possibly 

SELECT SUM(CONVERT(Float, [FieldInteger])) FROM tblTable

If it works, let me know as I want to start getting into MYSQL....In fact if
anyone knows if and where a good front-end for MYSQL exists (hopefully
similar to Enterprise Manager) then could you let me know.

Paul Hartland

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Gustav Brock
Sent: 24 November 2005 14:52
To: accessd at databaseadvisors.com
Subject: [AccessD] OT: Sum in MySQL

Hi all
I recall we have some MySQL gurus around ...

If you have a field of datatype Integer (Long in Access) and wish to sum
this from a large amount of records, how would you do in MySQL?

In Access you would do something like:

  SELECT SUM(CDbl([FieldInteger])) FROM tblTable ...;

and the result would be a - potentially very large - Double.
What to use for CDbl() in MySQL?

/gustav

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