Quick References
ADO
ASP
CSS2
HTML
JavaScript
Jet SQL
VBScript
WML
WMLScript
WSH
XHTML
XML DOM
XSLT
Features
Knowledge Base
Tutorials
Partners
ZVON.ORG
XML
Planet Source Code
VisualBuilder
Web Design
Your HTML Source
XML/XSLT Forums
ASPAlliance
Scripts
Programmers Heaven
Tek-Tips Forums
Developer Fusion
Code Project
All Functions
WHERE Clause
HAVING Clause
GROUP BY Clause
FUNCTION: MAX
SELECT MAX(field) AS [expression]
FROM table
[WHERE ...]
[GROUPBY ...]
[HAVING ...]
The
MAX
function is one of the aggregate functions that are used to calculate statistical information for a specified numeric field in a query. The other aggregate functions are:
AVG, COUNT, MIN, STDEV, STDEVP, SUM, VAR, VARP
. Note that all of these functions return a single value.
The
MAX
function simply finds the highest, or maximum, value in a field.
This code finds the longest hospital stay by MediCare patients over the age of 65 and stores that information in MaxStay.
SELECT MAX(DaysInHospital) AS [MaxStay]
FROM MediCarePatients
WHERE age > 65
Copyright 1999-2005 by Infinite Software Solutions, Inc. All rights reserved.
Trademark Information
