[AccessD] Query not returning any records

Bobby Heid bheid at sc.rr.com
Mon Sep 26 14:09:06 CDT 2011


Chester,

Well, right off the bat, you have Max(dbo_WellTests.TestDate) <#9/1/2011#
and the maximum date in your list is 9/1/2011.  So max(9/1/2011) is not less
than 9/1/2011.  So you get no records.

Bobby

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Kaup, Chester
Sent: Monday, September 26, 2011 3:01 PM
To: Access Developers discussion and problem solving
Subject: [AccessD] Query not returning any records

When I run the following query I get the results listed below

SELECT dbo_WellTests.Well_API_14, dbo_WellTests.Well_Name,
dbo_WellTests.TestDate FROM dbo_WellTests GROUP BY
dbo_WellTests.Well_API_14, dbo_WellTests.Well_Name, dbo_WellTests.TestDate
HAVING (((dbo_WellTests.Well_Name)="109-2"));

Well_API_14    Well_Name TestDate
42415034120000 109-2     6/7/2011
42415034120000 109-2     6/8/2011
42415034120000 109-2     8/7/2011
42415034120000 109-2     8/28/2011
42415034120000 109-2     9/1/2011
42415034120000 109-2     9/5/2011

However when I run the following query I get no records returned. The table
dbo_Welltests is an SQL Server table if that matters.

SELECT dbo_WellTests.Well_API_14, dbo_WellTests.Well_Name,
Max(dbo_WellTests.TestDate) AS MaxOfTestDate FROM dbo_WellTests GROUP BY
dbo_WellTests.Well_API_14, dbo_WellTests.Well_Name HAVING
(((dbo_WellTests.Well_Name)="109-2") AND
((Max(dbo_WellTests.TestDate))<#9/1/2011#));

Thanks.


Chester Kaup
Engineering Technician
Kinder Morgan CO2 Company, LLP
Office (432) 688-3797
FAX (432) 688-3799

 
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