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01.16.2008 at 04:34PM PST, ID: 23088946
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7.2

Grabbing the greatest date from 2 columns in MS Access 2003 using SQL

Asked by piyushdabomb in SQL Query Syntax, Microsoft Access Database

Tags: , , ,

Team,

I have 2 columns of data in a table. Column A contains dates and column B also contains dates. What I would like to do is output a third column which tells me the latest of the 2 dates between Column A and Column B. For example, lets see that for the first record, Column A has 1/1/2008 and Column B has 1/15/2008. I want column C to show me 1/15/2008.

I attempted using the MAX(Column_A,Column_B) and only 1 argument is allowed, which makes sense. In Oracle Toad, the following syntax was what I used which worked VERY well. I utilized the GREATEST function in Oracle to give me the Greatest(Column_A,Column_B) and SELECT Statements to get me what I want:

CASE WHEN pa_stud_qual_cpnt.compl_dte > (GREATEST (Column_A,Column_B) + 31)  THEN 'Late'
     WHEN pa_stud_qual_cpnt.compl_dte < (GREATEST (Column_A,Column_B) + 31)  THEN 'On-Time'
END AS determination,

How can I make this achievable? Please help here!!Start Free Trial
[+][-]01.16.2008 at 04:50PM PST, ID: 20677824

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[+][-]01.16.2008 at 05:11PM PST, ID: 20677904

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[+][-]01.16.2008 at 05:22PM PST, ID: 20677946

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[+][-]01.16.2008 at 05:55PM PST, ID: 20678075

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[+][-]01.16.2008 at 09:41PM PST, ID: 20679012

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[+][-]01.17.2008 at 12:45AM PST, ID: 20679645

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About this solution

Zones: SQL Query Syntax, Microsoft Access Database
Tags: Microsoft, MS Access, 2003, SQL
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Solution Provided By: cactus_data
Participating Experts: 4
Solution Grade: A
 
 
[+][-]02.17.2008 at 03:48PM PST, ID: 20916434

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