This is a LEFT JOIN, but with only one table you may be wondering what to join. Typically you'll have to create a new table that contains all the dates in the range you want to check. Then you left join your transaction table, and all the rows from your dates table that don't have a match is your answer.
From: Richard Reina [mailto:richard@stripped]
Sent: Tuesday, June 15, 2010 11:30 AM
Subject: query help
I have a table similar to this:
|ID |DATE |EMPLOYEE|
|234 |2010-01-05| 345 |
|328 |2010-04-05| 344 |
|239 |2010-01-10| 344 |
Is there a way to query such a table to give the days of the year that employee 344 did not have a transaction?
Thanks for the help.
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