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The website technology supporting Philadelphia Reflections is PHP, MySQL and DHTML. The web hosting service is Internet Planners. The development of this website has provided an opportunity to learn new technology, to try out different techniques for getting noticed by the search engines and the trials and tribulations of dealing with malicious hackers and spammers who range from the annoying to the abusive.
This collection of articles documents some of our experiences and we hope that people surfing the web looking for solutions to problems we've encountered will benefit.
George IV and Computers(1)
I got him into computers around 1960. He soon far surpassed me.
Programming;GRF4
Program notes by GRF4
Let's say you have a table "Primary" that contains an "Email" field.
You would like to select all the email addresses in Primary except for the list of email addresses in the Email field in a table "Exclude".
This SQL will exclude the emails in "Primary" based on those contained in "Exclude".
SELECT * FROM Primary WHERE ((Primary.Email) Not In (SELECT Email FROM Exclude))
Originally published: Monday, March 17, 2008; most-recently modified: Monday, June 04, 2012
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