Category: Interview Questions
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What’s the difference between an inner and outer join?
This article was taken from programmerinterview.com, and can be found in it’s entirity at http://www.programmerinterview.com/index.php/database-sql/inner-vs-outer-joins/. I am reprinting it here for my own notes on SQL for future reference. Many thanks to the author(s) of this article. Joins are used to combine the data from two tables, with the result being a new, temporary table. The temporary…
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What I Like And Dislike About PHP
Likes I started using PHP after I did about 200,000 lines of Perl code during an upgrade of a system that I supported at a large company. We translated the C++ services over in about 9 months. It was the easiest and most stable conversion I’d ever made. So when I started using PHP, it was…