Visualising SQL joins

By Ron Savage on April 14, 2013 11:59 PM

Hi All

Here's an image displaying various options re SQL joins.

Wish I'd see this years, nay, decades, ago.

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I try to write all code in Perl, but find I end up writing in bash, CSS, HTML, JS, and SQL, and doing database design, just to get anything done...

Ron Savage