Joins explained.
Posted by jpluimers on 2020/08/26
Turn your head 90 degrees counter-clockwise around the longitudinal axis [WayBack] Joins explained. – Kristian Köhntopp – Google+
Wait, let me help you:
Or if you need more explanation:
[WayBack] tsql – LEFT JOIN vs. LEFT OUTER JOIN in SQL Server – Stack Overflow
–jeroen
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