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17 MySQL Tutorial for Beginners: Unions – Literals – Full Outer Ioins
A union combines the result sets of two or more SELECT statements into one single result set. To code a union you use the UNION keyword to connect two or … Original source
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MySQL UNION Tutorial | 9
MySQL UNION is used for stacking a result set on top of another. This is much different than a JOIN, so pay attention to see the difference. You may not use … Original source
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3. MySQL PHP Search Programming : SQL LIKE Syntax UNION and AS Alias with Filters Tutorial
Script: http://www.developphp.com/video/PHP/SQL-LIKE-Syntax-UNION-and-AS-Alias-with-Filters Part 3 of MySQL PHP Search Programming Exercises for … source