If you want to mysql select from multiple tables you need to just use select command with two or more table parameter. this example shows how to get data from two database table.
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In this video I show you how to install php server on windows 7, it will take 20 saceont to install and work the local server, Our simplest php lesson
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Basic Mysql commands are select, update, delete, insert into. you can use themy with parameters like where, order, group by, distinct and limit. Here is other paremeters about mysql commands.