MySQL user-defined variables are used to pass values from one statement to another. They are connection specific. Values cannot be created by one client and used by another client. The variables are ...
Variables often look like $var, but they also look like $1, $*, $? and $$. Let's take a look at what all these $ values can tell you. A lot of important values are ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results