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copied!<p>There is a set of commands that are builtin to the mysql client. They're documented under "<a href="http://dev.mysql.com/doc/refman/5.1/en/mysql-commands.html" rel="nofollow noreferrer"><code>mysql</code> Commands</a>." These include DELIMITER, SOURCE, HELP, CONNECT, USE, QUIT, etc.</p> <p>The <code>\.</code> (or <code>SOURCE</code>) command is one of these builtins. <strong>You can't execute these builtin commands programmatically, nor from within a stored procedure.</strong></p> <p>It'd be like trying to run a UNIX shell builtin from a C program using <code>execl()</code>.</p> <p>A different analogy might be in a web browser, where you can type in special requests like "<code>about:</code>" that are handled by the browser app itself; these don't result in any HTTP request to a remote web site.</p> <p>Also, it wouldn't help if you could source a script from within a stored procedure, because the script itself likely contains a bunch of commands that are mysql client builtins, and thus cannot be run by the stored proc.</p> <hr> <p>See also my answers to these related questions:</p> <ul> <li><a href="https://stackoverflow.com/questions/4027769/running-mysql-sql-files-in-php/4028289#4028289">Running MySQL *.sql files in PHP</a></li> <li><a href="https://stackoverflow.com/questions/147821/loading-sql-files-from-within-php/149456#149456">Loading .sql files from within PHP</a></li> <li><a href="https://stackoverflow.com/questions/345637/php-multiple-sql-queries-in-one-mysql-query-statement/345712#345712">PHP: multiple SQL queries in one mysql_query statement</a></li> </ul>

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