MySQL select of everything before @

I want to select out the part of an email address column before @. So if a row is somebody@somewhere.com, how do I select somebody out of each row?开发者_开发知识库

Thanks!

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select substring_index('somebody@somewhere.com', '@', 1);

doc -- http://dev.mysql.com/doc/refman/5.1/en/string-functions.html#function_substring-index

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SELECT SUBSTRING_INDEX(email, '@', 1) AS emailname FROM table;