How only show first n characters of field when fields are long

I used to have a document on how to do this but lost it.
How do I specify for a field to display the first so many characters in a given field when the field is too long to display in a table?

sjurick wrote:
Sorry, I'm using PHP, and MySQL.
It depends if you want to either truncate the results from the select statement in the script, or limit what is being returned by the select. You can use the php substr function
http://www.php.net/manual/en/book.strings.php
or the SQL Left() functions
http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_left

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How only show first n characters of field when fields are long

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