[Discover] MySQL AB :: MySQL 5.0 Reference Manual :: 12.6 Date and Time Functions http://dev.mysql.com/doc/refman/5.0/en/date-and-time-functions.html
(date reference mysql time) 
[Discover] MySQL Stored Functions http://www.databasejournal.com/features/mysql/article.php/3569846 (tutorial database mysql stored)
[Discover] aNieto2K | 10 utilidades javascript que deberÃas conocer http://www.anieto2k.com/2007/03/09/10-utilidades-javascript-que-deberias-conocer/ (javascript functions programacion trim)
[Discover] Procedural Programming in MySQL - Part 1 http://www.quest-pipelines.com/newsletter-v6/0105_D.htm (procedures mysql programming stored)
[Discover] MySQL Stored Functions http://www.databasejournal.com/features/mysql/article.php/3569846 (tutorial database mysql stored)
[Discover] aNieto2K | 10 utilidades javascript que deberÃas conocer http://www.anieto2k.com/2007/03/09/10-utilidades-javascript-que-deberias-conocer/ (javascript functions programacion trim)
[Discover] Procedural Programming in MySQL - Part 1 http://www.quest-pipelines.com/newsletter-v6/0105_D.htm (procedures mysql programming stored)