boas práticas...

http://www.toadworld.com/BLOGS/tabid/67/EntryID/510/Default.aspx

http://www.toadworld.com/BLOGS/tabid/67/EntryID/413/Default.aspx

Um artigo sobre while/for para iterar sobre collections.... rui embrulha esta :D http://www.toadworld.com/BLOGS/tabid/67/EntryID/280/Default.aspx