Index[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [Z] radio buttons records, databases reference parameters references arrays variables regular expressions relational databases foreign keys primary keys relationships many-to-many one-to-many one-to-one relational operators remote login, installation and renaming tables require function require_once function resources further reading web chat forums listservs user groups web sites restoring data |