I have a bunch of aliases in my url_alias table. I want to change the source of certain rows, but I'm not sure if it would affect anything. What I need to know is if the column PID in the url_alias table is linked to anything else. Currently I just want to switch node/33 to node/2343, but im afraid I might break something if im doing it via phpmyadmin. I can't do it via the site as I have over 100+ entries I have to modify. The easiest way is by doing it in mysql.
Also is there a drupal database table map I can generate that shows me how each table is linked to each other?