Flex SQLite Optimization: Adding Database Name In Front Of Tables?

This article on Livedocs says you should add the database name in front of tables.[URL]..My question is, should I do that everywhere where a table name appears or only once?In this query: select T1.col,T2.col from T1 left join T2 on T1.id=T2.id order by T2.order;

Should I add main.T1 and main.T2 everywhere or just after for, the first time: select T1.col,T2.col from main.T1 left join main.T2 on T1.id=T2.id order by T2.order;