I created my Sqlite database from XML and in the code for doing that I find this comment:
"Note can't use TEXT or REAL as data type for some reason with TSqlite3Dataset".
That's why I created the text fields a VARCHAR. Maybe that limitation has something to do with your problem as well.
I'm on Mac, where all Macs have Sqlite already installed, so I don't think I can help you much with installing it.
Thanks.
-Phil