zby has asked for the wisdom of the Perl Monks concerning the following question:

The question is how to build a web application with no backend RDBMS? What would you use for storage? The options I've found (beside flat files) are: I can not find en explicite statement in the DBD::SQLite documentation about concurrent usage. Is it safe?

Have you fellow manks any experience with any of those modules? Are there any other options?