It is impossible, particularly in the early phases, to accurately estimate the effort involved in developing any non-trivial piece of software.

There are, though, some cases were anonymous avatars make sense for business use, e.g. training sessions where both managers and non-managers are involved, anonymous surveys and feedback sessions.

In addition to the restrictions above, for MQTs over non-relational nicknames, the SQL statement defining the MQT must be valid for the non-relational data sources involved.