What is wrong with one table?
message_id timestamp in of the subject body attachment_pointer origin
...
Iβm probably going to beat, but ... Affairs> hmm ... good point
Messages message_id timestamp subject body attachment MessageReference mr_id message_id to from
edit: The following are also found:
Messaging database schema
messaging database schema diagram
How do I set up my database schema for a messaging system complete with attachments?
Database schema for multi-user messaging
johnny
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