Mattermost tables

I’ve configured mattermost in gitlab 8.16.6 and its all working. We need to be able to see conversations for audit purposes so I was wondering if theres a table in the database (I 've logged in and listed tables but nothing obvious) or if we purchased a key for enterprise edition to get compliance reports that would work for this gitlab integrated version ? thanks

update - i’ve found posts table in mattermost_production database now.