user2987538 has asked a question {since deleted} on Web Apps and the profile shows membership of Database Administrators, where user has asked two questions, one of which:
when clicked goes to https://dba.stackexchange.com/questions/29043/postgresql-duplicate-key-violates-unique-constraint-error posted by Craig Efrein who seems unrelated. Can anybody explain what this signifies please?
I am not signed up for Database Administrators nor Meta StackExchange hence asking here.