INSERT INTO column_comments VALUES ('message','subject','Subject of the message');
INSERT INTO column_comments VALUES ('message','sent_date','Time/date message was sent (from Date header)');
INSERT INTO column_comments VALUES ('message','refs','Contents of References: header');
INSERT INTO column_comments VALUES ('message','subject','Subject of the message');
INSERT INTO column_comments VALUES ('message','sent_date','Time/date message was sent (from Date header)');
INSERT INTO column_comments VALUES ('message','refs','Contents of References: header');