update posthistory set creationdate = creationdate + INTERVAL '3 YEAR';
update postlinks set creationdate = creationdate + INTERVAL '3 YEAR';
update posts set creationdate = creationdate + INTERVAL '3 YEAR', closeddate = closeddate + INTERVAL '1 YEAR';
update comments set creationdate = creationdate + INTERVAL '3 YEAR';
update users set creationdate = creationdate + INTERVAL '3 YEAR', lastaccessdate = lastaccessdate + INTERVAL '1 YEAR';
update votes set creationdate = creationdate + INTERVAL '3 YEAR';
update interaction set creationdate = creationdate + INTERVAL '3 YEAR';
update badges set date = date + INTERVAL '3 YEAR';
