Try this :
select sh.USER_NAME as "User Name", DOMAIN_NAME as "Domain", PROJECT_NAME as "Project", START_TIME as "Login Date and Time",
EMAIL
FROM QCSITEADMIN_DB.td.SESSIONS_HISTORY sh LEFT OUTER JOIN
QCSITEADMIN_DB.td.USERS on sh.USER_NAME =
QCSITEADMIN_DB.td.USERS.USER_NAME
where START_TIME >= '2012-01-01' -->changed by your date time
GROUP BY sh.USER_NAME, PROJECT_NAME, DOMAIN_NAME, EMAIL, START_TIME
ORDER BY sh.USER_NAME
