SELECT *
FROM mytable
WHERE CAST(mydatefield AS DATETIME) >= CAST('2009-01-01' AS DATETIME)
Jika tanggal Anda dalam format aneh yang MySQL
tidak mengerti, gunakan STR_TO_DATE
:
SELECT *
FROM mytable
WHERE STR_TO_DATE(mydatefield, '%Y, %d %m') >= STR_TO_DATE('2009, 01 01', '%Y, %d %m')