UPDATE users AS U1, users AS U2
SET U1.name_one = U2.name_colX
WHERE U2.user_id = U1.user_id
UPDATE users AS U1, users AS U2
SET U1.name_one = U2.name_colX
WHERE U2.user_id = U1.user_id
mysqlimport –fields-terminated-by=”X” –local DB TABLE.csv -u USERNAME -pPASSWORD