SELECT T3.dept_name FROM course AS T1 JOIN CLASS AS T2 ON T1.crs_code  =  T2.crs_code JOIN department AS T3 ON T1.dept_code  =  T3.dept_code GROUP BY T1.dept_code ORDER BY sum(T1.crs_credit) DESC LIMIT 1
Find the name of the department that offers the largest number of credits of all classes.
SELECT T3.dept_name FROM course AS T1 JOIN CLASS AS T2 ON T1.crs_code = T2.crs_code JOIN department AS T3 ON T1.dept_code = T3.dept_code GROUP BY T1.dept_code ORDER BY sum ( T1.crs_credit ) DESC LIMIT 1
select t3 . dept_name from course as t1 join class as t2 on t1 . crs_code = t2 . crs_code join department as t3 on t1 . dept_code = t3 . dept_code group by t1 . dept_code order by sum ( t1 . crs_credit ) desc limit value
Find the name of the department that offers the largest number of credits of all classes .