A.
UPDATE sc SET cj=SQRT(cj)*10; SELECT sno AS 学号, cno AS 课程号, cj AS 调整成绩 FROM sc WHERE cno='10010001';
B.
SELECT sno AS 学号, cno AS 课程号, cj AS 原成绩, SQRT(cj)*10 AS 调整成绩 FROM sc WHERE cno='10010001';
C.
UPDATE sc SET cj=SQRT(cj)*10; SELECT sno AS 学号, cno AS 课程号, cj AS 原成绩, SQRT(cj)*10 AS 调整成绩 FROM sc WHERE cno='10010001';
D.
SELECT sno AS 学号, cno AS 课程号, cj AS 原成绩, SQRT(cj)*10 AS 调整成绩 FROM sc HAVING cno='10010001';