答案:
SELECT student,
SUM(CASE course WHEN '语文'THEN score END)AS '语文',
SUM(CASE course WHEN '数学'THEN score END)AS '数学',
SUM(CASE course WHEN '英语'THEN score END)AS '英语'
FROM Score GROUP BY student
答案:
SELECT student,
SUM(CASE course WHEN '语文'THEN score END)AS '语文',
SUM(CASE course WHEN '数学'THEN score END)AS '数学',
SUM(CASE course WHEN '英语'THEN score END)AS '英语'
FROM Score GROUP BY student