评测信息
运行ID: 11895
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AS SUM(Ccredit)
FROM SC,Course
WHERE Sno = '201215012' AND SC.Cno ' at line 1
FROM SC,Course
WHERE Sno = '201215012' AND SC.Cno ' at line 1