听力原文:Despite the pressures of overcrowding and long working hours, the Japanese men can expect to live for as long as 75 years, while women reach an average age of 81 years.
(53)
若另有表Teach(CName,TName)存储教师任课情况,Tname表示教师名。用SQL创建一个含有学号、姓名、课程名、成绩、任课教师名的“主修专业为计算机CS”的学生成绩视图,并要求进行修改、插入操作时保证该视图只有计算机系的学生。请在SQL语句空缺处填入正确的内容。
CREATE VIEW SG (1)
SELECT Student.SNo,SName,Grade,Course.CName,TName
FROM Student,Grade,Teach,
WHERE (2)
AND (3)
AND Major='cs',
(4);
(1)