从student表删除年龄大于30的记录的正确SQL命令是（）。 A. DELETE FOR年龄＞30B. DELETE FROM

从student表删除年龄大于30的记录的正确SQL命令是（）。

A. DELETE FOR年龄＞30

B. DELETE FROM student WHERE年龄＞30

C. DELETE student FOR年龄＞30

D. DELETE student WHERE年龄＞30