相关考题
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多项选择题
按照学生平均成绩(avg_grade)将students表中的数据检索出来,下面SQL语句正确的是()
A.SELECT*FROM students ORDERBYavg_grade
B.SELECT*FROM students GROUPBYavg_grade ASC
C.SELECT*FROM students ORDERBYavg_grade DESC
D.SELECT*FROM students ORDERbyavg_gradeasc -
多项选择题
下列属于jsp中注释的有()
A.<%-- 与 --%>
B./
C./** 与 **/
D.<!-- 与 --><%-->%--> -
单项选择题
Which instantiates an instance of Inner?()
A. new Inner(); // At line 3
B. new Inner(); // At line 8
C. new o.Inner(); // At line 8
D. new Outer.Inner(); // At line 8
