当SQL的子查询返回的值是一个集合时,下列选项中的______不是在比较运算符和子查询中使用的量词。
A.REST
B.IN
C.ALL
D.ANY
参考答案:A
He has ______ daughter______ Mary. [ ]
A. a eight years old, name
B. an eight-years-old, named
C. an eight-year-old, named
D. a eight-year-old, naming
等径杆的直径通常有()mm、400mm、500mm等。
A.200
B.300
C.100
D.600