在下列基本表的定义中,数值5表示() create table student( sno char(5) not null unique,sname char(2))
A.
表中有5条记录
B.
表中有5列
C.
表中字符串sno的长度
D.
表格的大小
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】Which statement about the deck line is TRUE ________.
A.
The top of the deck line is marked at the highest point of the freeboard deck,including camber,at the midships point
B.
A vessel with wooden planks on a steel deck will have the deck line marked at the intersection of the upper line of the wood sheathing with the side shell
C.
The deck edge is marked at the intersection of the freeboard deck with the side shell,at the lowest point of sheer,with the vessel at even trim
D.
On a vessel with a rounded stringer-sheer plate,the deck line is marked where the stringer plate turns down from the plane of the deck line