网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
Which of the following constraint types can be used to ensure the value of an INTEGER column references only positive values?()
A.Unique
B.Check
C.Referential
D.Informational
参考答案
更多 “ Which of the following constraint types can be used to ensure the value of an INTEGER column references only positive values?() A.UniqueB.CheckC.ReferentialD.Informational ” 相关考题
考题
以下插入记录正确的( )A.insert into emp(ename,hiredate,sal) values (value1,value2,value3);B.insert into emp (ename,sal)values(value1,value2,value3);C.insert into emp (ename)values(value1,value2,value3);D.insert into emp (ename,hiredate,sal)values(value1,value2);
考题
You’re going to have a quiz ( )by another two in the ( )month.
A. followed,followedB. followed,followingC. following,followedD. following,following
考题
Which view shows all valid values for the NLS_LANGUAGE, NLS_SORT, NLS_TERRITORY,and NLS_CHARACTERSET parameters?()
A. V$VALID_NLS_VALUESB. NLS_VALID_VALUESC. NLS_VALUE_OPTIONSD. V$NLS_VALUE_OPTIONSE. V$NLS_VALID_VALUES
考题
下列的变量定义中,错误的是 ( )A.int_a=123;B.int i=Integer.MAX_VALUE;C.long j=12345678900L;D.static i=100;
考题
下列语法不能实现新增数据的是()。A.INSERT INTO 表名 (值列表);B.INSERT 表名VALUE(值列表);C.INSERT INTO 表名 VALUE(值列表);D.INSERT INTO 表名 VALUES(值列表);
考题
27、下面代码的输出结果是什么? def f(value, values): v = 1 values[0] = 44 t = 3 v = [1, 2, 3] f(t, v) print(t, v[0])A.1 1B.1 44C.3 1D.3 44
考题
3、若IRR函数中参数values全部设置为正值,则函数将返回()。A.0B.#N/AC.#NUM!D.#VALUE!
热门标签
最新试卷