补充完整SQL语句,完成要求:声明了两个变量variable1和variable2,数据类型分别为int和datetime。 DECLARE ____ int, @variable2 datetime

在Java Web应用开发中，编写JSP包含如下代码，JSP执行后在HTML页面上的输出结果为（）。 A:  variable：88 variable：NULL B:  variable：80+8 variable： C:  variable：88 variable： 88 D:  variable：88 variable：

A variable that can take on values at any point over a given interval is called _______. A: a value variable B: a continuous random variable C: a point variable D: a discrete random variable

Of which the initial value is unpredictable, if it is not initialized? A: static external variable B: local variable C: static local variable D: external variable

Name of Internet service provider is A: discrete numerical variable B: continuous numerical variable C: categorical variable

以下给变量赋值的方法中，在bash下合理的有（） A: variable=thisisatestedip B: variable="thisisatestedip" C: variable=’thisisatestedip’ D: variable=this\is\a\tested\ip

A structure variable can be assigned to another structure variable of the same type.

Use the following code to answer the following questions: int id = 0; cout &#91;< "ID: "; cin &#93;> id; if (id == 1) cout << "Janet"; else if (id == 2 || id == 3) cout << "Mark"; else if (id == 4) cout << "Jerry"; else cout << "Sue"; (1) The above code display ____when the id variable contains the number 2? (2) The above code display ____when the id variable contains the number 4? (3) The above code display ____when the id variable contains the number 3? (4) The above code display ____when the id variable contains the number 8

下面哪个是不合法的标识符 A: 2variable B: variable2 C: _whatavariable D: _a3_

下列是 python 合法标识符的是（ ） A: 2variable B: variable2 C: $anothervar D: if