Which two statements are true regarding the default behavior of the ORDER BY clause? () A.Null values are left out of the sort.B.Character values are displayed from Z to AC.Date values are displayed with the earliest value first.D.Null values are displayed last for descending sequences.E.Numeric values are displayed with the lowest values first.

Which two statements are true regarding the default behavior of the ORDER BY clause? ()

A.Null values are left out of the sort.

B.Character values are displayed from Z to A

C.Date values are displayed with the earliest value first.

D.Null values are displayed last for descending sequences.

E.Numeric values are displayed with the lowest values first.


相关考题:

下面程序的输出结果是( )。 public class Sun { public static void main(String args[ ]) { int i = 1; switch (i) { case 0: System.out.println("zero"); break; case 1: System.out.println("one"); case 2; System.out.println("two"); default: System.out.println("default"); } } }A.oneB.one,defaultC.one,two,defaultD.default

下列复选框构造方法,错误的是 ( )A.setLayout(new GridLayout(3,1));B.add(new Checkbox("one",null,true));C.add(new Checkbox("two"));D.add(new Checkbox("one",true));

下面程序的输出结果是( )。 public class Sun { public static void main(String args[ ]) { int i = 1; switch (i) { case 0: System.but.println("zero"); break; case 1: System.out.println("one"); case 2: System.out.println("two"); default: System.out.println ("default"); } } }A.oneB.one, defaultC.one, two, defaultD.default

编译和执行以下代码,输出结果是( )。 int i=1; switch (i) { case 0: System.out.print("zero,"); break; case 1: System.out.print("one,"); case 2: System.out.print("two,"); default: System.out.println("default"); }A.one,B.one,two,C.one,two,defaultD.default

下列复选框构造方法,错误的是()。A.setLayout(newGridLayout(3,1));B.add(newCheckbox("one",null,true));C.add(newCheckbox("tWO");D.add(newCheckbox("one",true);

以下程序段的输出结果为( )。 int j=2 switch (j){ Case 2: system.out.print("two."): Case 2+1: System.out.println("three."); break: default: System.out.println (“value is”+j): Break }A.B.twoA.two.three.B.twoC.threeD.value is 2

有如下代码段:switch ( x ){case 1:System.out.println("One");break;case 2:case 3:System.out.println("Two");break;default:System.out.println("end");}变量x的取值下列哪些情形时,能使程序输出"Two" 。A. 1B. 2C. 3D. default

给定如下Java代码片段,编译运行时的结果是() int i=2; switch(i) { default: System.out.println(“default”); case 0: System.out.println(“zero”); break; case 1: System.out.println(“one”); case 2: System.out.println(“two”); }A.输出:defaultB.输出:default zeroC.编译出错,default 语句位置不符合switch结构的语法结构D.输出two

下列描述正确的是:A.表示m>n为false或m<n为true的表达式为(m>nm<n)B.switch语句结构中必须有default语句C.if语句结构中必须有default语句D.如果至少有一个操作数为true,则包含||运算符的表达式为true

继续上题,根据每个人的全年销售总量sum列,进行从大到小的排序,存放在新的数据框y中,可以使用的语句是()A.y<-x[order(x$sum)B.y<-x[order(x$sum,decreasing = TRUE),]C.y<-x[order(x$sum),]D.y<-x[sort(x$sum,decreasing = TRUE),]