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The ORDERS table has these columns:ORDER_ID NUMBER(4) NOT NULLCUSTOMER_ID NUMBER(12) NOT NULLORDER_TOTAL NUMBER(10,2)The ORDERS table tracks the Order number, the order total, and the customer to whom the Order belongs.Which two statements retrieve orders with an inclusive total that ranges between 100.00 and 2000.00 dollars? （）
A. SELECT customer_id, order_id, order_total FROM orders RANGE ON order _ total (100 AND 2000) INCLUSIVE;
B. SELECT customer_id, order_id, order_total FROM orders HAVING order _ total BETWEEN 100 and 2000;
C. SELECT customer_id, order_id, order_total FROM orders WHERE order _ total BETWEEN 100 and 2000;
D. SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and <= 2000;
E. SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and order_total <= 2000;
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更多 “ The ORDERS table has these columns:ORDER_ID NUMBER(4) NOT NULLCUSTOMER_ID NUMBER(12) NOT NULLORDER_TOTAL NUMBER(10,2)The ORDERS table tracks the Order number, the order total, and the customer to whom the Order belongs.Which two statements retrieve orders with an inclusive total that ranges between 100.00 and 2000.00 dollars? （）A. SELECT customer_id, order_id, order_total FROM orders RANGE ON order _ total (100 AND 2000) INCLUSIVE;B. SELECT customer_id, order_id, order_total FROM orders HAVING order _ total BETWEEN 100 and 2000;C. SELECT customer_id, order_id, order_total FROM orders WHERE order _ total BETWEEN 100 and 2000;D. SELECT customer_id, order_id, order_total FROM orders WHERE order_total= 100 and = 2000;E. SELECT customer_id, order_id, order_total FROM orders WHERE order_total= 100 and order_total = 2000; ” 相关考题
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阅读以下说明和Java代码，将应填入(n)处的语句写在对应栏内。【说明】进行两个整数之间的比较，由考生通过输入窗口分别输入两个整数，程序比较出结果。例如：先后输入的两个数分别为25和36。比较结果显示：25!=3625＜3625＜=36【Java代码】import javax.swing.JOptionPane;public class Java3{public static void main(String args[]){String (1) // 用户输入第1个字符串secondNumber, // 用户输入第2个字符串result; // 包含输出int number1, // 比较的第1个数number2; // 比较的第2个数// 用户输入的第1个字符串firstNumber =JOptionPane. (2) ("Enter first integer:");//读用户输入的第2个字符串secondNumber =JOptionPane.showlnputDialog("Enter second integer:");将字符串类型转换成整数类型number1= Integer. (3) (firstNumber);number2= Integer.parselnt(secondNumber);result= "":if ((4))result=number1+"=="+number2;if (number1 != number2)result=number1+"!="+number2;if (number1＜number2)result=result+"\n"+number1+"＜"+ number2;if (number1＞number2)result=result+"\n"+number1+"＞"+number2;if (number1＜=number2)result=result+"\n"+number1+"＜="+number2;if (numbed＞=number2)result=result+"\n"+number1+"＞="+number2;//显示结果JOptionPane.(5).(null, result, "Comparison Results",JOptionPane. INFORMATION_MESSAGE);//程序正常退出System.exit(0);}}
考题
阅读下面程序import javax.swing.JOptionPane；public class Comparison{public static void main(String args[]){String firstNumber, //用户输入第1个数据变量second Number, //用户输入第2个数据变量result； //输出结果变量int number1， //用于比较的第1个数number2； //用于比较的第2个数//用户输入第1个数据的字符串firstNumber=JOptionPane. showInputDialog(“输入第1个整数：”)；//用户输入第2个数据的字符串secondNumber=JOptionPane.showlnputDialog(“输入第2个整数：”)；//将字符串转换为整数类型number1=Integer.parseInt(firstNumber)；number2=Integer.parseInt(secondNumber)；//初始化结果变量___________________;//比较两个数据if(number1＝number2)result += number1 +" =" + number2;if(number1 != number2 )result += numberl +" !=" + number2;if( number1 ＜ number2 )result = result + "\n" + numberl +" ＜" + number2;if(number1 ＞ number2 )result = result + "\n" + number1 + "＞" + number2;if( number1 ＜= number2 )result = result + "\n" + number1 +" ＜=" + number2;if (number1 ＞= number2 )result = result + "\n" + number1 + "＞=" + number2;//显示结果JOptionPane.showMessageDialog(null,result," 比较结果",JOptionPane. INFORMATION_MESSAGE);System.exit(0);}}为使程序能正确运行并得到合理的输出结果，初始化结果变量语句(下划线处)应是A．result = ""B．result = nullC．result = number1D．result = number2
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阅读下面程序import javax.swing．JOptionPane；public class Comparison {public static void main(String args[]) {String firstNumber， //用户输入第1个数据变量secondNumber， //用户输入第2个数据变量result； //输出结果变量int number1， //用于比较的第1个数number2； //用于比较的第2个数//用户输入第1个数据的字符串firstNuinber=JOptionPane.showInputDialog("输入第1个整数:")；//用户输入第2个数据的字符串secondNumber=JOptionPane.showInputDialog("输入第2个整数:")；//将字符串转换为整数类型number1=Integer.parseInt(firstNumber)；number2=Integer.parseInt(secondNumber)；//初始化结果变量______//比较两个数据if(number1==number2)result+=number1+"=="+number2；if(number1! =number2) result+=number1+"!="+number2；if(number1＜number2) result=result+"\n"+number1+"＜"+number2；if(number1＞number2) result=result+"\n"+number1+"＞"+number2；if(number1＜=number2) result=result+"\n"+number1+"＜="+number2；if(number1＞=number2) result=result+"\n"+number1+"＞="+number2：//显示结果JOptionPane.showMessageDialog(null,result."比较结果"，JOptionPane.INFORMATION_MESSAGE)；System．exit(0)；}}为使程序能正确运行并得到合理的输出结果，初始化结果变量语句(下画线处)应是A．result=" "；B．result=nullC．result=number1D．result=number2
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有以下程序:includeusing namespace std;class MyClass{public:MyClass(int n){numbe
有以下程序： #include＜iostream＞ using namespace std； class MyClass { public： MyClass(int n){number=n；} //拷贝构造函数 MyClass(MyClassother) {number＝other.number；} ～MyClass() {} private： int number； }； MyClass fun(MyClass p)A．5B．4C．3D．2
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b)main(){union{ /*定义一个联合*/int i;struct{ /*在联合中定义一个结构*/char first;char second;}half;}number;number.i=0x4241; /*联合成员赋值*/printf("%c%c\n", number.half.first,mumber.half.second);number.half.first='a'; /*联合中结构成员赋值*/number.half.second='b';printf("%x\n", number.i);getch();}
考题
阅读下面程序： import javax.swing.JOptionPane; public class Comparison { public static void main (Stringargs[]){ String firstNumber, //用户输入第1个数据变量 secondNumber, //用户输入第2个数据变量 result; //输出结果变量 mtnumberl, //用于比较的第1个数 number2; //用于比较的第2个数 //用户输入第1个数据的字符串 firstNumber=JOptionPane.showlnputDialog(“输入第1个整数：”) //用户输入第2个数据的字符串 secondNumber=JOptionPane。showlnputDialog(“输入第2个整数：”)； //将字符串转换为整数类型 number1=Integer.parseInt(firstNumber); number2=Integer.parseInt(secondNumber); //初始化结果变量 _________________________; //比较两个数据 if(number1=number2) result+=numberl+"="+number2； if(number1 !=number2) resun+=numberl+"!="+number2； if(number1＜number2) result=result+"\n"+number1+"＜"+nunlber2； if(number1＞number2) result=result+"\n"+numberl+"＞"+number2； if(numberl＜=number2) result二reSUlt+”h1”+numberl+”仁”+number2； if(number1＞=number2) result=result+"\n"+number1+"＞="+number2； //显示结果 JOpdonPane.showMessageDialog(null,rcsult, "比较结果"， JOpdonPane.INFORMATION_MESSAGE; System,exIT(0); } } 为使程序能正确运行并得到合理的输出结果，初始化结果变量语句(下划线处)应是 ( )。A．result=""B．resnlt=nullC．resun=number1D．result=number2
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阅读以下Java代码，填充（1）~（5）的空缺，将解答填入答题纸的对应栏内。 【说明】进行两个整数之间的比较，由考生通过输入窗口分别输入两个整数，程序比较出结果。例如：先后输入的两个数分别为25和36。 比较结果显示： 25!=36 25＜36 25＜=36 【Java代码】 import javax.swing.JOptionPane; public class Java3 { public static void main(String args[]) { String （1） //用户输入第1个字符串 secondNuimber, //用户输入第2个字符串 result; //包含输出结果的字符串 int number1, //比较的第1个数 number2; //比较的第2个数 //读用户输入的第1个字符串 firstNumber= JOptionPane（2）("Enter first integer:"); //读用户输入的第2个字符串 secondNumber= JOpttionPane.showlnputDialog("Enter second integer:"); //将字符串类型转换成整数类型 number1=Integer.（3）(firstNumber); number2=Integer.parselnt(secondNumber); result=""; if(（4）) result=number1+"=="+number2; if(number1!=number2) result=number1+"!=”"+number2; if(number1＜number2) result=result+"\n"+number1+"＜"+number2; if(numbe1＞number2) result=result+"\n"+number1+"＞"+number2; if(number1＜=number2) result=result+"\n"+number1+"＜="+number2; if(number1＞=number2) result=result+"\n"+number1+"＞="+number2; //显示结果 JOptionPane.（5）( null,result,"Comparison Results", JOptionPane.INFORMATION_MESSAGE.; //程序正常退出 System.exit(0); }}
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如果Number=3，请指出下列语句的真与假。 If Number = 3, point out the truth and false of the following statements. Int（Number * Number) = Number * Number
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24、如果Number=7，下列命题为真。 If Number = 7, point out the truth or false of the following expressions. Sqrt（Number*Number ) == Int（Sqrt（Number*Number))
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23、假定 number=4，下面哪个语句不会出错？A．print(format(number, "2d"), format(number ** 1.5, "4d"))B．print(format(number, "2d"), format(number ** 1.5, "4.2d"))C．print(format(number, "2d"), format(number ** 1.5, "4.2f"))D．print(format(number, "2f"), format(number ** 1.5, "4.2d"))
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