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Evaluate the following command and its output:Which two statements correctly interpret the output?()A. FREE_SPACE indicates only the space that is currently unallocated.B. ALLOCATED_SPACE indicates only the space currently allocated and in use.C. FREE_SPA

题目
Evaluate the following command and its output:Which two statements correctly interpret the output?()

A. FREE_SPACE indicates only the space that is currently unallocated.

B. ALLOCATED_SPACE indicates only the space currently allocated and in use.

C. FREE_SPACE indicates only the space that is currently allocated and available for reuse.

D. ALLOCATED_SPACE indicates both the space currently allocated and used, and the space that is available for reuse.

E. FREE_SPACE indicates both the space that is currently allocated and available for reuse, and the space that is currently unallocated.


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  • 第1题:

    请看以下存储过程

    begin

    begin

    <语句1>

    exception

    when others

    dbms_output.put_line('错误1');

    end;

    begin

    <语句2>

    dbms_output.putline('错误2');

    end;

    exception

    when others then

    dbms_output.put_line("错误3");

    end;

    请问,当<语句1>,<语句2>出错时,该存储过程输出字符串分别是什么?


    正确答案:
     

  • 第2题:

    2、若要统计a.dat文件的信息并将结果追加到output.ls文件中,可以使用的命令是

    A.wc > a.dat > output.ls

    B.wc > a.dat >> output.ls

    C.a.dat > wc >> output.ls

    D.wc < a dat >> output.ls


  • 第3题:

    7、以下代码片段编译运行的结果是:int Output=10; boolean b1 = false; if((b1==true) && ((Output+=10)==20)){ System.out.println("We are equal "+Output); } else { System.out.println("Not equal! "+Output); }

    A.输出"Not equal! 10"

    B.编译错误

    C.输出"We are equal 10"


    D

  • 第4题:

    下列哪个选项是python中的输入输出函数()

    A.scranf()和output()

    B.print()和output()

    C.input()和print()

    D.input()和output()


    input ()和 print ()

  • 第5题:

    定义一个模块时,若要声明一个8位的输出端OUT,则下列语句合适的是 。

    A.output [7:0]OUT

    B.output [8:0]OUT;

    C.output [8]OUT;

    D.output OUT[8];


    其余选项全对

  • 第6题:

    output语句的功能是什么?


    B