The EMPLOYEES table contains these columns:You need to write a query that will produce these results:1. Display the salary multiplied by the commission_pct.2. Exclude employees with a zero commission_pct.3. Display a zero for employees with a null commiss

题目

The EMPLOYEES table contains these columns:You need to write a query that will produce these results:1. Display the salary multiplied by the commission_pct.2. Exclude employees with a zero commission_pct.3. Display a zero for employees with a null commission value.Evaluate the SQL statement:What does the statement provide?（）

A. All of the desired results

B. Two of the desired results

C. One of the desired results

D. An error statement

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更多“The EMPLOYEES table contains these columns:You need to write a query that will produce the ”相关问题

  • 第1题：

    读取CSV格式的文件，用一下哪个函数

    A．read.csv()

    B．read.table()

    C．read.delim()

    D．write.csv()


    read.csv()

  • 第2题：

    24、将文献导入EndNote后，再安装Cite-While-You-Write插件，用户使用WORD撰写论文时便可实现参考文献的边写边插。


    正确

  • 第3题：

    以下对于列表的相关操作中哪些项有正确的输出结果？

    A.＞＞＞ language = list('PHP'); ＞＞＞ language[1:] = 'ython'; ＞＞＞ print language ['P', 'y', 't', 'h', 'o', 'n']#B.＞＞＞ print list('Life is short, you need Python.').count('is') 1#C.＞＞＞ x = [2, 3, 0, 4, 1] ＞＞＞ x.sort() ＞＞＞ print x [0, 1, 2, 3, 4]#D.＞＞＞ words = ['Life', 'is', 'short', 'you', 'need', 'Python'] ＞＞＞ words.index('you') 4
    ＞＞＞ language = list('PHP'); ＞＞＞ language[1:] = 'ython'; ＞＞＞ print language ['P', 'y', 't', 'h', 'o', 'n'];＞＞＞ x = [2, 3, 0, 4, 1]＞＞＞ x.sort()＞＞＞ print x[0, 1, 2, 3, 4]

  • 第4题：

    以下对于列表的相关操作中哪些项有正确的输出结果？

    A.＞＞＞ language = list('PHP'); ＞＞＞ language[1:] = 'ython'; ＞＞＞ print(language) ['P', 'y', 't', 'h', 'o', 'n']#B.＞＞＞ print(list('Life is short, you need Python.').count('is')) 1#C.＞＞＞ x = [2, 3, 0, 4, 1] ＞＞＞ x.sort() ＞＞＞ print(x) [0, 1, 2, 3, 4]#D.＞＞＞ words = ['Life', 'is', 'short', 'you', 'need', 'Python'] ＞＞＞ words.index('you') 4
    ＞＞＞ language = list('PHP'); ＞＞＞ language[1:] = 'ython'; ＞＞＞ print language ['P', 'y', 't', 'h', 'o', 'n'];＞＞＞ x = [2, 3, 0, 4, 1]＞＞＞ x.sort()＞＞＞ print x[0, 1, 2, 3, 4]

  • 第5题：

    将文献导入EndNote后，再安装Cite-While-You-Write插件，用户使用WORD撰写论文时便可实现参考文献的边写边插。


    正确

  • 第6题：

    16、MySQL数据库中，通常将用户写入对应的权限表来控制访问权限的，以下属于用户权限得选项（）。

    A．User

    B．db

    C．table_priv

    D．columns_priv


    grant;insert

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