In a database with the database character set of US7ASCII and a national character set of UTF－8, which datatypes would be capable of storing Unicode data by default?()A. VARCHAR2B. CHARC. NVARCHAR2D. CLOBE. LONG

题目
In a database with the database character set of US7ASCII and a national character set of UTF－8, which datatypes would be capable of storing Unicode data by default?()

A. VARCHAR2

B. CHAR

C. NVARCHAR2

D. CLOB

E. LONG

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更多“In a database with the database character set of US7ASCII and a national character set of UTF－8, which datatypes would be capable of storing Unicode data by default?() ”相关问题

  • 第1题：

    （ ）is an intermediate repository of data.

    A.Universal Serial Bus
    B.Buffer
    C.DatA.record
    D.Database

    答案：B
    解析：

  • 第2题：

    如果要在数据表中正确地显示中文，必须将（）设置为UTF8。

    A．default-character-set

    B．character-set-server

    C．default-storage-engine

    D．port


    正确

  • 第3题：

    要实现同步置位（高电平有效)、上升沿触发的D触发器设计： module dff_s （data,set,clk,q); input data,set,clk; output reg q; always （1) begin if（2 ) q＜=1'b1; else （3); end endmodule （2）应该填写（）。

    A．(rst_n==1'b0)

    B．(set)

    C．(set==1'b0)

    D．（!set）


    正确

  • 第4题：

    1、设置MySQL字符集的方法

    A.修改my.ini配置文件，可修改MySQL默认的字符集。###SXB###B.MySQL提供MySQL命令可以“临时地”修改MySQL“当前会话的”字符集以及字符序。###SXB###C.使用MySQL命令 “set names gbk;”可以“临时一次性地”设置character_set_client、character_set_connection以及character_set_results的字符集为gbk###SXB###D.连接MySQL服务器时指定字符集 mysql --default-character-set=字符集 -h 服务器IP地址 -u 账户名 –p密码
    A

  • 第5题：

    建立登录用户时若不指定DEFAULT_DATABASE选项，默认数据库为master数据库。（）


    正确

  • 第6题：

    长期存储在计算机内，有组织的、可共享的大量数据的集合是（）。 A、数据（Data） B、数据库（DataBase） C、数据库管理系统（DBMS） D、数据库系统（DBS）

    A．数据（Data）

    B．数据库（DataBase）

    C．数据库管理系统（DBMS）

    D．数据库系统（DBS）


    数据库

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