多选题In a design situation, there are multiple character sets that can properly encode your data. Which three should influence your choice of character set?（）ASyntax when writing queries involving JOINSBMemory usage when working with the data CCharacter set

题目
多选题
In a design situation, there are multiple character sets that can properly encode your data. Which three should influence your choice of character set?（）
A

Syntax when writing queries involving JOINS

B

Memory usage when working with the data 

C

Character set mapping index hash size

D

Disk usage when storing data

相似考题

1.you should () your reasons for canceling your purchase order.A、set forthB、set upC、set inD、set out

2.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

3.When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation ________．A.The objects lie in a straight lineB.The vessel is inside of a triangle formed by the objectsC.The vessel is outside of a triangle formed by the objectsD.A circle will pass through your position and the three objects

4.You are tuning RMAN to optimize performance.You want tape I／O to be asynchronous when you perform tape backups. Which action should you take?()A. Set the BACKUP_TAPE_IO_SLAVES parameter to FALSEB.Set the BACKUP_TAPE_IO_SLAVES parameter to TRUEC. Use compression when performing tape backupsD. Configure multiple SBT channels

参考答案和解析
正确答案： A,C
解析： 暂无解析
更多“多选题In a design situation, there are multiple character sets that can properly encode your data. Which three should influence your choice of character set?（）ASyntax when writing queries involving JOINSBMemory usage when working with the dataCCharacter set ”相关问题

  • 第1题：

    Automatic data conversion will occur if which of the following happens？（）

    • A、 The client and server have different NLS_LANGUAGE settings
    • B、 The client and server character sets are not the same，and the database character set is not a strict superset of the client character set
    • C、 The client and server are in different time zones
    • D、 The client requests automatic data conversion
    • E、 The AUTO_CONVERT initialization parameter is set to TRUE

    正确答案:B

  • 第2题：

    In a design situation, there are multiple character sets that can properly encode your data. Which three should influence your choice of character set?（）

    • A、Syntax when writing queries involving JOINS
    • B、Memory usage when working with the data 
    • C、Character set mapping index hash size
    • D、Disk usage when storing data

    正确答案:B,C,D

  • 第3题：

    Automatic data conversion will occur if which of the following happens?（）

    • A、The client and server have different NLS_LANGUAGE settings.
    • B、The client and server character sets are not the same, and the database character set is not a strict superset of the client character set.
    • C、The client and server are in different time zones.
    • D、The client requests automatic data conversion.
    • E、The AUTO_CONVERT initialization parameter is set to TRUE.

    正确答案:B

  • 第4题：

    Which two tasks can your perform by using the TO_CHAR function? （）

    • A、Convert 10 to 'TEN'
    • B、Convert '10' to 10
    • C、Convert '10' to '10'
    • D、Convert 'TEN' to 10
    • E、Convert a date to a character expression
    • F、Convert a character expression to a date

    正确答案:C,E

  • 第5题：

    Which component of the Oracle networking architecture provides character set and data type conversion between different character sets on the client and server？ （）

    • A、SQL*Plus
    • B、Oracle Net
    • C、Two-Task Common （TTC）
    • D、Oracle Protocol Support （OPS）

    正确答案:C

  • 第6题：

    You have enabled resumable space allocation in your database by setting the RESUMABLE_TIMEOUTparameter set to a nonzero value.Which three statements about resumable space allocation are true? （）(Choose three.)

    • A、Even with resumable space allocation enabled for your database, you can disable resumable space allocation for a single session.
    • B、A resumable statement is suspended only if an out of space error occurs.
    • C、When a resumable statement is suspended, the transaction that contains the statement is also suspended.
    • D、A resumable statement can only be suspended and resumed once during the execution of the statement.
    • E、You can query the V$SESSION_WAIT dynamic performance view to identify the statements that are suspended for a session

    正确答案:A,C,E

  • 第7题：

    You are developing a class library. Portions of your code need to access system environment variables. You need to force a runtime SecurityException only when callers that are higher in the call stack do not have the necessary permissions. Which call method should you use？（）

    • A、set.Demand（）；
    • B、set.Assert（）；
    • C、set.PermitOnly（）；
    • D、set.Deny（）；

    正确答案:A

  • 第8题：

    Your computer has a wired network adapter and a wireless network adapter. You use the wireless network adapter only when you are traveling.  You need to configure the network adapter profile settings to ensure that the computer discovers other network devices only when you are at home.  Which two actions should you perform？（）

    • A、When you configure access to the wired network at home， set the wired network adapter location type to Public.
    • B、When you configure access to the wired network at home， set the wired network adapter location type to Private.
    • C、When you configure access to the public wireless access points， set the wireless network adapter location type to Public.
    • D、When you configure access to the public wireless access points， set the wireless network adapter location type to Private.

    正确答案:B,C

  • 第9题：

    多选题
    In a design situation, there are multiple character sets that can properly encode your data. Which three should influence your choice of character set?（）
    A

    Syntax when writing queries involving JOINS

    B

    Memory usage when working with the data 

    C

    Character set mapping index hash size

    D

    Disk usage when storing data


    正确答案： B,A
    解析： 暂无解析

  • 第10题：

    单选题
    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


    正确答案： C
    解析： 暂无解析

  • 第11题：

    多选题
    Which two tasks can your perform by using the TO_CHAR function? （）
    A

    Convert 10 to 'TEN'

    B

    Convert '10' to 10

    C

    Convert '10' to '10'

    D

    Convert 'TEN' to 10

    E

    Convert a date to a character expression

    F

    Convert a character expression to a date


    正确答案： B,A
    解析： 暂无解析

  • 第12题：

    多选题
    Which two statements are true regarding trace options on Junos devices?（）
    A

    You can see the contents of the log file by entering the show log <filename> command

    B

    Trace options will send information to your screen automatically

    C

    Trace options are limited to one protocol at a time

    D

    The file name and set of flags may be specified when enabling trace options


    正确答案： D,A
    解析： 暂无解析

  • 第13题：

    Which statement would prevent the sending of redundant route advertisements when your route reflector cluster is fully meshed？（）

    • A、set protocolbgpgroupmygrouppath-selectioncisco-non-deterministic；
    • B、set protocolbgpgroup i-bgp n-aggreator-id；
    • C、set protocolbgpgroupmygroup no-client-reflect；
    • D、set protocolbgpgroup i-bgp damping

    正确答案:C

  • 第14题：

    You are maintaining your database in Oracle10g. You find that the number of languages that should be supported in your database has increased. The character set of your database is UTF8. You decide to migrate your database to the AL16UTF16 national character set.   How will you migrate your database from UTF8 to AL16UTF16？（）  

    • A、 by using the RMAN utility
    • B、 by using the export/import utility
    • C、 by using the ALTER DATABASE command
    • D、 by enabling the change tracking feature

    正确答案:C

  • 第15题：

    You are tuning RMAN to optimize performance. You want tape I/O to be asynchronous when you perform tape backups. Which action should you take？（）

    • A、 Set the BACKUP_TAPE_IO_SLAVES parameter to FALSE
    • B、 Set the BACKUP_TAPE_IO_SLAVES parameter to TRUE
    • C、 Use compression when performing tape backups
    • D、 Configure multiple SBT channels

    正确答案:B

  • 第16题：

    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

    正确答案:C

  • 第17题：

    Which is not a valid locale definition file type？（）

    • A、 Language
    • B、 Linguistic sort
    • C、 Calendar
    • D、 Territory
    • E、 Character set

    正确答案:C

  • 第18题：

    What does the Character Set Scanner command line utility do？（）

    • A、Reports only on any Unicode character conversions required.
    • B、Performs character set conversions to the new specified character set.
    • C、Scans on any character set conversion required， then converts the data.
    • D、Checks for any character definitions that will fail conversion to the new character set.

    正确答案:D

  • 第19题：

    You need to design a method to encrypt confidential data. Your solution must address the concerns of the chief information officer. What should you do？（）

    • A、Encrypt customer information when it is stored and when it is being transmitted
    • B、Require encrypted connections to the public Web site， which is hosted on the Web server on the perimeter network
    • C、Encrypt all marketing information on file servers and client computers
    • D、Require encrypted connections to all file servers

    正确答案:A

  • 第20题：

    多选题
    When a database administrator chooses the dimensions for an MDC table, which two characteristics should beconsidered?（）
    A

    the query transaction rate

    B

    numeric data versus character data

    C

    extent size

    D

    the cardinality of the candidate columns

    E

    prefetch size


    正确答案： C,D
    解析： 暂无解析

  • 第21题：

    单选题
    Which of the following alone can differentiate you from your competitors when handing a business card to customers?
    A

    The size of the card.

    B

    The right color scheme.

    C

    A unique design of the card.

    D

    A friendlier logo of your company.


    正确答案： B
    解析：
    第四段最后一句指出“The right color scheme alone can differentiate you from the competition”，由此可知“单凭正确的颜色选择就可以与其他竞争者区分开来”，故选B。

  • 第22题：

    单选题
    Automatic data conversion will occur if which of the following happens？（）
    A

     The client and server have different NLS_LANGUAGE settings

    B

     The client and server character sets are not the same，and the database character set is not a strict superset of the client character set

    C

     The client and server are in different time zones

    D

     The client requests automatic data conversion

    E

     The AUTO_CONVERT initialization parameter is set to TRUE


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    You are maintaining your database in Oracle10g. You find that the number of languages that should be supported in your database has increased. The character set of your database is UTF8. You decide to migrate your database to the AL16UTF16 national character set.   How will you migrate your database from UTF8 to AL16UTF16？（）
    A

     by using the RMAN utility

    B

     by using the export/import utility

    C

     by using the ALTER DATABASE command

    D

     by enabling the change tracking feature


    正确答案： A
    解析： 暂无解析

  • 第24题：

    单选题
    Automatic data conversion will occur if which of the following happens?（）
    A

    The client and server have different NLS_LANGUAGE settings.

    B

    The client and server character sets are not the same, and the database character set is not a strict superset of the client character set.

    C

    The client and server are in different time zones.

    D

    The client requests automatic data conversion.

    E

    The AUTO_CONVERT initialization parameter is set to TRUE.


    正确答案： E
    解析： 暂无解析

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