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多选题Which three tasks can be performed using regular expression support in Oracle Database 10g?()Ait can be used to concatenate two strings.Bit can be used to find out the total length of the string.Cit can be used for string manipulation and searching ope

题目
多选题
Which three tasks can be performed using regular expression support in Oracle Database 10g?()
A

it can be used to concatenate two strings.

B

it can be used to find out the total length of the string.

C

it can be used for string manipulation and searching operations.

D

it can be used to format the output for a column or expression having string data.

E

it can be used to find and replace operations for a column or expression having string data.


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更多“多选题Which three tasks can be performed using regular expression support in Oracle Database 10g?()Ait can be used to concatenate two strings.Bit can be used to find out the total length of the string.Cit can be used for string manipulation and searching ope”相关问题
  • 第1题:

    Which two statements are true regarding the USING clause in table joins?()

    • A、It can be used to join a maximum of three tables 
    • B、It can be used to restrict the number of columns used in a NATURAL join 
    • C、It can be used to access data from tables through equijoins as well as nonequijoins 
    • D、It can be used to join tables that have columns with the same name and compatible data types

    正确答案:B,D

  • 第2题:

    which one of the following accurately describes field names?()

    • A、they must be unique in a database  
    • B、they can only be used once in a view  
    • C、they can only used once on each form  
    • D、they can be used mulriple times on a form 

    正确答案:C

  • 第3题:

    Which two statements are true about the Automatic Diagnostic Repository (ADR)?() 

    • A、 The ADR base keeps all diagnostic information in binary format
    • B、 SQL*Plus provides the ADRI script, which can be used to work with ADR
    • C、 The ADR can be used for problem diagnosis only when the database is open
    • D、 The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null
    • E、 The ADR can be used for problem diagnosis even when the database instance is down
    • F、 The ADR base is shared across multiple instances

    正确答案:E,F

  • 第4题:

    Which three tasks can be performed using a duplicate database? ()(Choose three.)

    • A、Testing the backup and recovery procedures
    • B、Testing the upgrade of an Oracle database to a new release
    • C、Testing the effect of an application changes on database performance
    • D、Continuously updating archive log files from the target database to support failover

    正确答案:A,B,C

  • 第5题:

    Which two statements are true about the Automatic Diagnostic Repository (ADR)?() (Choose two.)

    • A、The ADR base keeps all diagnostic information in binary format
    • B、SQL*Plus provides the ADRI script, which can be used to work with ADR
    • C、The ADR can be used for problem diagnosis only when the database is open
    • D、The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null
    • E、The ADR can be used for problem diagnosis even when the database instance is down
    • F、The ADR base is shared across multiple instances

    正确答案:E,F

  • 第6题:

    Which two statements are true regarding the USING and ON clauses in table joins?()

    • A、Both USING and ON clauses can be used for equijoins and nonequijoins 
    • B、Amaximum of one pair of columns can be joined between two tables using the ON clause 
    • C、The ON clause can be used to join tables on columns that have different names but compatible data types 
    • D、The WHERE clause can be used to apply additional conditions in SELECT statements containing the ON or the USING clause 

    正确答案:C,D

  • 第7题:

    多选题
    Which two statements are true regarding the USING clause in table joins?()
    A

    It can be used to join a maximum of three tables

    B

    It can be used to restrict the number of columns used in a NATURAL join

    C

    It can be used to access data from tables through equijoins as well as nonequijoins

    D

    It can be used to join tables that have columns with the same name and compatible data types


    正确答案: A,C
    解析: 暂无解析

  • 第8题:

    多选题
    Which two statements are true regarding the USING and ON clauses in table joins?()
    A

    Both USING and ON clauses can be used for equijoins and nonequijoins

    B

    Amaximum of one pair of columns can be joined between two tables using the ON clause

    C

    The ON clause can be used to join tables on columns that have different names but compatible data types

    D

    The WHERE clause can be used to apply additional conditions in SELECT statements containing the ON or the USING clause


    正确答案: A,C
    解析: 暂无解析

  • 第9题:

    多选题
    Which three tasks can be performed using a duplicate database? ()(Choose three.)
    A

    Testing the backup and recovery procedures

    B

    Testing the upgrade of an Oracle database to a new release

    C

    Testing the effect of an application changes on database performance

    D

    Continuously updating archive log files from the target database to support failover


    正确答案: A,C
    解析: 暂无解析

  • 第10题:

    多选题
    Which statements describe the capabilities of the DBMS_NETWORK_ACL_ADMIN package?()
    A

    It can be used to allow the access privilege settings for users but not roles.

    B

    It can be used to allow the access privilege settings for users as well as roles.

    C

    It can be used to control the time interval for which the access privilege is available to a user.

    D

    It can be used to selectively restrict the access for each user in a database to different host computers.

    E

    It can be used to selectively restrict a user's access to different applications in a specific host computer.


    正确答案: D,C
    解析: 暂无解析

  • 第11题:

    多选题
    Which two statements are true about the Automatic Diagnostic Repository (ADR)?() (Choose two.)
    A

    The ADR base keeps all diagnostic information in binary format

    B

    SQL*Plus provides the ADRI script, which can be used to work with ADR

    C

    The ADR can be used for problem diagnosis only when the database is open

    D

    The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null

    E

    The ADR can be used for problem diagnosis even when the database instance is down

    F

    The ADR base is shared across multiple instances


    正确答案: D,B
    解析: 暂无解析

  • 第12题:

    多选题
    Which three tasks can be performed using a duplicate database?()
    A

    Testing the backup and recovery procedures

    B

    Testing the upgrade of an Oracle database to a new release

    C

    Testing the effect of an application changes on database performance

    D

    Continuously updating archive log files from the target database to support failover


    正确答案: A,C
    解析: 暂无解析

  • 第13题:

    NBAR is a Cisco IOS feature that can be used to perform three tasks?


    正确答案: (1)Protocol discovery
    (2)Traffic statistics collection
    (3)Traffic classification

  • 第14题:

    Which two statements regarding external authentication servers for firewall userauthentication are true?()

    • A、Up to three external authentication server types can be used simultaneously.
    • B、Only one external authentication server type can be used simultaneously.
    • C、If the local password database is not configured in the authentication order, and the configured authentication server is unreachable, authentication is not performed.
    • D、If the local password database is not configured in the authentication order, and the configured authentication server rejects the authentication request, authentication is not performed

    正确答案:B,D

  • 第15题:

    Which three tasks can be performed using regular expression support in Oracle Database 10g?()

    • A、 it can be used to concatenate two strings.
    • B、 it can be used to find out the total length of the string.
    • C、 it can be used for string manipulation and searching operations.
    • D、 it can be used to format the output for a column or expression having string data.
    • E、 it can be used to find and replace operations for a column or expression having string data.

    正确答案:C,D,E

  • 第16题:

    You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation?()

    • A、 The backup as copy can only be taken to disk
    • B、 The backup as copy can only be taken to tape
    • C、 Backup can be performed only when the instance is shutdown
    • D、 Backup will constitute all used and unused blocks in the database

    正确答案:A,D

  • 第17题:

    You want to perform an RMAN backup of database as a copy. Which two factors will you consider whileperforming the backup operation?() (Choose two).

    • A、The backup as copy can only be taken to disk
    • B、The backup as copy can only be taken to tape
    • C、Backup can be performed only when the instance is shutdown
    • D、Backup will constitute all used and unused blocks in the database

    正确答案:A,D

  • 第18题:

    Which three tasks can be performed using a duplicate database?()

    • A、 Testing the backup and recovery procedures
    • B、 Testing the upgrade of an Oracle database to a new release
    • C、 Testing the effect of an application changes on database performance
    • D、 Continuously updating archive log files from the target database to support failover

    正确答案:A,B,C

  • 第19题:

    多选题
    You want to perform an RMAN backup of database as a copy. Which two factors will you consider whileperforming the backup operation?() (Choose two).
    A

    The backup as copy can only be taken to disk

    B

    The backup as copy can only be taken to tape

    C

    Backup can be performed only when the instance is shutdown

    D

    Backup will constitute all used and unused blocks in the database


    正确答案: C,A
    解析: 暂无解析

  • 第20题:

    多选题
    Which two are the uses of the ASM metadata backup and restore (AMBR) feature?()
    A

    It can be used to back up all data on ASM disks.

    B

    It can be used to recover the damaged ASM disk group along with the data.

    C

    It can be used to gather information about a preexisting ASM disk group with disk paths,disk name,failure groups,attributes templates,and alias directory structure.

    D

    It can be used to re-create the ASM disk group with its attributes.


    正确答案: D,C
    解析: 暂无解析

  • 第21题:

    多选题
    Which two statements regarding external authentication servers for firewall userauthentication are true?()
    A

    Up to three external authentication server types can be used simultaneously.

    B

    Only one external authentication server type can be used simultaneously.

    C

    If the local password database is not configured in the authentication order, and the configured authentication server is unreachable, authentication is not performed.

    D

    If the local password database is not configured in the authentication order, and the configured authentication server rejects the authentication request, authentication is not performed


    正确答案: B,A
    解析: 暂无解析

  • 第22题:

    多选题
    Which two statements are true about the Automatic Diagnostic Repository (ADR)?()
    A

    The ADR base keeps all diagnostic information in binary format

    B

    SQL*Plus provides the ADRI script, which can be used to work with ADR

    C

    The ADR can be used for problem diagnosis only when the database is open

    D

    The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null

    E

    The ADR can be used for problem diagnosis even when the database instance is down

    F

    The ADR base is shared across multiple instances


    正确答案: E,F
    解析: 暂无解析

  • 第23题:

    多选题
    You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation?()
    A

    The backup as copy can only be taken to disk

    B

    The backup as copy can only be taken to tape

    C

    Backup can be performed only when the instance is shutdown

    D

    Backup will constitute all used and unused blocks in the database


    正确答案: B,D
    解析: 暂无解析