多选题What two statements are true regarding the recommendations received from the SQL Access Advisor?()(Choose two.)AIt cannot generate recommendations that support multiple workload queries.BIt can recommend partitioning on tables provided that the workloa

题目
多选题
What two statements are true regarding the recommendations received from the SQL Access Advisor?()(Choose two.)
A

It cannot generate recommendations that support multiple workload queries.

B

It can recommend partitioning on tables provided that the workloads have some predicates and joins on the columns of the NUMBER or DATE type.

C

It can recommend partitioning only on tables that have at least 10,000 rows.

D

It can recommend only B-tree indexes and not bitmap or function-based indexes


相似考题
更多“What two statements are true regarding the recommendations r”相关问题
  • 第1题:

    Which two statements are true regarding L2TP? ()(Choose two.)

    A. Tunnels are initiated by the LAC

    B. Tunnels are initiated by the LNS

    C. By default, subscriber authentication occurs on the LNS

    D. By default, subscriber authentication occurs on the LAC


    参考答案:A, C

  • 第2题:

    Which two statements are true regarding high-availability chassis clustering?()

    • A、A chassis cluster consists of two devices.
    • B、A chassis cluster consists of two or more devices.
    • C、Devices participating in a chassis cluster can be different models.
    • D、Devices participating in a chassis cluster must be the same models

    正确答案:A,D

  • 第3题:

    Which two statements regarding asymmetric key encryption are true?()

    • A、The same key is used for encryption and decryption.
    • B、It is commonly used to create digital certificate signatures.
    • C、It uses two keys: one for encryption and a different key for decryption.
    • D、An attacker can decrypt data if the attacker captures the key used for encryption

    正确答案:A,B

  • 第4题:

    Which two statements are TRUE regarding Coherence Indexes ? ()

    • A、 indexes are maintained by cache entry ownes
    • B、 an application should not suggest an index that another aplication had suggested
    • C、 indexes cannot be sorted
    • D、 each application using Coherence may suggest the same set of indexes when it starts

    正确答案:A,D

  • 第5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6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,D
    解析: 暂无解析

  • 第7题:

    多选题
    Regarding an IPsec security association (SA), which two statements are true?()
    A

    IKE SA is bidirectional.

    B

    IPsec SA is bidirectional.

    C

    IKE SA is established during phase 2 negotiations.

    D

    IPsec SA is established during phase 2 negotiations.


    正确答案: D,C
    解析: 暂无解析

  • 第8题:

    多选题
    Which two statements are true regarding hot patching?()
    A

    It requires relinking of the Oracle binary.

    B

    It does not require database instance shutdown.

    C

    It can detect conflicts between two online patches.

    D

    It is available for installing all patches on all platforms.

    E

    It works only in a single database instance environment.


    正确答案: E,B
    解析: 暂无解析

  • 第9题:

    多选题
    Which two statements are true regarding L2TP? ()(Choose two.)
    A

    Tunnels are initiated by the LAC

    B

    Tunnels are initiated by the LNS

    C

    By default, subscriber authentication occurs on the LNS

    D

    By default, subscriber authentication occurs on the LAC


    正确答案: C,D
    解析: 暂无解析

  • 第10题:

    多选题
    Which two statements are true regarding single row functions?()
    A

    They accept only a single argument

    B

    They can be nested only to two levels

    C

    Arguments can only be column values or constants

    D

    They always return a single result row for every row of a queried table

    E

    They can return a data type value different from the one that is referenced


    正确答案: A,B
    解析: 暂无解析

  • 第11题:

    多选题
    Which two statements regarding symmetric key encryption are true?() (Choose two.)
    A

    The same key is used for encryption and decryption.

    B

    It is commonly used to create digital certificate signatures.

    C

    It uses two keys: one for encryption and a different key for decryption.

    D

    An attacker can decrypt data if the attacker captures the key used for encryption.


    正确答案: D,B
    解析: 暂无解析

  • 第12题:

    单选题
    Evaluate these two SQL statements: What is true about them?()
    A

    The two statements produce identical results.

    B

    The second statement returns a syntax error.

    C

    There is no need to specify DESC because the results are sorted in descending order by default.

    D

    The two statements can be made to produce identical results by adding a column alias for the salary column in the second SQL statement.


    正确答案: D
    解析: 暂无解析

  • 第13题:

    What statements are true regarding ICMP packets?()

    • A、They acknowledge receipt of TCP segments.
    • B、They guarantee datagram delivery.
    • C、They can provide hosts with information about network problems.
    • D、They are encapsulated within IP datagrams.
    • E、They are encapsulated within UDP datagrams.

    正确答案:C,D

  • 第14题:

    Which two statements are true regarding L2TP? ()(Choose two.)

    • A、Tunnels are initiated by the LAC
    • B、Tunnels are initiated by the LNS
    • C、By default, subscriber authentication occurs on the LNS
    • D、By default, subscriber authentication occurs on the LAC

    正确答案:A,C

  • 第15题:

    Whitch two statements are true regarding the role of the Routing Engine (RE)? ()

    • A、The RE controls and monitors the chassis
    • B、The RE manages the Packet Forwarding Engine (PFE)
    • C、The RE receives a copy of the forwarding table from the forwarding plane
    • D、The RE implements class of service (COS)

    正确答案:A,B

  • 第16题:

    Which two statements are true regarding subqueries? ()

    • A、A subquery can retrieve zero or more rows 
    • B、Only two subqueries can be placed atone level 
    • C、A subquery can be used only in SQL query statements 
    • D、A subquery can appear on either side of a comparison operator 
    • E、There is no limit on the number of subquery levels in the WHERE clause of a SELECT statement 

    正确答案:A,D

  • 第17题:

    What two statements are true regarding the recommendations received from the SQL Access Advisor?()

    • A、 It cannot generate recommendations that support multiple workload queries.
    • B、 It can recommend partitioning on tables provided that the workloads have some predicates and joins on the columns of the NUMBER or DATE type.
    • C、 It can recommend partitioning only on tables that have at least 10,000 rows.
    • D、 It can recommend only B-tree indexes and not bitmap or function-based indexes.

    正确答案:B,C

  • 第18题:

    多选题
    What two statements are true regarding the recommendations received from the SQL Access Advisor?()
    A

    It cannot generate recommendations that support multiple workload queries.

    B

    It can recommend partitioning on tables provided that the workloads have some predicates and joins on the columns of the NUMBER or DATE type.

    C

    It can recommend partitioning only on tables that have at least 10,000 rows.

    D

    It can recommend only B-tree indexes and not bitmap or function-based indexes.


    正确答案: A,D
    解析: 暂无解析

  • 第19题:

    多选题
    Which two statements regarding asymmetric key encryption are true?()
    A

    The same key is used for encryption and decryption.

    B

    It is commonly used to create digital certificate signatures.

    C

    It uses two keys: one for encryption and a different key for decryption.

    D

    An attacker can decrypt data if the attacker captures the key used for encryption


    正确答案: C,B
    解析: 暂无解析

  • 第20题:

    多选题
    Which two statements are TRUE regarding Coherence Indexes ? ()
    A

    indexes are maintained by cache entry ownes

    B

    an application should not suggest an index that another aplication had suggested

    C

    indexes cannot be sorted

    D

    each application using Coherence may suggest the same set of indexes when it starts


    正确答案: C,A
    解析: 暂无解析

  • 第21题:

    多选题
    Whitch two statements are true regarding the role of the Routing Engine (RE)? ()
    A

    The RE controls and monitors the chassis

    B

    The RE manages the Packet Forwarding Engine (PFE)

    C

    The RE receives a copy of the forwarding table from the forwarding plane

    D

    The RE implements class of service (COS)


    正确答案: A,D
    解析: 暂无解析

  • 第22题:

    多选题
    Which two statements regarding a SQL profile are true?()
    A

    It is built by Automatic Tuning Optimizer.

    B

    It cannot be stored persistently in the data dictionary.

    C

    It can be used by the query optimizer automatically.

    D

    It can be created manually by using the CREATE PROFILE command.


    正确答案: B,C
    解析: 暂无解析

  • 第23题:

    多选题
    Which two statements are true regarding high-availability chassis clustering?()
    A

    A chassis cluster consists of two devices.

    B

    A chassis cluster consists of two or more devices.

    C

    Devices participating in a chassis cluster can be different models.

    D

    Devices participating in a chassis cluster must be the same models


    正确答案: C,B
    解析: 暂无解析