多选题Which three are true regarding the use of outer joins? （）AYou cannot use IN operator in a condition that involves an outerjoin.BYou use (+) on both sides of the WHERE condition to perform an outerjoin.CYou use (*) on both sides of the WHERE condition t

题目
多选题
Which three are true regarding the use of outer joins? （）
A

You cannot use IN operator in a condition that involves an outerjoin.

B

You use (+) on both sides of the WHERE condition to perform an outerjoin.

C

You use (*) on both sides of the WHERE condition to perform an outerjoin.

D

You use an outerjoin to see only the rows that do not meet the join condition.

E

In the WHERE condition, you use (+) following the name of the column in the table without matching rows, to perform an outerjoin.

F

You cannot link a condition that is involved in an outerjoin to another condition by using the OR operator.

相似考题

1.Which three statements are true regarding the use of the Database Migration Assistant for Unicode(DMU)?()A. A DBA can check specific tables with the DMUB. The database to be migrated must be opened read-only.C. The release of the database to be converted can be any release since 9.2.0.8.D. The DMU can report columns that are too long in the converted characterset.E. The DMU can report columns that are not represented in the converted characterset.

2.Which of the following a true statements regarding the use of VLANs to segment a network? (Select three)A. They increase the size of collision domainsB. They allow logical grouping of users by function.C. They can enhance network security.D. They increase the size of the broadcast domain while decreasing the number of collision domains.E. They increase the number of broadcast domains while decreasing the size of the broadcast domains.F. They simplify switch administration.

3.Which three security concerns can be addressed by a tunnel mode IPsec VPN secured by ESP?() (Choose three.)A. data integrityB. data confidentialityC. data authenticationD. outer IP header confidentialityE. outer IP header authentication

4.Which three are true about the large pool for an Oracle database instance that supports shared serverconnections?()A. Allocates memory for RMAN backup and restore operationsB. Allocates memory for shared and private SQL areasC. Contains a cursor area for storing runtime information about cursorsD. Contains stack spaceE. Contains a hash area performing hash joins of tables

更多“Which three are true regarding the use of outer joins? （）”相关问题

  • 第1题：

    Which statements are true regarding classless routing protocols?()

    A. The use of discontiguous subnets is not allowed

    B. The use of variable length subnet masks is permitted

    C. RIP v1 is a classless routing protocol

    D. IGRP supports classless routing within the same autonomous system

    E. RIP v2 supports classless routing


    参考答案：B, E

  • 第2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3题：

    Which statement is true regarding the Junos OS?（）

    • A、All platforms running the Junos OS use the same source code base
    • B、All platforms running the Junos OS use the same PFE
    • C、All platforms running the Junos OS use a hard drive to optimize syslog data storage
    • D、All platforms running the Junos OS use a separate process with protected memory space for each routing protocol

    正确答案:A

  • 第4题：

    Which statements are true regarding classless routing protocols?（）

    • A、The use of discontiguous subnets is not allowed
    • B、The use of variable length subnet masks is permitted
    • C、RIP v1 is a classless routing protocol
    • D、IGRP supports classless routing within the same autonomous system
    • E、RIP v2 supports classless routing

    正确答案:B,E

  • 第5题：

    Which three security concerns can be addressed by a tunnel mode IPsec VPN secured by ESP？（）

    • A、data integrity
    • B、data confidentiality
    • C、data authentication
    • D、outer IP header confidentiality
    • E、outer IP header authentication

    正确答案:A,B,C

  • 第6题：

    Which three statements regarding the server parameter file （SPFILE） are true（）

    • A、An SPFILE is a binary file.
    • B、An SPFILE cannot reside on a client.
    • C、An SPFILE cannot contain static parameters.
    • D、An SPFILE can store changes persistently across instance restarts.
    • E、An SPFILE can be read by the database server， but it is not written to by the server.
    • F、An SPFILE must be created manually， before creating a database， even if you use the DatabaseConfiguration Assistant （DBCA） to create the database.

    正确答案:A,B,D

  • 第7题：

    Which three are true about the large pool for an Oracle database instance that supports shared serverconnections?（）

    • A、Allocates memory for RMAN backup and restore operations
    • B、Allocates memory for shared and private SQL areas
    • C、Contains a cursor area for storing runtime information about cursors
    • D、Contains stack space
    • E、Contains a hash area performing hash joins of tables

    正确答案:A,B,C

  • 第8题：

    多选题
    Which two statements are true regarding the use of UTF-16 encoding？ （）
    A

    Enables easier loading of multinational data.

    B

    Uses a fixed-width Multibyte encoding sequence.

    C

    Asian characters are represented in three characters.

    D

    Used a variable-width Multibyte encoding sequence.

    E

    European characters are represented on one or two bytes.


    正确答案： E,A
    解析： 暂无解析

  • 第9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10题：

    多选题
    Which statements are true regarding classless routing protocols?（）
    A

    The use of discontiguous subnets is not allowed

    B

    The use of variable length subnet masks is permitted

    C

    RIP v1 is a classless routing protocol

    D

    IGRP supports classless routing within the same autonomous system

    E

    RIP v2 supports classless routing


    正确答案： B,D
    解析： 暂无解析

  • 第11题：

    多选题
    Which three are true regarding the use of outer joins? （）
    A

    You cannot use IN operator in a condition that involves an outerjoin.

    B

    You use (+) on both sides of the WHERE condition to perform an outerjoin.

    C

    You use (*) on both sides of the WHERE condition to perform an outerjoin.

    D

    You use an outerjoin to see only the rows that do not meet the join condition.

    E

    In the WHERE condition, you use (+) following the name of the column in the table without matching rows, to perform an outerjoin.

    F

    You cannot link a condition that is involved in an outerjoin to another condition by using the OR operator.


    正确答案： A,D
    解析： 暂无解析

  • 第12题：

    单选题
    What is true regarding subqueries?（）
    A

    The inner query always sorts the results of the outer query.

    B

    The outer query always sorts the results of the inner query.

    C

    The outer query must return a value to the inner query.

    D

    The inner query returns a value to the outer query.

    E

    The inner query must always return a value or the outer query will give an error.


    正确答案： C
    解析： 暂无解析

  • 第13题：

    Exhibit: Which of the following are true regarding the command output shown in the display (Choose two.)()。

    A.There are at least two routers participating in the RIP process.

    B.A ping to 192.168.168.2 will be successful.

    C.A ping to 10.0.15.2 will be successful.

    D.RtrA has three interfaces participating in the RIP process.


    参考答案：A, C

  • 第14题：

    What is true regarding subqueries?（）

    • A、The inner query always sorts the results of the outer query
    • B、The outer query always sorts the results of the inner query
    • C、The outer query must return a value to the outer query
    • D、The inner query returns a value to the outer query
    • E、The inner query must always return a value or the outer query will give an error

    正确答案:D

  • 第15题：

    Which three security concerns can be addressed by a tunnel mode IPsec VPN secured by ESP?（） (Choose three.)

    • A、data integrity
    • B、data confidentiality
    • C、data authentication
    • D、outer IP header confidentiality
    • E、outer IP header authentication

    正确答案:A,B,C

  • 第16题：

    Which statement is true regarding the Network Time Protocol (NTP) on Junos devices?（）

    • A、MD5 authentication is supported by the Junos OS
    • B、Server mode is not supported by the Junos OS
    • C、The Junos OS can provide a primary time reference
    • D、The Junos OS does not support the use of a boot server

    正确答案:A

  • 第17题：

    Which statemetn is true regarding the Network Time Protocol (NTP) on Junos devices?（）

    • A、MD5 authenticaton is supported by the Junos OS
    • B、Server mode is not supported by the Junos OS
    • C、The Junos OS can provide a primarytime reference
    • D、The Junos OS does not support the use of a boot server

    正确答案:A

  • 第18题：

    Which three statements are true regarding the use of the Database Migration Assistant for Unicode(DMU)?（）

    • A、A DBA can check specific tables with the DMU
    • B、The database to be migrated must be opened read-only.
    • C、The release of the database to be converted can be any release since 9.2.0.8.
    • D、The DMU can report columns that are too long in the converted characterset.
    • E、The DMU can report columns that are not represented in the converted characterset.

    正确答案:A,D,E

  • 第19题：

    What is true regarding subqueries?（）

    • A、The inner query always sorts the results of the outer query.
    • B、The outer query always sorts the results of the inner query.
    • C、The outer query must return a value to the inner query.
    • D、The inner query returns a value to the outer query.
    • E、The inner query must always return a value or the outer query will give an error.

    正确答案:D

  • 第20题：

    多选题
    Which two statements are true regarding the execution of the correlated subqueries？（）
    A

    The nested query executes after the outer query returns the row.

    B

    The nested query executes first and then the outer query executes.

    C

    The outer query executes only once for the result returned by the inner query.

    D

    Each row returned by the outer query is evaluated for the results returned by the inner query.


    正确答案： A,D
    解析： 暂无解析

  • 第21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： B,A
    解析： 暂无解析

  • 第22题：

    单选题
    What is true regarding subqueries?（）
    A

    The inner query always sorts the results of the outer query

    B

    The outer query always sorts the results of the inner query

    C

    The outer query must return a value to the outer query

    D

    The inner query returns a value to the outer query

    E

    The inner query must always return a value or the outer query will give an error


    正确答案： B
    解析： 暂无解析

  • 第23题：

    多选题
    Which statements are true regarding system-partitioned tables？（）
    A

    Only a single partitioning key column can be specified.

    B

    All DML statements must use partition-extended syntax.

    C

    The same physical attributes must be specified for each partition.

    D

    Unique local indexes cannot be created on a system-partitioned table.

    E

    Traditional partition pruning and partitionwise joins are not supported on these tables.


    正确答案： E,A
    解析： 暂无解析

  • 第24题：

    多选题
    Which three are true about the large pool for an Oracle database instance that supports shared serverconnections?（）
    A

    Allocates memory for RMAN backup and restore operations

    B

    Allocates memory for shared and private SQL areas

    C

    Contains a cursor area for storing runtime information about cursors

    D

    Contains stack space

    E

    Contains a hash area performing hash joins of tables


    正确答案： E,C
    解析： 暂无解析

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