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In which three cases would you use the USING clause?()A.You want to create a nonequijoin.B.The tables to be joined have multiple NULL columns.C.The tables to be joined have columns of the same name and different data types.D.The tables to be joined have c

题目
In which three cases would you use the USING clause?()

A.You want to create a nonequijoin.

B.The tables to be joined have multiple NULL columns.

C.The tables to be joined have columns of the same name and different data types.

D.The tables to be joined have columns with the same name and compatible data types.

E.You want to use a NATURAL join, but you want to restrict the number of columns in the join condition.


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更多“In which three cases would you use the USING clause?() ”相关问题
  • 第1题:

    You want the size of the tablespace to increase when it is full. Which option would you use?()

    • A、use automatic extent allocation
    • B、disable threshold for the tablespace
    • C、use freelists to manage the free space
    • D、use automatic segment space management
    • E、create the tablespace as a bigfile tablespace
    • F、use the RESIZE clause while creating the tablespace
    • G、enable AUTOEXTEND for at least one of the data files in the tablespace

    正确答案:G

  • 第2题:

    You are planning the creation of a new multitenant container database (CDB) and want to store the ROOT and SEED container data files in separate directories. You plan to create the database using SQL statements. Which three techniques can you use to achieve this?()

    • A、Use Oracle Managed Files (OMF).
    • B、Specify the SEED FILE_NAME_CONVERT clause.
    • C、Specify the PDB_FILE_NAME_CONVERT initialization parameter.
    • D、Specify the DB_FILE_NAMECONVERT initialization parameter.
    • E、Specify all files in the CREATE DATABASE statement without using Oracle managed Files (OMF).

    正确答案:A,B,C

  • 第3题:

    When shrinking a table segment, you choose to shrink all the indexes for that table using the SHRINK SPACE command. Which clause should you use?()

    • A、 INCLUDING DEPENDENCIES
    • B、 INCLUDING DEPENDENCIES CASCADE
    • C、 COMPACT
    • D、 CASCADE
    • E、 None of the above

    正确答案:D

  • 第4题:

    Which clause should you use to exclude group results?()

    • A、WHERE
    • B、HAVING
    • C、RESTRICT
    • D、GROUP BY
    • E、ORDER BY

    正确答案:B

  • 第5题:

    单选题
    You work as a database administrator for Supportcenter.cn. You are using three database, SupportCenter DB01, SupportCenter DB02, and SupportCenter DB03, on different host machines in your development environment. The database server configuration, such as IP address and listener port number, change frequently due to development requirements, and you have the task of notifying the developers of the changes. Which connection method would you use to overcome this overhead?()
    A

    Host naming

    B

    Local naming

    C

    Easy Connect

    D

    External naming

    E

    directory naming


    正确答案: A
    解析: 暂无解析

  • 第6题:

    单选题
    View the Exhibit and examine the structure of the EMP table. You executed the following command to add a primary key to the EMP table:   ALTER TABLE emp   ADD CONSTRAINT emp_id_pk  PRIMARY KEY (emp_id)   USING INDEX emp_id_idx;   Which statement is true regarding the effect of the command?()
    A

     The PRIMARY KEY is created along with a new index.

    B

     The PRIMARY KEY is created and it would use an existing unique index.

    C

     The PRIMARY KEY would be created in a disabled state because it is using an existing index.

    D

     The statement produces an error because the USING clause is permitted only in the CREATE TABLE command.


    正确答案: D
    解析: 暂无解析

  • 第7题:

    单选题
    When shrinking a table segment, you choose to shrink all the indexes for that table using the SHRINK SPACE command. Which clause should you use?()
    A

     INCLUDING DEPENDENCIES

    B

     INCLUDING DEPENDENCIES CASCADE

    C

     COMPACT

    D

     CASCADE

    E

     None of the above


    正确答案: E
    解析: 暂无解析

  • 第8题:

    单选题
    Which clause should you use to exclude group results?()
    A

    WHERE

    B

    HAVING

    C

    RESTRICT

    D

    GROUP BY

    E

    ORDER BY


    正确答案: C
    解析: 暂无解析

  • 第9题:

    单选题
    You need to base a data block on the EMP table, but you do not want to give the users of the application access privileges on the table. Which type of data source would you use to create the data block?()
    A

    table 

    B

    transactional trigger 

    C

    stored procedure 

    D

    FROM clause query


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    Which clause would you use in a SELECT statement to limit the display to those employees whose salary is greater then 5000?()
    A

    ORDER BY SALARY > 5000

    B

    GROUP BY SALARY > 5000

    C

    HAVING SALARY > 5000

    D

    WHERE SALARY > 5000


    正确答案: A
    解析: 暂无解析

  • 第11题:

    多选题
    You are planning the creation of a new multitenant container database (CDB) and want to store the ROOT and SEED container data files in separate directories. You plan to create the database using SQL statements. Which three techniques can you use to achieve this?()
    A

    Use Oracle Managed Files (OMF).

    B

    Specify the SEED FILE_NAME_CONVERT clause.

    C

    Specify the PDB_FILE_NAME_CONVERT initialization parameter.

    D

    Specify the DB_FILE_NAMECONVERT initialization parameter.

    E

    Specify all files in the CREATE DATABASE statement without using Oracle managed Files (OMF).


    正确答案: C,D
    解析: 暂无解析

  • 第12题:

    单选题
    You are maintaining a database of credit card transactions. You want the data to be returned automatically in the chronological order of the credit card numbers without using the ORDER BY clause in the query. Which type of cluster will you use to obtain the desired result?()
    A

     Hash cluster

    B

     Index cluster

    C

     Sorted hash cluster

    D

     Real Application cluster


    正确答案: B
    解析: 暂无解析

  • 第13题:

    You want to create a WebLogic domain in a production environment. Which three actions should  you perform?()

    • A、Use a multinode WebLogic domain.
    • B、Use a single-node WebLogic domain. 
    • C、Use clusters.  
    • D、Refrain from using clusters.  
    • E、Install WeLogic in production mode with CA signed certificates.

    正确答案:A,C,E

  • 第14题:

    You are performing an incomplete recovery because some important tables have been dropped and purged from the Recycle Bin. Which clause can you NOT use to perform the incomplete recovery by using the RMAN utility?()

    • A、 UNTIL CANCEL
    • B、 UNTIL SCN
    • C、 UNTIL SEQUENCE
    • D、 UNTIL TIME

    正确答案:A

  • 第15题:

    You are maintaining a database of credit card transactions. You want the data to be returned automatically in the chronological order of the credit card numbers without using the ORDER BY clause in the query. Which type of cluster will you use to obtain the desired result?()  

    • A、 Hash cluster
    • B、 Index cluster
    • C、 Sorted hash cluster
    • D、 Real Application cluster

    正确答案:C

  • 第16题:

    You decided to increase the value for the SHARED_SERVERS parameter by using the following command:  SQL> ALTER SYSTEM SET SHARED_|SERVERS=3 SCOPE=?;  Which three values can be specified for the SCOPE clause?()

    • A、ALL
    • B、PFILE
    • C、BOTH
    • D、NONE
    • E、SPFILE
    • F、MEMORY
    • G、INSTANCE
    • H、DATABASE

    正确答案:C,E,F

  • 第17题:

    多选题
    You decided to increase the value for the SHARED_SERVERS parameter by using the following command:  SQL> ALTER SYSTEM SET SHARED_|SERVERS=3 SCOPE=?;  Which three values can be specified for the SCOPE clause?()
    A

    ALL

    B

    PFILE

    C

    BOTH

    D

    NONE

    E

    SPFILE

    F

    MEMORY

    G

    INSTANCE

    H

    DATABASE


    正确答案: C,E,F
    解析: 暂无解析

  • 第18题:

    单选题
    You want the size of the tablespace to increase when it is full. Which option would you use?()
    A

    use automatic extent allocation

    B

    disable threshold for the tablespace

    C

    use freelists to manage the free space

    D

    use automatic segment space management

    E

    create the tablespace as a bigfile tablespace

    F

    use the RESIZE clause while creating the tablespace

    G

    enable AUTOEXTEND for at least one of the data files in the tablespace


    正确答案: F
    解析: 暂无解析

  • 第19题:

    单选题
    View the Exhibit and examine the structure of the ORDERS and ORDERJTEMS tables.  Evaluate the following SQL statement:   SELECT oi.order_id, product_jd, order_date   FROM order_items oi JOIN orders o   USING (order_id);   Which statement is true regarding the execution of this SQL statement?()
    A

     The statement would not execute because table aliases are not allowed in the JOIN clause.

    B

     The statement would not execute because the table alias prefix is not used in the USING clause.

    C

     The statement would not execute because all the columns in the SELECT clause are not prefixed with table aliases.

    D

     The statement would not execute because the column part of the USING clause cannot have a qualifier in the SELECT list.


    正确答案: B
    解析: 暂无解析

  • 第20题:

    多选题
    Which two built-ins would you use to remove the HOUR_ALARM timer using the timer_id parameter?()
    A

    FIND_TIMER

    B

    CREATE_TIMER

    C

    SET_TIMER

    D

    DELETE_TIMER

    E

    GET_APPLICATION_PROPERTY


    正确答案: A,B
    解析: 暂无解析

  • 第21题:

    多选题
    In which three cases would you use the USING clause?()
    A

    You want to create a nonequijoin.

    B

    The tables to be joined have multiple NULL columns.

    C

    The tables to be joined have columns of the same name and different data types.

    D

    The tables to be joined have columns with the same name and compatible data types.

    E

    You want to use a NATURAL join, but you want to restrict the number of columns in the join condition.


    正确答案: C,D
    解析: 暂无解析

  • 第22题:

    单选题
    You are performing an incomplete recovery because some important tables have been dropped and purged from the Recycle Bin. Which clause can you NOT use to perform the incomplete recovery by using the RMAN utility?()
    A

     UNTIL CANCEL

    B

     UNTIL SCN

    C

     UNTIL SEQUENCE

    D

     UNTIL TIME


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    Which would you NOT use to report the amount of anchor chain out? Three shots().
    A

    at the water's edge

    B

    on deck

    C

    on the bottom

    D

    well in the water


    正确答案: A
    解析: 暂无解析

  • 第24题:

    单选题
    If you needed to transport traffic coming from multiple VLANs (connected between switches), and  your CTO was insistent on using an open standard,which protocol would you use?()
    A

    802.11B

    B

    spanning-tree

    C

    802.1Q

    D

    ISL

    E

    VTP

    F

    Q.921


    正确答案: E
    解析: 暂无解析