多选题You plan to move data from a flat file to a table in your database. You decide to use SQL*Loader direct pathload method to perform this task. The table in which you plan to load data is an important table having variousintegrity constraints defined on 

题目
多选题
You plan to move data from a flat file to a table in your database. You decide to use SQL*Loader direct pathload method to perform this task. The table in which you plan to load data is an important table having variousintegrity constraints defined on it.  Which constraints will remain enabled by default during this operation()
A

CHECK

B

UNIQUE

C

NOT NULL

D

PRIMARY KEY

E

FOREIGN KEY


相似考题
参考答案和解析
正确答案: C,D
解析: 暂无解析
更多“多选题You plan to move data from a flat file to a table in your database. You decide to use SQL*Loader direct pathload method to perform this task. The table in which you plan to load data is an important table having variousintegrity constraints defined on ”相关问题
  • 第1题:

    You have a large amount of historical data in a flat file. Some analysts in your organization need toquery this data in the file. The file is too large to load the data in it into your current database.  Which is the most effective method to access this data in your database()

    • A、Use the database link.
    • B、Use the SQL*Loader utility.
    • C、Use the Oracle Data Pump utility.
    • D、Create an external table and leave the data in the flat file

    正确答案:D

  • 第2题:

    You are using flat files as the data source for one of your data warehousing applications. To optimizethe application performance, you plan to move the data from the flat files toclustered tablesin an Oracle database.  While migrating the data, you want to have minimal impact on the database performance and optimize thedata load operation. Which method would you use to load data into the Oracle database()

    • A、Use the external table population.
    • B、Use the Oracle Data Pump export and import utility.
    • C、Use the conventional path data load of the SQL*Loader utility.
    • D、Use the INSERT INTO...SELECT command to load the data.

    正确答案:C

  • 第3题:

    You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables. While migrating the data, you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database?()

    • A、use the external table population
    • B、use the Oracle Data Pump export and import utility
    • C、use the conventional path data load of SQL*Loader utility
    • D、use the direct path data load of Oracle export and import utility

    正确答案:C

  • 第4题:

    Which two statements are true regarding the usage of the SQL*Loader utility()

    • A、You can load data into multiple tables during the same load session.
    • B、You can load data from multiple files to a table during the same load session.
    • C、You cannot perform selective data loading based on the values available in the records.
    • D、You can use an export file generated by the EXPDP utility as an input data file to load the data.
    • E、You can load data only if the input file is available on the disk and tape but not in a named pipes.

    正确答案:A,B

  • 第5题:

    You want to access employee details contained in flat files as part of the EMPLOYEE table. You plan to add anew column to the EMPLOYEE table to achieve this.  Which data type would you use for the new column()

    • A、CLOB
    • B、BLOB
    • C、BFILE
    • D、LONG RAW

    正确答案:C

  • 第6题:

    ou have a large amount of historical data in a flat file. Some analysts in your organization need to query thisdata in the file. The file is too large to load the data in it into your current database.  Which is the most effectivemethod to access this data in your database()

    • A、Use the database link.
    • B、Use the SQL*Loader utility.
    • C、Use the Oracle Data Pump utility.
    • D、Create an external table and leave the data in the flat file

    正确答案:D

  • 第7题:

    You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a n On-Line Analytical Processing (OLAP) database named in the instance. The database contains a dimension table named Clients. Ever hour backup of data of the Clients table is performed. But the Clinets table contains redundant data. You must keep the disk space used to store the Clients table.  In the options below, which compression technology should you use?()

    • A、You should use row compression 
    • B、You should use page compression 
    • C、You should use backup compression 
    • D、You should use windows NTFS file system compression

    正确答案:B

  • 第8题:

    单选题
    You are using flat files as the data source for one of your data warehousing applications. To optimizethe application performance, you plan to move the data from the flat files toclustered tablesin an Oracle database.  While migrating the data, you want to have minimal impact on the database performance and optimize thedata load operation. Which method would you use to load data into the Oracle database()
    A

    Use the external table population.

    B

    Use the Oracle Data Pump export and import utility.

    C

    Use the conventional path data load of the SQL*Loader utility.

    D

    Use the INSERT INTO...SELECT command to load the data.


    正确答案: C
    解析: 暂无解析

  • 第9题:

    多选题
    On your Oracle 12c database, you invoked SQL *Loader to load data into the EMPLOYEES table in the HR schema by issuing the following command: $> sqlldr hr/hr@pdb table=employees Which two statements are true regarding the command?()
    A

    It succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in the database.

    B

    It fails because no SQL *Loader data file location is specified.

    C

    It fails if the HR user does not have the CREATE ANY DIRECTORY privilege.

    D

    It fails because no SQL *Loader control file location is specified.


    正确答案: C,B
    解析: 暂无解析

  • 第10题:

    单选题
    You are performing flashback of the ORDERS table in the Scott’s schema because some important data is deleted in the table by mistake. The SCN number was 771513 at the time of deletion. You issued the following statement to perform Flashback Table:  SQL> FLASHBACK TABLE ORDERS TO SCN 771513;   What is the prerequisite to perform Flashback Table?()
    A

     You must configure OMF in your database.

    B

     You must enable block change tracking feature in your database.

    C

     You must enable ROW MOVEMENT feature on the ORDERS table.

    D

     You must use the Flashback Version Query before using the Flashback Table feature.


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables.  While migrating the data, you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database?()
    A

    use the external table population

    B

    use the Oracle Data Pump export and import utility

    C

    use the conventional path data load of SQL*Loader utility

    D

    use the direct path data load of Oracle export and import utility


    正确答案: A
    解析: 暂无解析

  • 第12题:

    多选题
    From SQL*Plus, you issue this SELECT statement: SELECT* FROM order; You use this statement to retrieve data from a data table for ().
    A

    Updating

    B

    Viewing

    C

    Deleting

    D

    Inserting

    E

    Truncating


    正确答案: C,D
    解析: 暂无解析

  • 第13题:

    On your Oracle 12c database, you invoked SQL *Loader to load data into the EMPLOYEES table in the HR schema by issuing the following command: $> sqlldr hr/hr@pdb table=employees Which two statements are true regarding the command?()

    • A、It succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in the database.
    • B、It fails because no SQL *Loader data file location is specified.
    • C、It fails if the HR user does not have the CREATE ANY DIRECTORY privilege.
    • D、It fails because no SQL *Loader control file location is specified.

    正确答案:A,C

  • 第14题:

    You plan to move data from a flat file to a table in your database. You decide to use SQL*Loader direct pathload method to perform this task. The table in which you plan to load data is an important table having variousintegrity constraints defined on it.  Which constraints will remain enabled by default during this operation()

    • A、CHECK
    • B、UNIQUE
    • C、NOT NULL
    • D、PRIMARY KEY
    • E、FOREIGN KEY

    正确答案:B,C,D

  • 第15题:

    You plan to move data from a flat file to a table in your database. You decide to use SQL*Loader directpath load method to perform this task. The table in which you plan to load data is an important tablehaving various integrity constraints defined on it.  Which constraints will remain enabled by default during this operation()

    • A、CHECK
    • B、UNIQUE
    • C、NOT NULL
    • D、PRIMARY KEY
    • E、FOREIGN KEY

    正确答案:B,C,D

  • 第16题:

    You have a large amount of historical data in an operating system file. Some analysts in your organization need to query this data. The file is too large to load into your current database. Which is the most effective method to accomplish the task?()

    • A、Upgrade the hardware/memory to accommodate the data.
    • B、Load the data into your database by using the PARALLEL clause.
    • C、Give analysts DBA privilege, so that they can query DBA_EXTERNAL_TABLES.
    • D、Use an external table so you can have the metadata available in your database, but leave the data in the operating system files.

    正确答案:D

  • 第17题:

    Flashback Database is enabled in your Oracle 10g database. One of your database users erroneously purged an important table residing in his schema. The table was purged sometime between 10:00 P.M. and 10:30 P.M. The next day, you decide to flash back the database. Before you flash back the database, you want to ensure that you have all the necessary flashback data. Which dynamic performance view must you use to determine whether you have the required flashback data to recover the purged table?()

    • A、 V$DATABASE
    • B、 V$UNDOSTAT
    • C、 V$FLASHBACK_DATABASE_LOG
    • D、 V$FLASHBACK_DATABASE_STAT

    正确答案:C

  • 第18题:

    You are performing flashback of the ORDERS table in the Scott’s schema because some important data is deleted in the table by mistake. The SCN number was 771513 at the time of deletion. You issued the following statement to perform Flashback Table:  SQL> FLASHBACK TABLE ORDERS TO SCN 771513;   What is the prerequisite to perform Flashback Table?()

    • A、 You must configure OMF in your database.
    • B、 You must enable block change tracking feature in your database.
    • C、 You must enable ROW MOVEMENT feature on the ORDERS table.
    • D、 You must use the Flashback Version Query before using the Flashback Table feature.

    正确答案:C

  • 第19题:

    单选题
    ou have a large amount of historical data in a flat file. Some analysts in your organization need to query thisdata in the file. The file is too large to load the data in it into your current database.  Which is the most effectivemethod to access this data in your database()
    A

    Use the database link.

    B

    Use the SQL*Loader utility.

    C

    Use the Oracle Data Pump utility.

    D

    Create an external table and leave the data in the flat file


    正确答案: A
    解析: 暂无解析

  • 第20题:

    单选题
    You are using flat files as the data source for one of your data warehousing applications. To optimize the application performance, you plan to move the data from the flat files to clustered tables in an Oracle database.While migrating the data, you want to have minimal impact on the database performance and optimize the dataload operation.  Which method would you use to load data into the Oracle database()
    A

    Use the external table population.

    B

    Use the Oracle Data Pump export and import utility.

    C

    Use the conventional path data load of the SQL*Loader utility.

    D

    Use the INSERT INTO...SELECT command to load the data


    正确答案: B
    解析: 暂无解析

  • 第21题:

    多选题
    You plan to move data from a flat file to a table in your database. You decide to use SQL*Loader directpath load method to perform this task. The table in which you plan to load data is an important tablehaving various integrity constraints defined on it.  Which constraints will remain enabled by default during this operation()
    A

    CHECK

    B

    UNIQUE

    C

    NOT NULL

    D

    PRIMARY KEY

    E

    FOREIGN KEY


    正确答案: C,B
    解析: 暂无解析

  • 第22题:

    多选题
    On your Oracle 12c database, you invoked SQL *Loader to load data into the EMPLOYEES table in the HR schema by issuing the following command: $> sqlldr hr/hr@pdb table=employees Which two statements are true regarding the command?()
    A

    It succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in the database.

    B

    It fails because no SQL *Loader data file location is specified.

    C

    It fails if the HR user does not have the CREATE ANY DIRECTORY privilege.

    D

    It fails because no SQL *Loader control file location is specified.


    正确答案: D,B
    解析: 暂无解析

  • 第23题:

    单选题
    You have a large amount of historical data in a flat file. Some analysts in your organization need toquery this data in the file. The file is too large to load the data in it into your current database.  Which is the most effective method to access this data in your database()
    A

    Use the database link.

    B

    Use the SQL*Loader utility.

    C

    Use the Oracle Data Pump utility.

    D

    Create an external table and leave the data in the flat file


    正确答案: D
    解析: 暂无解析

  • 第24题:

    多选题
    You plan to move data from a flat file to a table in your database. You decide to use SQL*Loader direct pathload method to perform this task. The table in which you plan to load data is an important table having variousintegrity constraints defined on it.  Which constraints will remain enabled by default during this operation()
    A

    CHECK

    B

    UNIQUE

    C

    NOT NULL

    D

    PRIMARY KEY

    E

    FOREIGN KEY


    正确答案: B,C
    解析: 暂无解析