多选题In which two scenarios do you use SQL* Loader to load data?（）ATransform the data while it is being loaded into the database.BUse transparent parallel processing without having to split the external data first.CLoad data into multiple tables during the

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

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.

第3题：

Which two client requests are captured during database replay Capture?（） (Choose two)

• A、Flashback queries
• B、Shared server requests
• C、Login and logoff activities of sessions
• D、Direct path load of data from external files by using utilities such as SQL *loader
• E、Data definition language (DDL) and data manipulation language (DML) operations

第4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

第5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.

第6题：

In which two cases would you use an outer join? （）

• A、The tables being joined have NOT NULL columns.
• B、The tables being joined have only matched data.
• C、The columns being joined have NULL values.
• D、The tables being joined have only unmatched data.
• E、The tables being joined have both matched and unmatched data.
• F、Only when the tables have a primary key/foreign key relationship.

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第13题：

In which two scenarios do you use SQL* Loader to load data?（）

• A、Transform the data while it is being loaded into the database.
• B、Use transparent parallel processing without having to split the external data first.
• C、Load data into multiple tables during the same load statement.
• D、Generate unique sequential key values in specified columns.

第14题：

Which two client requests are captured during database replay Capture？（）

• A、 Flashback queries
• B、 Shared server requests
• C、 Login and logoff activities of sessions
• D、 Direct path load of data from external files by using utilities such as SQL *loader
• E、 Data definition language （DDL） and data manipulation language （DML） operations

第15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

第16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

第17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.

第18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

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