使用sql语句进行恢复数据库使用下列（）命令。A、load data from tableB、load data from databaseC、load data from fileD、load data infile

第1题：

SQ L*Loader is a utility that can perform which two tasks？（）

• A、Load data from a disk， tape， or named pipes.
• B、Load data into an Oracle database using DML statements.
• C、Extract， reorganize， and insert data within an Oracle database.
• D、Load data from external files into tables in an Oracle database.
• E、Load data into an Oracle database using operating system commands.
• F、Load data directly from a non-Oracle database to an Oracle database.

第2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

第3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4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5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6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7题：

Which of the following choices correctly describes the difference between a data load via the conventional path and the direct path?（）

• A、One runs faster than the other
• B、A conventional path data load bypasses most of the Oracle RDBMS, whereas a direct path load is a high-speed version of the SQL INSERT
• C、A direct path data load bypasses most of the Oracle RDBMS, whereas a conventional path load is a high-speed version of the SQL INSERT
• D、The conventional path runs when the CONVENTIONAL command-line parameter is set to TRUE

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第12题：

(难度：中等)在hive中，load data语句只支持加载hdfs文件

答案:(no)

第13题：

interface Data { public void load（）； }  abstract class Info { public abstract void load（）； }  Which class correctly uses the Data interface and Info class？（） 

• A、 public class Employee extends Info implements Data { public void load（） { /*do something*/ } }
• B、 public class Employee implements Info extends Data { public void load（） { /*do something*/ } }
• C、 public class Employee extends Info implements Data { public void load（） { /*do something */ } public void Info.load（） { /*do something*/ } }
• D、 public class Employee implements Info extends Data { public void Data.load（） { /*dsomething */ } public void load（） { /*do something */ } }
• E、 public class Employee implements Info extends Data { public void load（） { /*do something */ } public void Info.load（）{ /*do something*/ } }
• F、 public class Employee extends Info implements Data{ public void Data.load（） { /*do something*/ } public void Info.load（） { /*do something*/ } }

第14题：

现有：  interface Data {public void load（）；}  abstract class Info {public abstract void load（）；}      下列类定义中正确使用Data和Info的是哪项？（） 

• A、 public class Employee implements Info extends Data { public void load（）{／*dosomething*／}     }
• B、public class Employee extends Inf.implements Data{ public void load（） {／*do something*／}     }
• C、public class Empl.yee implements Inf extends Data{ public void Data.1oad（）{* do something*／}     public void load（）{／*do something*／}     }
• D、public class Employee extends Inf implements Data  {  public void Data.1oad（）  {／*do something*／）     public void info.1oad（）{/*do something*/}    }

第15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16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17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18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19题：

Which parameter allows SQL*Loader to load data into a table with the indexes in the unusable state， prior to the load operation？（）

• A、INDEXES
• B、SKIP_INDEXES_MAINTENANCE
• C、SKIP_UNUSABLE_INDEXES
• D、RESUMABLE
• E、INDEXES_UNUSABLE

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