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Question 31/72
Your customer's security team needs to understand how the Oracle Loader for Hadoop Connector writes data to the Oracle database.
Which service performs the actual writing?
Which service performs the actual writing?
Correct Answer: B
Explanation/Reference:
Oracle Loader for Hadoop has online and offline load options. In the online load option, the data is both preprocessed and loaded into the database as part of the Oracle Loader for Hadoop job. Each reduce task makes a connection to Oracle Database, loading into the database in parallel. The database has to be available during the execution of Oracle Loader for Hadoop.
References: http://www.oracle.com/technetwork/bdc/hadoop-loader/connectors-hdfs-wp-1674035.pdf
Oracle Loader for Hadoop has online and offline load options. In the online load option, the data is both preprocessed and loaded into the database as part of the Oracle Loader for Hadoop job. Each reduce task makes a connection to Oracle Database, loading into the database in parallel. The database has to be available during the execution of Oracle Loader for Hadoop.
References: http://www.oracle.com/technetwork/bdc/hadoop-loader/connectors-hdfs-wp-1674035.pdf
- Question List (72q)
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- Question 29: Your customer is worried that the redundancy of HDFS will no...
- Question 30: During a meeting with your customer's IT security team, you ...
- Question 31: Your customer's security team needs to understand how the Or...
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- Question 44: For Oracle R Advanced Analytics for Hadoop to access the dat...
- Question 45: How is Oracle Loader for Hadoop (OLH) better than Apache Sqo...
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- Question 49: What are two reasons that a MapReduce job is not run when th...
- Question 50: Your customer has three XML files in HDFS with the following...
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