Job Objective
This Teradata Parallel Transporter sample script loads five rows from a database table to flat file in Hadoop.
Data Flow Diagram
The following figure shows a diagram of the elements for Job Example 17.
Job Example PTS00031 – Extract Rows and Write Them to a Hadoop File
Sample Script
For the sample script that corresponds to this job, see the following script in the sample/userguide directory:
PTS00031: Extract Rows and Write Them to a Hadoop File
Rationale
This job uses the operators shown for the following reasons:
- Export operator because it is the fastest way to extract large amounts of data from a database table.
- DataConnector operator along with the HDFS Interface because it is the only producer operator that writes data to Hadoop HDFS.