Job Objective
Scan a directory for one or more flat files and then do high speed loading of the data into to a database table.
If the database table is populated, use the Update operator for the load operation.
For strategies on using this method, see Batch Directory Scan and "DataConnector Operator" in Teradata® Parallel Transporter Reference, B035-2436.
Data Flow Diagram
The following figure shows a flow diagram of the elements in Job Example 8.
Job Example PTS00014 – Batch Directory Scan
Sample Script
For the sample script that corresponds to this job, see the following script in the sample/userguide directory:
PTS00014: Batch Directory Scan
Rationale
This job uses:
- DDL operator because it can DROP/CREATE staging tables and target tables prior to loading and DROP unneeded tables at the conclusion of the job.
- DataConnector operator because it is the only producer operator that reads data from external flat files.
- Load operator because it is the consumer operator that offers the best performance for high-speed writing of a large number of rows into an empty database table.