Unloading data from Redshift to file(s) on S3

Procedure

Double-click tRedshiftUnload to open its Basic settings view on the Component tab.
Fill the Host, Port, Database, Schema, Username, and Password fields with their corresponding context variables.
Fill the Access Key, Secret Key, and Bucket fields also with their corresponding context variables.
In the Table Name field, enter the name of the table from which the data will be read. In this example, it is person.
Click the [...] button next to Edit schema and in the pop-up window define the schema by adding two columns: ID of Integer type and Name of String type.
In the Query field, enter the following SQL statement based on which the result will be unloaded.
```
"SELECT * FROM person"
```
In the Key prefix field, enter the name prefix for the unload files. In this example, it is person_unload_.

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