Database Reader
Description
The Database Reader is used to read data from a hierarchy of database tables.
Purpose of object
The Database Reader provides the read in data as messages. These messages reflect the structure of the read in data.
Creation
To create a Database Reader channel follow the steps described in the general description of Channels.
Configuration
The following explains properties in database reader dialog.
Database: Choose an appropriate environment entry.
Message type: Choose an appropriate message type.
Properties: To define the interface parameters of the channel. Variables that are delivered from or to the channel.
Additional (where ...): SQL statement can be inserted here.
Foreign-key definition: For subordinate data can be inserted here.
See also
You also may use the channels Database Source Reader, Database BLOB Reader, Database Target and Database Outbound Channel to access database resources.