Components of the unload job

Before you can unload data, you must first define the following components of the unload job:
  • The device array that receives the unloaded data.
  • The format that describes the organization of the data file into which you are unloading data.
  • The query that extracts the records that you want from the database.
  • The unload map that describes the relationship between the columns of a database table and the fields of the data-file record.

    The map also specifies any necessary data translations, such as case conversion and justification.

You can define these components in the following ways:
  • Define each component from the Unload Job window.
  • Define each component individually from the Components menu.
  • Use the Generate Job option from the Components menu.
  • Use the Generate button in the Unload Job window.

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