Difference between revisions of "HowTo:Import Data from an External System"

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===Preparation===
===Preparation===
Using process described in the first step of [[HowTo:Create_a_Simple_Application]], use the Application Builder to create a Movie Reviews application. It should have the following objects and fields:
Using process described in the first step of [[HowTo:Create_a_Simple_Application]], use the Application Builder to create an application called '''Movie Reviews'''. It should have the following objects and fields:


:* Movies
:* Movies

Revision as of 01:47, 17 May 2012

For:   Designers
Level: Beginner
Time:  20 minutes

See more:
    ◾ HowTo Guides

If you have data in an external system, you can generally export it as a plain text file, with one record per line, where values in each line are separated by values. That kind of file is known as comma-separated value (Template:CSV) file. Using such files, you can import data into your application objects.

In this guide, you'll create a few items of data in a spreadsheet, and use that. But the data could come from any system that is capable of exporting CSV data.

Preparation

Using process described in the first step of HowTo:Create_a_Simple_Application, use the Application Builder to create an application called Movie Reviews. It should have the following objects and fields:

  • Movies
    • Title (Text Field)
    • Theater Release (Date)
    • DVD Release (Date)
  • Reviews
    • Rating (Number)
      (This will be a value in the range 1..5. Edit the field after the application is created to specify the range.)
    • Reason (Text Area)
  • Reviewers
    • Name (Text Field)

And the following relationships:

  • One Movie can have many Reviews.
  • One Reviewer can have many Reviews.
Learn more: Use the Application Wizard to Create an Application.

Create a Spreadsheet with Sample Data

  1. Create Customer data
  2. Create Order data
  3. Create Order Item data

Export the Data as CSV Files

  1. Export Customer data
  2. Export Order data
  3. Export Order Item data

Import the Data

The process here is to start at the top of the lookup chain, so that the Lookups in the incoming record all resolve to an actual record. (It isn't strictly necessary to do things in that order, but it's good form.)

Coming soon...