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Get started with schemas schemas

What is a schema schema-start

A schema is a representation of a table of your database. It is an object within the application that defines how the data are tied to database tables.

By creating a schema, you can define a representation of your table in Experience Platform Federated Audience Composition:

  • Give it a friendly name and description to simplify the comprehension for the user
  • Decide the visibility of each field, according to their real use
  • Select its primary key, in order to link schemas between them, as needed in the data model
CAUTION
When connecting multiple sandboxes with same database, you must use distinct working schemas.

Create a schema schema-create

To create schemas in Federated Audience Composition, follow the steps below:

  1. In FEDERATED DATA section, go in the Models link. Browse to the Schema tab and click on the Create schema button.

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    This step lets you access to a new screen with a drop-down list where you can find the database(s) connected to your environment. Learn more about database connection in this section.

  2. Select your source database in the list, and click on the Add tables tab.

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    You can then see the list of all the tables in the database.

  3. By adding the tables, for which you want to create the schema, you have access to their fields as below:

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    For each table, you can:

    • change the label of the schema
    • add a description
    • rename all the fields, and set their visibility
    • select the schema primary key

    For example, for the following table imported:

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    The schema can be defined like this:

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Edit a schema schema-edit

To edit a schema, follow these steps:

  1. Click on the name of your schema in the list.

  2. Click on Edit button.

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    You can access the same options as when creating a schema.

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Preview data in a schema schema-preview

To preview the data in the table represented by your schema, browse to the Data tab as below.

Click on the Calculate link to preview the total number of recordings.

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Click on the Configure columns button to change the data display.

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Refresh a schema schema-refresh

Tables in a federated database can be updated, added or removed. In such cases, you must refresh the schema in ÃÛ¶¹ÊÓƵ Experience Platform to align with the latest changes. To perform this, click the three dots next to the name of the schema to update and select Refresh schema.

You can also update the schema definition when editing it.

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Delete a schema schema-delete

To delete a schema, click on More button, then choose Delete.

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