Tagging columns automatically with semantic types - 7.3

Talend Data Catalog Getting Started Guide

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Talend Data Catalog
Data Governance
Categorize the metadata in the anonymized_orders database table using semantic types, data profiling and sampling.

Before you begin

You have been assigned an Editor security role.


  1. In the search bar, type in anonymized_orders table.
  2. Click anonymized_orders to access its details page and open the Columns tab.
  3. On the toolbar, click Columns and select Grid as the display mode.
  4. Drag and drop the Semantic Types column from Available columns to Selected columns to display it in the Grid view.
    Talend Data Catalog has already proposed tags.
  5. Before approving the proposed semantic types for email_address, click the column name to open its details page and see statistics and other information about this data.
    The data profile information displays in the Overview tab.
  6. Go back to the anonymized_orders table page and click the Data Sample tab to preview the sample data.
  7. Go back to the Columns tab and click the tick icon to approve the Email semantic types for email_address.


You are ready to implement a glossary to document the enterprise vocabulary.