In this section We will explore the features of the Data Catalog metadata. With this feature you can use Denodo Data Catalog to add
categories to views, as well as update the view and field descriptions.
In our example we are going to: (1) add descriptions to the client fields, to allow more specific discovery of this view, (2) add tags and categories
and (3) apply them to our
A useful feature of the Data Catalog is the ability to display view metadata, such as the View Description, as well as the Field Descriptions. Let's see how to modufy that information.
Administration > Synchronize with VDP Server.
Please note that you can synchronize the Virtual DataPort server metadata changes in Data Catalog but the Tags & Categories created in Data Catalog cannot be synchronized with the Virtual DataPort Server.
Tags & Categories are useful to allow users to search with more accuracy through the Data Catalog. While the amount of Data Sources and Views is small in our tutorial, it will pay off over the long term to maintain good Categorization and Tagging habits to allow users to navigate the Data Catalog more easily.
Administration > Catalog Management > Categories.
We now have a useful set of categories to link to our Views.
Administration > Catalog Management > Tags.
+icon and create a new Tag with the following details:
We now have a useful set of tags to link to our Views.
Clientview and click
Add morenext to the
CRMand then click
Add Morenext to
Tags, and select
Customer > CRMcategory and have tagged it with the
Returning to the Search page, when we search the Data Catalog and include the Tags and Categories elements, they will be included as part of the search results.
Let us test this by searching for
The results include the tag
#JDBC! And if we click on the tag, we will be taken to all the views that are tagged
We have now seen how the effective use of the Descriptions, Categories and Tags can enable powerful data exploration.
In this tutorial we have only had a limited number of Views, Data Sources, Tags and Categories, but it is clear that through the use of the Data Catalog, business users will be able to explore the companies data and easily and quickly, with minimal overhead on the IT team!