Identify how to query a three-layer namespace

To query a three-layer namespace in Databricks Unity Catalog, you'll need to reference the catalog, schema, and table names in your SQL query. A three-layer namespace typically involves the following structure:

Catalog: The highest level in the namespace hierarchy.
Schema: A container within a catalog that holds tables and views.
Table: The actual data object you want to query.

Here's an example of how to query a three-layer namespace:

Example SQL Query

SELECT * FROM .. WHERE