Shortcuts are objects in OneLake that point to other storage locations. The location can be internal or external to OneLake. 

How to access the shortcut

Python:

df= spark.read.format("delta").load("Tables/MyShortcut")

display(df)

df= spark.sql("SELECT * FROM MyLakehouse.MyShortcut LIMIT 1000")

display(df)

SELECT TOP (100) * from  [MyLakehouse].[dbo].[MyShortcut]

Demo:

Create a new Lakehouse ShortcutLakehouse

Create a Shortcut

Choose the source

Select warehouse

Select a table

Run the query

Move back to Lakehouse view and create New Shortcut again

Select another Lakehouse as source

Select another table Products

So shortcut help us to create a new lakehouse from a different sources and logically group together without being copy the actual data or without any ETL process. You can do further modelling and generates reports on the new shortcuts