Querying stretch databases

When you query a stretch database, the SQL Server Database Engine runs the query against the local or remote database depending on data location. This is completely transparent to the database user. When you run a query that returns both local and remote data, you can see the Remote Query operator in the execution plan. The following query returns all rows from the stretch T1 table:

USE Mila; 
SELECT * FROM dbo.T1; 

As expected, it returns five rows:

id          c1                   c2
----------- -------------------- -----------------------
2           Manchester United    2018-02-02 00:00:00.000
4           Juventus Torino      2018-02-25 00:00:00.000
5           Red Star Belgrade    2018-02-25 00:00:00.000
1           Benfica Lisbon       2018-01-15 00:00:00.000
3           Rapid Vienna         2018-01-28 00:00:00.000

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