4. Example. WHERE.sql

SELECT *
FROM Customer cus
WHERE FirstName LIKE 'Maria';
GO

/** Output **/
Id          FirstName                                LastName                                 City                                     Country                                  Phone
----------- ---------------------------------------- ---------------------------------------- ---------------------------------------- ---------------------------------------- --------------------
1           Maria                                    Anders                                   Berlin                                   Germany                                  030-0074321
24          Maria                                    Larsson                                  Bräcke