Select (query) statements can used on views in the same way as tables. The following tutorial exercise helps you creating a view and running a query statement on the view:

SQL> CREATE VIEW managed_dept AS

SELECT * FROM departments WHERE manager_id IS NOT NULL;

View created.

SQL> SELECT * FROM managed_dept WHERE location_id = 1700;

DEPARTMENT_ID DEPARTMENT_NAME MANAGER_ID LOCATION_ID

------------- -------------------- ---------- -----------

   10 Administration   200  1700

   30 Purchasing   114  1700

   90 Executive    100  1700

  100 Finance    108  1700

  110 Accounting   205  1700