41 lines
1.7 KiB
SQL
41 lines
1.7 KiB
SQL
-- +----------------------------------------------------------------------------+
|
|
-- | Jeffrey M. Hunter |
|
|
-- | jhunter@idevelopment.info |
|
|
-- | www.idevelopment.info |
|
|
-- |----------------------------------------------------------------------------|
|
|
-- | Copyright (c) 1998-2012 Jeffrey M. Hunter. All rights reserved. |
|
|
-- |----------------------------------------------------------------------------|
|
|
-- | DATABASE : Oracle |
|
|
-- | FILE : example_create_materialized_view.sql |
|
|
-- | CLASS : Examples |
|
|
-- | PURPOSE : Example SQL script that demonstrates how to create several |
|
|
-- | materialized views. |
|
|
-- | NOTE : As with any code, ensure to test this script in a development |
|
|
-- | environment before attempting to run it in production. |
|
|
-- +----------------------------------------------------------------------------+
|
|
|
|
CREATE MATERIALIZED VIEW flight_fact_mv
|
|
BUILD IMMEDIATE
|
|
REFRESH COMPLETE ON COMMIT
|
|
ENABLE QUERY REWRITE
|
|
AS
|
|
SELECT
|
|
plane_id PLANE_ID
|
|
, sum(sale_amount) SUM_SALE_AMOUNT
|
|
FROM scott.flight_fact
|
|
GROUP BY plane_id
|
|
/
|
|
|
|
|
|
CREATE MATERIALIZED VIEW monthly_salary_mv
|
|
BUILD IMMEDIATE
|
|
REFRESH COMPLETE ON COMMIT
|
|
ENABLE QUERY REWRITE
|
|
AS
|
|
SELECT
|
|
b.name DEPT_NAME
|
|
, a.monthly_salary AVG_MONTHLY_SALARY
|
|
FROM emp a, dept b
|
|
/
|
|
|