create materialized view : Create View « View « Oracle PL / SQL

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Oracle PL / SQL » View » Create View 
create materialized view
   

SQL>
SQL>
SQL> CREATE TABLE employees
  2  employee_id          number(10)      not null,
  3    last_name            varchar2(50)      not null,
  4    email                varchar2(30),
  5    hire_date            date,
  6    job_id               varchar2(30),
  7    department_id        number(10),
  8    salary               number(6),
  9    manager_id           number(6)
 10  );

Table created.

SQL>
SQL>
SQL> insert into employeesemployee_id, last_name, email, hire_date, job_id, salary,department_id ,manager_id)
  2                values 1001'Lawson', 'lawson@g.com', '01-JAN-2002','MGR', 30000,,1004);

row created.

SQL>
SQL> insert into employeesemployee_id, last_name, email, hire_date, job_id, salary, department_id ,manager_id)
  2                values 1002'Wells', 'wells@g.com', '01-JAN-2002', 'DBA', 20000,21005 );

row created.

SQL>
SQL> insert into employeesemployee_id, last_name, email, hire_date, job_id, salary, department_id ,manager_id)
  2                 values1003'Bliss', 'bliss@g.com', '01-JAN-2002', 'PROG', 24000,,1004);

row created.

SQL>
SQL> insert into employeesemployee_id, last_name, email, hire_date, job_id, salary, department_id, manager_id)
  2                 values1004,  'Kyte', 'tkyte@a.com', SYSDATE-3650'MGR',25000 ,41005);

row created.

SQL>
SQL> insert into employeesemployee_id, last_name, email, hire_date, job_id, salary, department_id, manager_id)
  2                 values1005'Viper', 'sdillon@a .com', SYSDATE, 'PROG', 2000011006);

row created.

SQL>
SQL> insert into employeesemployee_id, last_name, email, hire_date, job_id, salary, department_id,manager_id)
  2                 values1006'Beck', 'clbeck@g.com', SYSDATE, 'PROG', 200002null);

row created.

SQL>
SQL> insert into employeesemployee_id, last_name, email, hire_date, job_id, salary, department_id, manager_id)
  2                 values1007'Java', 'java01@g.com', SYSDATE, 'PROG', 2000031006);

row created.

SQL>
SQL> insert into employeesemployee_id, last_name, email, hire_date, job_id, salary, department_id, manager_id)
  2                 values1008'Oracle', 'wvelasq@g.com', SYSDATE, 'DBA', 2000041006);

row created.

SQL>
SQL>
SQL>
SQL>  set timing off
SQL>
SQL>  create materialized view my_orders_mv
  2      build immediate
  3    refresh on commit
  4     enable query rewrite
  5    as
  6      select employee_id,
  7             count(*total_orders
  8        from employees
  9       group by employee_id
 10    /
      from employees
           *
ERROR at line 8:
ORA-00439: feature not enabled: Materialized view rewrite


SQL>
SQL>  set timing on
SQL>  select from my_orders_mv;
 select from my_orders_mv
               *
ERROR at line 1:
ORA-00942: table or view does not exist


Elapsed: 00:00:00.07
SQL>  set timing off
SQL> drop table employees;

Table dropped.

SQL>
SQL>

   
    
  
Related examples in the same category
1.Create or replace a view
2.Create view without indiating the column name
3.Create OR REPLACE VIEW from selected columns in a table
4.Create a simple view
5.create force view
6.Create a view with check option
7.Create view by join three tables
8.Create view on single field of a type
9.Using view to simplify the query
10.User view and object id
11.Use view based on user-defind type
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