86 lines
2.2 KiB
MySQL
86 lines
2.2 KiB
MySQL
|
-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
|
||
|
|
-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
|
||
|
|
|
||
|
|
DROP TABLE test_objects;
|
||
|
|
DROP TABLE test_objects10;
|
||
|
|
DROP TABLE test_objects100;
|
||
|
|
DROP TABLE test_users;
|
||
|
|
DROP TABLE indexed_objects;
|
||
|
|
DROP TABLE dummy1;
|
||
|
|
DROP TABLE dummy2;
|
||
|
|
DROP TABLE indexed_source;
|
||
|
|
|
||
|
|
CREATE TABLE test_objects AS SELECT * FROM dba_objects;
|
||
|
|
CREATE TABLE test_objects10 AS SELECT * FROM test_objects WHERE rownum <= 10;
|
||
|
|
CREATE TABLE test_objects100 AS SELECT * FROM test_objects WHERE rownum <= 100;
|
||
|
|
CREATE TABLE test_users AS SELECT * FROM all_users;
|
||
|
|
|
||
|
|
CREATE TABLE indexed_objects AS SELECT * FROM dba_objects;
|
||
|
|
CREATE UNIQUE INDEX pk_obj_id ON indexed_objects (object_id);
|
||
|
|
CREATE INDEX idx_owner_name ON indexed_objects(owner,object_name);
|
||
|
|
|
||
|
|
CREATE TABLE dummy1 AS SELECT 1 a, 'one' b FROM dual;
|
||
|
|
CREATE TABLE dummy2 AS SELECT 1 a, 'one' b FROM dual;
|
||
|
|
|
||
|
|
CREATE TABLE indexed_source AS SELECT * FROM dba_source;
|
||
|
|
CREATE INDEX idx1_indexed_source ON indexed_source (owner,name,line);
|
||
|
|
|
||
|
|
|
||
|
|
EXEC DBMS_STATS.SET_PARAM('METHOD_OPT', 'FOR ALL COLUMNS SIZE REPEAT');
|
||
|
|
|
||
|
|
--EXEC DBMS_STATS.GATHER_SCHEMA_STATS('AST');
|
||
|
|
EXEC DBMS_STATS.GATHER_SCHEMA_STATS(user);
|
||
|
|
|
||
|
|
-- deterministic PL/SQL functions can utilize PL/SQL function result caching
|
||
|
|
CREATE OR REPLACE FUNCTION my_multiply(a IN NUMBER, b IN NUMBER) RETURN NUMBER AS
|
||
|
|
BEGIN
|
||
|
|
DBMS_OUTPUT.PUT_LINE('x');
|
||
|
|
RETURN a * b;
|
||
|
|
END;
|
||
|
|
/
|
||
|
|
|
||
|
|
CREATE OR REPLACE FUNCTION my_multiply_d (a IN NUMBER, b IN NUMBER) RETURN NUMBER
|
||
|
|
DETERMINISTIC
|
||
|
|
AS
|
||
|
|
BEGIN
|
||
|
|
RETURN a * b;
|
||
|
|
END;
|
||
|
|
/
|
||
|
|
|
||
|
|
CREATE OR REPLACE FUNCTION my_sqrt (a IN NUMBER) RETURN NUMBER
|
||
|
|
AS
|
||
|
|
BEGIN
|
||
|
|
RETURN SQRT(a);
|
||
|
|
END;
|
||
|
|
/
|
||
|
|
|
||
|
|
-- select max(my_sqrt(mod(rownum,100))) from dual connect by level<=100000;
|
||
|
|
CREATE OR REPLACE FUNCTION my_sqrt_d (a IN NUMBER) RETURN NUMBER
|
||
|
|
DETERMINISTIC
|
||
|
|
AS
|
||
|
|
BEGIN
|
||
|
|
RETURN SQRT(a);
|
||
|
|
END;
|
||
|
|
/
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
-- additional stuff in scott and other standard demo schemas
|
||
|
|
|
||
|
|
create or replace view scott.high_pay_depts as
|
||
|
|
select
|
||
|
|
*
|
||
|
|
from
|
||
|
|
scott.dept d
|
||
|
|
where
|
||
|
|
exists (select 1
|
||
|
|
from
|
||
|
|
scott.emp e
|
||
|
|
where
|
||
|
|
e.deptno = d.deptno
|
||
|
|
and e.sal > 4500
|
||
|
|
)
|
||
|
|
/
|
||
|
|
|