74 lines
1.8 KiB
MySQL
74 lines
1.8 KiB
MySQL
CREATE TABLE test_objects AS SELECT * FROM dba_objects;
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CREATE TABLE test_objects10 AS SELECT * FROM test_objects WHERE rownum <= 10;
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CREATE TABLE test_objects100 AS SELECT * FROM test_objects WHERE rownum <= 100;
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CREATE TABLE test_users AS SELECT * FROM all_users;
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CREATE TABLE indexed_objects AS SELECT * FROM dba_objects;
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CREATE UNIQUE INDEX pk_obj_id ON indexed_objects (object_id);
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CREATE INDEX idx_owner_name ON indexed_objects(owner,object_name);
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CREATE TABLE dummy1 AS SELECT 1 a, 'one' b FROM dual;
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CREATE TABLE dummy2 AS SELECT 1 a, 'one' b FROM dual;
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CREATE TABLE indexed_source AS SELECT * FROM dba_source;
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CREATE INDEX idx1_indexed_source ON indexed_source (owner,name,line);
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EXEC DBMS_STATS.SET_PARAM('METHOD_OPT', 'FOR ALL COLUMNS SIZE REPEAT');
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--EXEC DBMS_STATS.GATHER_SCHEMA_STATS('AST');
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EXEC DBMS_STATS.GATHER_SCHEMA_STATS(user);
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-- deterministic PL/SQL functions can utilize PL/SQL function result caching
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CREATE OR REPLACE FUNCTION my_multiply(a IN NUMBER, b IN NUMBER) RETURN NUMBER AS
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BEGIN
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DBMS_OUTPUT.PUT_LINE('x');
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RETURN a * b;
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END;
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/
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CREATE OR REPLACE FUNCTION my_multiply_d (a IN NUMBER, b IN NUMBER) RETURN NUMBER
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DETERMINISTIC
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AS
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BEGIN
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RETURN a * b;
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END;
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/
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CREATE OR REPLACE FUNCTION my_sqrt (a IN NUMBER) RETURN NUMBER
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AS
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BEGIN
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RETURN SQRT(a);
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END;
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/
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-- select max(my_sqrt(mod(rownum,100))) from dual connect by level<=100000;
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CREATE OR REPLACE FUNCTION my_sqrt_d (a IN NUMBER) RETURN NUMBER
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DETERMINISTIC
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AS
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BEGIN
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RETURN SQRT(a);
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END;
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/
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-- additional stuff in scott and other standard demo schemas
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create or replace view scott.high_pay_depts as
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select
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*
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from
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scott.dept d
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where
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exists (select 1
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from
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scott.emp e
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where
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e.deptno = d.deptno
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and e.sal > 4500
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)
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/
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