-- Tests for package DBMS_RANDOM
SELECT dbms_random.initialize(8);
 initialize 
------------
 
(1 row)

SELECT dbms_random.normal()::numeric(10, 8);
   normal    
-------------
 -0.37787769
(1 row)

SELECT dbms_random.normal()::numeric(10, 8);
   normal   
------------
 0.80499804
(1 row)

SELECT dbms_random.seed(8);
 seed 
------
 
(1 row)

SELECT dbms_random.random();
   random   
------------
 -632387854
(1 row)

SELECT dbms_random.seed('test');
 seed 
------
 
(1 row)

SELECT dbms_random.string('U',5);
 string 
--------
 XEJGE
(1 row)

SELECT dbms_random.string('P',2);
 string 
--------
 Y9
(1 row)

SELECT dbms_random.string('x',4);
 string 
--------
 FVGL
(1 row)

SELECT dbms_random.string('a',2);
 string 
--------
 AZ
(1 row)

SELECT dbms_random.string('l',3);
 string 
--------
 hmo
(1 row)

SELECT dbms_random.seed(5);
 seed 
------
 
(1 row)

SELECT dbms_random.value()::numeric(10, 8);
   value    
------------
 0.27474560
(1 row)

SELECT dbms_random.value(10,15)::numeric(10, 8);
    value    
-------------
 10.23233882
(1 row)

SELECT dbms_random.value(10,10)::numeric(10, 8);
    value    
-------------
 10.00000000
(1 row)

SELECT dbms_random.value(15,10)::numeric(10, 8);
    value    
-------------
 10.40015223
(1 row)

SELECT dbms_random.seed(5);
 seed 
------
 
(1 row)

SELECT dbms_random.string('u', 10);
   string   
------------
 HBZCDCHLMX
(1 row)

SELECT dbms_random.string('l', 10);
   string   
------------
 ahzfkgjhkg
(1 row)

SELECT dbms_random.string('a', 10);
   string   
------------
 pxxodQYutY
(1 row)

SELECT dbms_random.string('x', 10);
   string   
------------
 HN0GQ5J0M1
(1 row)

SELECT dbms_random.string('p', 10);
   string   
------------
 VEhX"|=i1&
(1 row)

SELECT dbms_random.string('uu', 10); -- error
ERROR:  this first parameter value is more than 1 characters long
SELECT dbms_random.string('w', 10);
   string   
------------
 MIAXPCTOMD
(1 row)

-- although it is useless, and deprecated on Oracle
-- it should be last command
SELECT dbms_random.terminate();
 terminate 
-----------
 
(1 row)