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

SELECT dbms_random.normal()::numeric(10, 8);
   normal    
-------------
 -2.88076095
(1 row)

SELECT dbms_random.normal()::numeric(10, 8);
   normal   
------------
 1.07890275
(1 row)

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

SELECT dbms_random.random();
 random 
--------
 -32638
(1 row)

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

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

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

SELECT dbms_random.string('x',4);
 string 
--------
 V3W9
(1 row)

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

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

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

SELECT dbms_random.value()::numeric(10, 8);
   value    
------------
 0.00164795
(1 row)

SELECT dbms_random.value(10,15)::numeric(10, 8);
    value    
-------------
 14.37820435
(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    
-------------
 13.73062134
(1 row)

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

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

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

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

SELECT dbms_random.string('x', 10);
   string   
------------
 J85H7G1H2E
(1 row)

SELECT dbms_random.string('p', 10);
   string   
------------
 FHkm:uKzx?
(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   
------------
 ZQMJCOVPXT
(1 row)

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