CREATE TABLE 1
INSERT 1
INSERT 1
INSERT 1
 a b     
-- ------
10 hi    
20 there 
30 <NULL>
SELECT 3
UPDATE 1
 a b     
-- ------
10 hi    
20 THERE 
30 <NULL>
SELECT 3
UPDATE 3
     a b     
------ ------
<NULL> THERE 
<NULL> hi    
<NULL> <NULL>
SELECT 3
DROP TABLE 1
