CREATE CURSOR subschet1 (kod I, El I, Am I, rem I)
INSERT INTO subschet1 (kod, El, Am, rem) ;
               VALUES (   1 ,   1 ,   2 ,    3 )
INSERT INTO subschet1 (kod, El, Am, rem) ;
               VALUES (   5 ,   2 ,   5 ,   15 )
INSERT INTO subschet1 (kod, El, Am, rem) ;
               VALUES (   1 ,  45 ,  52 ,   63 )
INSERT INTO subschet1 (kod, El, Am, rem) ;
               VALUES (   2 ,  24 ,  78 ,   65 )
INSERT INTO subschet1 (kod, El, Am, rem) ;
               VALUES (   2 ,  61 ,  28 ,   34 )
BROWSE  && До
UPDATE subschet1 SET El = 99 , Am= 99  ,rem= 99  where subschet1.kod =  1 
SELECT subschet1
BROWSE  && После