CREATE TABLE "TESTING"."A"
  (    "A" VARCHAR2(10),
       "B" VARCHAR2(20),
       "C" VARCHAR2(10)
  ) 

1,"sample,test",10
2,"sample>test,testing",20

load 
infile 'load.dat'
into table a 
fields terminated by ',' optionally enclosed by " " 
(a,b,c)

Select * from a;
A          B                    C
---------- -------------------- ----------
1          "sample              test"
2          "sample>test         testing"

fields terminated by ',' optionally enclosed by '"'