A Database On Table Row listener retrieves data from a CUSTOMER table that contains a primary key userjd column and an increasing kxjin_date_time column. Neither column allows duplicate values.
How should the listener be configured so it retrieves each row at most one time?
A . Set the watermark column to the bgin_date_time column
B . Set the target value to the last retrieved login_date_time value
C . Set the target value to the last retrieved user_jd value
D . Set the watermark column to the user_Id column
Answer: A