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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?
Correct Answer: A
Recent Comments (The most recent comments are at the top.)
Saravanan Devadass - Feb 24, 2022
Option A is correct answer as it sets the watermark column to the bgin_date_time column :
> Why not set the watermark column to the user_Id column?
Comment: user_id column must be auto incremented in nature with no duplicity for watermark column.
Recent Comments (The most recent comments are at the top.)
Option A is correct answer as it sets the watermark column to the bgin_date_time column :
> Why not set the watermark column to the user_Id column?
Comment: user_id column must be auto incremented in nature with no duplicity for watermark column.
C es cla correcta