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MCD-LEVEL-1 · Question #77
MCD-LEVEL-1 Question #77: Real Exam Question with Answer & Explanation
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Question
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?
Options
- ASet the watermark column to the bgin_date_time column
- BSet the target value to the last retrieved login_date_time value
- CSet the target value to the last retrieved user_jd value
- DSet the watermark column to the user_Id column
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