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Choose the correct option.
Type duplicates of a row in a table customer with non uniform key field customer number you can see
ADelete from costomer where customer number exists( select distinct customer number from customer having count )
BDelete customer a where customer number in b rowid
CDelete customer a where custermor number in( select customer number from customer a, customer b )
DNone of the above
Answer: Option (Login/Signup)
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