Which of the following is not Unary operation?


Options: Select B. Project C. Rename D. Union

Ans:– D ,


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Options: determine the total amount of drug that had been given to all 1000 rats keep records of weight changes of the 1000 rats,    keep records of the dosages and the dates the drug was given to each rat,    determine the total dosage that had been given to each rat,    keep records of weight changes of the 1000 rates

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Swapping
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Data mining applications are used accomplish which of the following tasks?
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Ans:Correct Answer: d ,Correct Answer: d

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