I need help with a Computer Science question. All explanations and answers will be used to help me learn.
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1. How are missing values depicted?
2. Describe: Blending and Cleansing
3. What did the Join operator do to the Transaction and Product Details tables?
4. What was the basis for joining the two tables?
5. How can you change the order of the data in a column?
6. The Aggregate operator performs what type of relational database function?
