1. Summarize how data were altered and filtered in creating the Cape Cod data extraction. 2. Explain, in general terms, the relationships among the RETAIL_ORDER, ORDER_ ITEM, and SKU_DATA tables. What...

1. Summarize how data were altered and filtered in creating the Cape Cod data extraction.

2. Explain, in general terms, the relationships among the RETAIL_ORDER, ORDER_ ITEM, and SKU_DATA tables. What is the relationship of these tables to the CATALOG_SKU_2014 and CATALOG_SKU_2015 tables?

3. Summarize the background of SQL.