A grocery shop is using the following tables in their relational database:

TABLE Product 
  name VARCHAR
  categoryId INTEGER REFERENCES ProductCategory(id)

TABLE ProductCategory 
  name VARCHAR

TABLE ProductSale
  productId INTEGER REFERENCES Product(id)
  price DECIMAL
  date DATE

The company has decided to implement a data warehouse since their analytic queries have started causing issues by consuming most database resources.

As a first step, the company wants to create a star schema of the previous tables. Which tables should be present in the star schema?

(Select all acceptable answers.)

ProductSalesFact(productId, categoryName, date, price)
ProductSalesFact(productId, dateId, price)
ProductDimension(productId, productName, categoryName)
ProductDimension(productId, productName, dateId)
TimeDimension(dateId, month, quarter, year, date)
ProductCategoryDimension(categoryId, categoryName)
ProductSalesFact(productId, date, price)
ProductDimension(productId, categoryId, productName)
TimeDimension(dateId, productId, month, quarter, year, date)

Data Warehouse Star Schema New Public


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