Wawa learned that their food spoilage rate was much higher than they had previously predicted. Without data analysis Wawa would not have done anything about their food spoilage rate and would have continued to […]

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In week six I learned how to use data cubes. I learned how to aggregate data and make it easier to view and manipulate through the use of a data cube. I learned how to use pivot tables in excel as a practical data cube.

In week 6 I learned how dimensional modeling can be used and modeled to make information more accessible to business managers. We learned how to analyze a data cube and how to set up a schema that represents a data cube.

This week I learned additional SQL commands that allow us to insert data into the database. I also learned how to delete and update data in a database.

I learned how to use SQL to get useful information out of a large database. using SQL helps us to organize business data into a usable format.

It does not make business sense to only cater to the people spending money on the casino floor while there are other people spending thousands on other attractions at the hotel. It makes more sense to pay […]

1 Whales- The biggest spenders on the floor of the casino. These players always received the best comps in order to keep them coming back again. Information Systems kept track of these customers they kept track of […]

A multi-valued attribute is when two or more values are contained in the same column of a table. This is not preferred because it makes it harder to run queries against this data. Data cannot be separated as […]

One of the things I learned in week three is how complex and Entity Relationship Diagram can be. I also learned to take that complexity and break it down into an ERD that the untrained eye can easily understand. […]

I learned ho to diagram a system using ERD’s. These are useful tools in designing a system and figuring out exactly what the requirement of a system are.