7 Questions
Explain the decision made by the management of Grand Hyatt hotel regarding the collection of transaction data from its branches.
The management decided to build a data warehouse to collect the data of all the transactions from all branches in order to make the data meaningful and usable for decision making in business purposes.
What types of data will be loaded into the data warehouse for analysis?
Data of rooms, guests, branches, roles, and booking will be loaded into the data warehouse for analysis.
How many rooms were booked in the Muscat branch in the year 2021?
The data warehouse will provide the answer to this question based on the collected data.
How many guests visited the Dubai branch in December 2021?
The data warehouse will provide the answer to this question based on the collected data.
Explain the process and considerations involved in designing the dimensional model for GlobalMart's retail analytics data warehouse.
The process of designing the dimensional model for a retail analytics data warehouse involves identifying the key business processes and entities, such as sales, customer behavior, and inventory. Considerations include selecting appropriate dimensions and facts, determining hierarchies, and ensuring the model aligns with the business requirements and can efficiently support queries and reporting.
What are the steps and challenges in retrieving the total sales amount and quantity for the 'Electronics' category in the 'New York' store in the second quarter of 2022 from the data warehouse?
The steps involve identifying the appropriate dimensional tables, such as time, product, and store, and creating the necessary joins to retrieve the required data. Challenges may include dealing with large volumes of data, ensuring data accuracy, and optimizing query performance for complex aggregations across multiple dimensions.
Discuss the approach and potential issues in finding the average feedback rating for customer interactions in each region in the last month from the data warehouse.
The approach includes identifying the necessary dimensions, such as time and region, and the feedback rating fact table. Potential issues may include handling missing or inconsistent feedback data, ensuring data quality, and performing efficient calculations for the average feedback rating across different regions.
Learn about the process of building a data warehouse for collecting transaction data from multiple branches of the Grand Hyatt hotel. Understand how data from rooms, guests, branches, roles, and bookings can be consolidated and utilized for business decision-making.
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