Design a data warehouse schema for a retail company. Include fact tabl

Question

Design a data warehouse schema for a retail company. Include fact tables, dimension tables, and consider the star schema and snowflake schema designs. Justify your design choices and discuss how your schema supports efficient query processing and business intelligence needs.

25 Jul 2024

Answer :

Word Count : 544

Designing a data warehouse schema for a retail company involves creating a structure that supports efficient data retrieval, reporting, and analysis. In this design, we’ll consider both the star schema and snowflake schema, focusing on their components and the rationale behind their use.

### Star Schema Design

1. Fact Table:
- Sales Fact Table:
- Primary Key: Sales_ID
- Foreign Keys: Date_ID, Product_ID, Store_ID, Customer_ID
- Measures: Total_Sales, Quantity_Sold, Discount_Applied, Profit_Margin

The fact table records transactional data and numerical measures like total sales and quantity sold. Each record is associated with multiple dimension tables through foreign keys.

2. Dimension Tables:

- _________ ___ ____ __________ ___ ____ __________.
__________ _______ __________ ______ _____ _________ _____ __________.
__________ _____ ____ _________ __________ ____ ________ ____ __________.
_____ __________ _________ ______ ________ __________ ____ _____ _______ _____ _________ _________.
_____ _______ ________ ___ ______.
_______ ___ ______ _________ ______ __________.
______ ___ ________ ______ _____ ___ _______ __________.
_________ _______ ___ ________ _________ ___ _______ ______ _________.
__________ ____ _________ ________ ____ _____.
_____ ____ _______ ________ ____ ________ _________ ____.
______ ____ _____ _________ _________ _____ ______ _______ _______ _________.
__________ _______ _____ ___ __________ _____ ____.
__________ ______ __________ _________ _________.
_____ ___ ______ ______ ____ __________ ___ _______ ____ ________ ________.
_____ __________ __________ __________ _____.
_______ ______ ______ ______ ______ __________ _________ _________ _______ _____ _________.
_______ _____ ____ ___ ____ _________ ____.
______ _____ __________ _____ __________ _______.
______ ___ _______ _____ ________ ___ __________ __________.
_________ __________ ______ ______ ______ __________ ________ ________.
________ ______ _________ _________ ___ ___ _______ ______ _________.
____ __________ ___ _________ _________.
____ _______ _________ ______ _____ ____ __________ ______.
______ __________ __________ __________ ___ ____ _____ _______ ______.
__________ ____ _________ _____ ________.
_______ ______ ___ ____ ________ __________ ______ _________ __________ _______ ___.
_____ ________ _____ ___ ______ _______ _________ _______.
__________ ___ ___ ________ _____ ____ ____ _________ ______ _____ _______ ______.
___ ___ ____ ______ ____ ______ _________.
____ ______ ________ _____ ______ _______ ________ ___ __________ _______ _______ __________.
_______ ______ __________ ___ _____ ______ ______ ___ ___.
________ _________ ______ _____ ____ _________ ______ ___.
__________ _________ _____ ______ ____ ________ ___ _____ _________ _____ ______ _________.
________ ________ _________ ____ __________ ________.
__________ _____ _________ ________ ______ _______ _________ ________ ________ _____ _____.
___ ________ _________ __________ ______ _____ _______ ______.
_______ ___ _________ _______ _________ ___ ____ __________ ___ __________ ______.
__________ ____ ______ ___ ________ ________ _______ ___.
________ _______ ___ __________ ____ ___ _________ ___ _________ __________ ___.
__________ __________ _______ ____ ___ _____ ___.
_________ __________ ___ __________ ______ ________ _________ ______ __________ ______ ______.
_________ ____ _______ ______ _________ _____.
_______ __________ ___ _____ ________.
______ ________ _______ ___ _____ ___ _____.
__________ ________ __________ ____ ________ ________ ______ _________.
______ ________ ______ _________ ____ _______ ___ ___ _______ ________.
_______ _______ ______ __________ _______ _________ _____.
_____ __________ _________ __________ ____ ______ ________ _________ ____ ______ _____.
___ _______ ________ __________ _______ ______ __________ ___ ________.
__________ _____ ________ ______ _______ _________ _________ ______.
_______ ________ _________ __________ ______ __________ ______.
__________ ________ ______ _____ _________ _________ _____ __________ _______ ________ ___ ___.
__________ ________.
Get Full Answer on WhatsApp

IGNOU Solved Assignments Assignments Ignou Projects Project Previous Year Solved Exam Papers Notes Notes Sample Question Papers Sample Question Papers

IGNOU NEWS

Assignment Submission Last Date Extended Till 30 June 2026 Click Here★★★IGNOU June 2026 TEE Date Sheet Released Click Here★★★