Microsoft DP-203 Data Engineering on Microsoft Azure 05 31Oct2024 - Practice Quiz

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Question 1 of 30

In a data modeling scenario for a retail company, the data engineer is tasked with designing a star schema to optimize query performance for sales analysis. The schema includes a fact table for sales transactions and several dimension tables for products, customers, and time. Given the requirement to minimize redundancy and ensure efficient data retrieval, which of the following practices should be prioritized in the design of the star schema?

Ensuring that dimension tables are denormalized to reduce the number of joins during query execution

Implementing a snowflake schema to normalize dimension tables for better data integrity

Using surrogate keys in the fact table to maintain relationships with dimension tables

Creating multiple fact tables to capture different types of sales transactions separately

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