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DataCamp

Introduction to Data Modeling in Snowflake

via DataCamp

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Overview

Step right into the dynamic world of data modeling with Snowflake!

Step right into the dynamic world of data modeling with Snowflake! You will master the core principles while applying the theory in hands-on experience, turning data jungles into insightful gardens.
You’ll uncover the secrets of data normalization and explore techniques like entity-relationship, dimensional modeling, and data vault to craft efficient cloud data warehouses.
Snowflake’s architecture reveals its massive parallel processing power and optimization capabilities as you progress. Transition from a learner to a strategic asset, ready to make data-driven decisions. Your data modeling adventure awaits!

Syllabus

  • Fundamentals of Data Modeling
    • Embark on a foundational exploration of data modeling with Snowflake and uncover the art of organizing data efficiently. Start with the basics of data modeling concepts, understand its significance in a data-driven world, and learn how to represent and store data effectively. By visualizing data organization on a vast scale, you'll grasp the importance of a well-structured data model in simplifying data querying and analysis.
  • Data Relationships and Normalization
    • Unlock the secrets of effective data organization and management, focusing on the critical roles of keys in data relationships and the fundamental principles of data normalization within Snowflake. Delve into the foundational aspects of relational data, emphasizing the importance of primary and foreign keys in structuring and linking data entities. Embark on a journey through the normalization process, starting with 1NF to eliminate duplicate data, advancing to 2NF to address partial dependencies, and culminating in 3NF to remove transitive dependencies.
  • Data Modeling Techniques for Data Warehouse
    • Venture deeper into data warehousing strategies with Snowflake, exploring three pivotal data modeling approaches: Entity–Relationship Model, Dimensional Modeling, and Data Vault. Begin by mapping complex relationships within a university system using the Entity–Relationship model, which is perfect for visualizing data interactions. Transition into Dimensional Modeling to simplify data analysis through fact and dimension tables, ideal for insightful reporting. Then, delve into Data Vault modeling for a robust framework that excels in historical data tracking and flexibility.
  • Snowflake Components
    • Unlock the potential of Snowflake's architecture to optimize query performance, enhancing the speed and efficiency of your data models. Explore the advantages of columnar storage, Massively Parallel Processing (MPP), and micro-partitions in Snowflake, contrasting them with traditional databases for a clear understanding of Snowflake's superior performance. Delve into Snowflake's data objects—virtual warehouses, tables, views, and more—to smartly organize your data. Master techniques such as query optimization, the use of subqueries, and Common Table Expressions (CTEs) to streamline data processing.

Taught by

Margarita Torres

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