Data Warehousing for Beginners Core Concepts Made Simple

What you'll learn
Understand why Data Warehouses exist and what business problems they solve
Learn the difference between transactional databases and analytical systems
Understand core Data Warehousing concepts such as facts, dimensions, and grain
Learn how business events are modeled using star and snowflake schemas
Understand how data moves from source systems into a Data Warehouse using ETL or ELT
Requirements
No prior Data Warehousing experience is required.
Basic familiarity with databases or data concepts is helpful, but not mandatory.
Description
This course contains the use of artificial intelligence.Data Warehousing is one of those topics that many people hear about, but few truly understand at a conceptual level.This course is designed to give you a clear, simple, and practical introduction to Data Warehousing — without overwhelming theory or tool-specific complexity.Instead of focusing on a specific technology or vendor, the course explains how to think about Data Warehousing, why it exists, and how data moves from transactional systems into analytical structures that support business decisions.You will start by understanding the limitations of transactional databases and why analytical systems are needed as organizations grow. From there, you will explore how raw transactional data looks, how a single business event is spread across multiple tables, and how this data is transformed and modeled inside a Data Warehouse.Core concepts such as facts, dimensions, grain, star schema, and snowflake schema are explained step by step using clear examples and visual illustrations. You will also learn how data reaches the Data Warehouse through ETL or ELT processes, why transformations are necessary, and how incremental loading works in practice.The course also introduces how business users access Data Warehouse data through reporting and BI tools, including a practical example using Excel and pivot tables.To keep the content focused and easy to follow, the course is delivered using animated explanations and concise audio narration. The total video length is intentionally short, allowing you to understand the fundamentals of Data Warehousing in a clear and efficient way.This course is ideal if you are new to Data Warehousing, if you work with data and want a stronger conceptual foundation, or if you want to understand how analytical systems are designed before moving on to more advanced or technical implementations.
Who this course is for
Beginners who want to understand Data Warehousing concepts clearly and simply
Developers or analysts who work with data and want a solid conceptual foundation
Professionals who need to understand how transactional data is transformed into analytical models
Homepage

https://www.udemy.com/course/data-warehousing-for-beginners-core-concepts-made-simple/

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