LESSON 10240 | MERGING TABLES IN POWER QUERY: ALL YOU NEED TO KNOW | Complete Power Query Course

Опубликовано: 15 Май 2025
на канале: I'mmalytics

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Chapters
00:00 How to merge tables in Power Query
00:20 Importance of merging for Power Query, Power BI, SQL, Python, and R
01:30 Unique identifiers
02:00 The logic behind separating sales and customer data
03:50 Need to combine data to gain full customer context
04:50 Transactional (fact) vs. reference (dimension) table concepts
06:00 Uniqueness of records in the reference table
08:40 Matching IDs to ensure correct data combination
09:20 Conceptual foundation of table relationships
10:30 Difference between merging tables vs. linking via relationships
13:30 Quick intro to “Fact Table” vs. “Dimension Table”
17:30 Understanding product keys (product IDs)
19:30 Demonstration of merging in Power Query UI
21:00 Summary of merge mechanics and visual confirmation

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