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This video teaches how to use the 7 types of Joins when you use Merge in Power Query. Many easy to understand examples.
This full free Microsoft 365 Excel & Power BI class is taught by Excel MVP and Highline College Professor and can be found here: https://www.youtube.com/playlist?list=PLrRPvpgDmw0nre_bTeBfJWjrnixKoyNtW
This video covers.
1. (00:00) Introduction and video topics
2. (00:19) Defined the 7 types of Merge Joins in Power Query
3. (02:48) Accessing Merge Join in Excel, Power BI Desktop or Dataflows
4. (03:02) Files for Power BI example
5. (03:17) MUST use Queries NOT Excel Tables
6. (04:02) Left-Outer Join to lookup a product price
7. (05:23) Left-Outer Join to do a two-value lookup
8. (06:21) Table.NestedJoin M Code Function
9. (07:13) Left-Outer Join to use one lookup value to return multiple matches
10. (09:13) Join-Aggregate feature for Let-Outer Join
11. (10:10) Why you don’t use Join-Aggregate feature
12. (12:17) Right-Outer Join to join supplier and product tables
13. (13:38) Left-Anti Join to return items in left table that are NOT in right table
14. (15:22) Right-Anti Join to return items in right table that are NOT in left table
15. (16:34) Inner-Join as an AND Logical Test to return items in both tables
16. (17:25) Full-Outer as an OR Logical Test to return all records in both tables
17. (18:56) Self-Join to lookup employee name who referring new employee
18. (20:22) Bonus! Practice problems in New Workbook File!!!
19. (20:36) Bonus! Worksheet Formulas for all joins seen in video
20. (21:04) Video Summary and Conclusions
21. (21:29) Closing and Video Links
Song in video: Rock Intro 3 by Audionautix is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/by/4.0/ . Artist: http://audionautix.com/
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