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{"id":1279,"date":"2019-06-02T16:39:27","date_gmt":"2019-06-02T23:39:27","guid":{"rendered":"https:\/\/bonbonsguide.com\/wp\/?p=1279"},"modified":"2019-06-02T16:39:27","modified_gmt":"2019-06-02T23:39:27","slug":"msptda-28-build-power-query-bridge-table-in-power-bi-power-pivot-for-many-to-many-relationship","status":"publish","type":"post","link":"https:\/\/bonbonsguide.com\/wp\/blog\/2019\/06\/msptda-28-build-power-query-bridge-table-in-power-bi-power-pivot-for-many-to-many-relationship\/","title":{"rendered":"MSPTDA 28: Build Power Query Bridge Table in Power BI & Power Pivot for Many To Many Relationship"},"content":{"rendered":"Download files for videos: http:\/\/bit.ly\/2KhPz9Z
\nClass web site with individual file downloads: http:\/\/bit.ly\/2GF25Ni
\npdf notes for Video: http:\/\/bit.ly\/2KicfXm<\/p>\n
In this video learn about how to create a Bridge Table for a Many-To-Many Relationship using Power Query in either Power BI or Excel Power Pivot. Learn three methods for a Bridge Table: B-Directional Filetrs, CROSSFILTER DAX Function or a Table Filter.
\nTopics:
\n1. (00:23) Introduction & look at Data Modeling Problem
\n2. (01:00) Fundamental Problem with a Many-To-Many Relationship
\n3. (02:05) What is a Many-To-Many Relationship?
\n4. (03:25) Start to create Reports and discover the Problem with a Many-To-Many Relationship.
\n5. (04:52) Build Bridge Table using Excel Power Query
\n6. (07:32) First look at underlying filtering for a Many-To-Many Relationships
\n7. (08:36) Three Options with a Bridge Table.
\n8. (09:02) Build Bridge Table using Power BI Desktop Power Query
\n9. (10:25) Bi-Directional Filter
\n10. (10:53) Visual Animation to illustrate how Many-To-Many Relationship works with a Bridge Table.
\n11. (11:39) Ambiguity in Model with Bi-Directional Filters.
\n12. (12:19) CROSSFILTER DAX Function example
\n13. (13:41) Table Filter Example
\n14. (14:05) Expanded Diagram to \u201csee\u201d how Table Filter works with a Bridge Table and a Many-To-Many Relationships
\n15. (15:08) Difference between Grand Total Cell formulas for CROSSFILTER and Table Filter
\n16. (16:10) Cross Tab Report
\n17. (16:53) Conclusion
\nComprehensive Microsoft Power Tools for Data Analysis Class, BI 348, taught by Mike Girvin, Excel MVP and Highline College Professor.<\/p>\n