Hierarchy Modelling - Many to Many relationships

Hi Sachy123 ,

The bridging table approach is considered the best practice when relating two dimensions. 
Many-to-many relationship guidance

You can rebuild the metadata of the table in PQ to create a snowflake model:

Continent(1)(Continent_ID) --> (*)Country(1)(Country_ID) --> (*)State(1)(State_ID) -->(*)City 

Understand star schema and the importance for Power BI

Parsing Organizational Hierarchy or Chart of Accounts in Power BI with Parent-child Functions in DAX

Best Regards,
Gao
Community Support Team

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