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Hi experts,
I would like to know, what is the best data model that we can do if we have various data sources.
For example, currently i have 3 Excel where all three have no unique values. What i did was i merge and append them together in one table.
But i find it's not the best solution because somehow the table is heavy so the performance is quite slow.
Should i create the unique ID and try to relate them by ID or how ya? And should i create the dimension table as well?
I'm so confused right now.. HELPPPPP!
Your help is much appreciated.
Thanks,
Nurul
@nurulizzaty , Merge or append is dependent on what data is, and what we want to achieve.
We can work with common dimensions
Can you share sample data and sample output in table format? Or a sample pbix after removing sensitive data.
Power BI- DAX: When I asked you to create common tables: https://youtu.be/a2CrqCA9geM
https://medium.com/@amitchandak/power-bi-when-i-asked-you-to-create-common-tables-a-quick-dax-soluti...
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