Forum Discussion
varunaggarwal30
8 years agoFrequent Visitor
External Mapping for data mashup
Hi, I am looking for a functionality in Power BI where I can externally map the multiple attributes to staging table attributes. There are multiple data sources with different structure and attri...
- Anonymous8 years ago
varunaggarwal30,
You can use DAX to create a new table, there is an example for your reference.NewTable = UNION(SELECTCOLUMNS(Stage,"col1",Stage[Column1],"col2",Stage[Column2],"col3",Stage[Column3]),SELECTCOLUMNS(sheet1,"col1",sheet1[Alias],"col2",sheet1[Column3],"col3",sheet1[id]),SELECTCOLUMNS(Report,"col1",Report[name],"col2",Report[Column10],"col3",Report[column1]))
Regards,
Lydia
Anonymous
8 years agoNot applicable
varunaggarwal30,
You can use DAX to create a new table, there is an example for your reference.
NewTable = UNION(SELECTCOLUMNS(Stage,"col1",Stage[Column1],"col2",Stage[Column2],"col3",Stage[Column3]),SELECTCOLUMNS(sheet1,"col1",sheet1[Alias],"col2",sheet1[Column3],"col3",sheet1[id]),SELECTCOLUMNS(Report,"col1",Report[name],"col2",Report[Column10],"col3",Report[column1]))
Regards,
Lydia
varunaggarwal30
8 years agoFrequent Visitor
Anonymous,
Is there any way we can have different column numbers and can add new columns from different sources. I tried add column option but it says union should have sam column
- varunaggarwal308 years agoFrequent Visitor
For Workaround I gave same columns in the all tables and kept them empty for non source table. Is there any cleaner way to do this?
- Anonymous8 years agoNot applicable
varunaggarwal30,
When using Union function, column number should be same from different tables.
Regards,
Lydia