The article´s title is wrong.
Its not Power BI but PowerPivot you are using.

Is there any good article or tutorial that talk about ETL (SSIS)?

Great post!

So, how can I do this with desc order by?

I think Profile will be the best... will use it.

Tks.

I want to know where do I have to start to know why this specific query is takes too long to execute sometimes.

I dont know if there is a block,...

Tks Kiwi, works perfectly and fast.

Jeff,

Do you know the MS Project?

Think about a web application for Project Management and the manager can insert any hierarquical level of tasks.

And for conceptuals...

Brilliant and elegant.

Tks.

Is there a way for a Multiple Update without looping?