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LynnD New Member
New Member

Native Database Query Pros and Cons

I am just starting with Power BI and have been using Native Database Queries to use pre-determined SQL for my data source.  This allows for some data transformation (select only certain fields from a table, rename fields to be end-user friendly).

 

1. Are there any particular reasons that I should be using Native Database Queries when using the get data wizard?

 

2. Is there a way to easily get back to the SQL entry screen once the data has been imported?

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Super User
Super User

Re: Native Database Query Pros and Cons

1. I would anticipate that Native Database Queries are more efficient. If you use something like a SQL SELECT statement and only select certain columns, then the unselected data never makes it to the Desktop for example. Otherwise, my understanding is that it will grab everything and then as part of the query whittle down columns based upon query steps.

 

2. Edit Queries, select query, in Source step, click the gear icon.


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1 REPLY 1
Super User
Super User

Re: Native Database Query Pros and Cons

1. I would anticipate that Native Database Queries are more efficient. If you use something like a SQL SELECT statement and only select certain columns, then the unselected data never makes it to the Desktop for example. Otherwise, my understanding is that it will grab everything and then as part of the query whittle down columns based upon query steps.

 

2. Edit Queries, select query, in Source step, click the gear icon.


I have book! Learn Power BI from Packt


Did I answer your question? Mark my post as a solution!

Proud to be a Datanaut!

View solution in original post

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