Use Google Cloud BigQuery as Data Source in Power BI

Use Google Cloud BigQuery as Data Source in Power BI

Raymond Tang Raymond Tang 0 14822 5.85 index 7/12/2018

BigQuery is Google’s serverless data warehouse in Google Cloud. Power BI can consume data from various sources including RDBMS, NoSQL, Could, Services, etc. It is also easy to get data from BigQuery in Power BI.

In this article, I am going to demonstrate how to connect to BigQuery to create visuals.

Prerequisites

Google Cloud account is required. You can register a trial account.

In BigQuery, there is a public dataset named world_bank_intl_debt in project bigquery-public-data. We are going to use table international_debt to create some visual.

The details about this table is available here: https://bigquery.cloud.google.com/table/bigquery-public-data:world_bank_intl_debt.international_debt?pli=1&tab=details

Cost of querying public data sets

Public data sets are paid by Google for storage but you need to pay for querying it.

Connect to BigQuery in Power BI

Open Power BI and create a new file.

In the Home tab and click Get Data button.

In the Database tab of****the opened window, select “Google BigQuery”.

https://api.kontext.tech/resource/4e7bbfba-f4a6-5f59-84f9-4e1c66a37283

Click Connect button to continue.

Click Sign in button to sign into your Google Could account.

https://api.kontext.tech/resource/6a5334eb-e8b1-5420-99dd-7f3b250d0634

In the opened window, click Allow button to allow Power BI Desktop to view and manage your data in Google BigQuery:

https://api.kontext.tech/resource/5ffccdd5-e186-5013-ae87-b0cb853a0b9d

Click connect button once signed in to continue.

Select the Required Data Tables

The hierarchy of BigQuery is: Project -> DataSet -> Table.

In the opened window Navigator, expand bigquery-public-data project.

https://api.kontext.tech/resource/e2350068-c193-5a33-af3a-9531b402daf8

For this tutorial, we just need international_debt table under world_bank_intl_debt dataset.

https://api.kontext.tech/resource/32acd7fe-5217-5d3f-9689-1a62fedc592b

Click Load button to load the data.

And then you can setup Connection settings. In this case, let’s choose Import which will bring a copy of the data into Power BI.

Please note you will pay for querying the data. There are 1,359,644 records in this table. You can customize the query to only retrieve sample data to reduce the cost.

https://api.kontext.tech/resource/82307d6f-ba62-555a-8275-158a0e9cc97a

Once imported, the following fields are available to use:

https://api.kontext.tech/resource/48cd1f34-7c08-5b28-a3f6-6e2d88ab90dd

Create a visual using the data imported

With the data available, we can now easily create a line chart by using field year as Axis and field value as Values.

https://api.kontext.tech/resource/3cafd164-073b-5552-a6e0-b92afd5c650b

You can create as many visuals as you can do with any other data sources.

https://api.kontext.tech/resource/64512d61-9f53-59a2-b439-7a76232c2dbe

Summary

It is very easy to consume Google BigQuery data in Power BI. You can create joins when drafting the queries or implement within Power BI.

For performance and cost consideration, you may choose to physicalise some data in BigQuery and then query the aggregated data into Power BI.

bigquery plot power-bi

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