In Visual Studio, in the model designer, click on the table (tab) that contains the partitioned table. Import. Some of the visuals take 10-20 seconds to load. Please refer to a blog below: Power BI – Live connection vs. The previous version of DirectQuery appeared in SSAS Tabular 2012 was very slow and suffered of. Composite models — this feature lets you combine data coming from two different DirectQuery sources, data coming from DirectQuery and Import mode, or any combination of these. Basically you can create view for select query and using partner power bi connector you can import it in direct query mode. In your question you mentioned that the Direct Query Mode 'is notorious for having performance issues', however that will be dependent on the structure and size of the data source. Embed for Customer Direct Query vs Import. In this post, we take a closer look at Power BI’s latest major. When selected, the setting is validated against the data to ensure there are no Null or mismatched rows. Row-level security (RLS) with Power BI can be used to restrict data access for given users. In recent months, I was frequently asked if one should use tables or views when IMPORTING data in Power BI. 1 ACCEPTED SOLUTION. Snowflake also took Power BI’s Horizontal Fusion feature for a spin using sample data available in every Snowflake account. The key differences between DirectQuery and Import in Power BI are: Data storage and processing: The Import method stores the data within the Power BI file, while DirectQuery retrieves the data directly from the data source in real time. Conclusion. The dialogue confirms our settings. You can see here. In the Properties pane, expand the Advanced section, and expand. Populate the model with the historical data copied from the imported dataset. Then select Next. DirectQuery mode used to build Real-time or near real-time BI solutions when the data is changing frequently, and Data volume is very large. DirectQuery may be slower in some cases,. Several performance optimizations in the query engine aimed at reducing the number of data source queries per DAX or MDX query, known as DAX Fusion and MDX Fusion, significantly improved. It’s equivalent to loading data into an Azure Analysis Services but it’s own Power BI flavor. There are 10 columns of data and is arranged somewhat as follows: P2, P3, P4, P5, P6, Value, FC Version, Location Label, Country, Region etc. This UI is basically the use of Power Query to import data. I have a couple of . Direct Query slower. This query parallelization reduces the impact of data source delays and network latencies on query performance. In the Advanced Editor, locate the "Source" step and change. pbix Power BI Desktop file that does either or both of the following actions: Combines data from one or more DirectQuery sources. (measures has less limitations to use dax functions) You can consider to convert one table to import mode to use these limited functions based on composite mode. In the Standard Power BI versions you have a 1 GB limit for each data set. Azure Data Explorer is a fast and highly scalable data exploration service for log and telemetry data. First a review of options available within Power BI: Import: The selected tables and columns from the data source (i. You can perform multiple semantic model refreshes daily, which might be necessary if the underlying source data changes frequently. 9 Community. The choice between a local data model, a live connection to an Analysis Services model, or a direct query connection in Power BI largely depends on your specific reporting needs. For Direct Query, data will reside in the data source and the data source undertakes the work of querying data, the duration of the queries. Using The RelativePath And Query Options With Web. I have an issue regarding 'direct query' vs 'import'. Instead, Power BI sends queries to the source and displays the results directly. Limitations of using DirectQuery : You can not connect to other sources which does not support directQuery. First, select 'Home', then 'Get Data', then select 'More' and choose 'Direct Query'. In the Power Query Editor, right-click on the table you want to change and select "Advanced Editor". Both Import and DirectQuery under pbi service the report query hits the cache. I'm building report on PowerBI desktop and setup connection as "Live Connection"/"Direct Query". 01-22-2020 07:46 PM. Starting directly in Power BI Desktop and then. Select “Import” under “Data Connectivity Mode”. Direct Query - sample setup. Image by author. This option results in Power BI loading a copy of the data from the selected tables and columns of your data source. DirectQuery may be slower in some cases, as it relies on the performance of the data source and network connectivity. All about Power BI. Here’s a recording of a session I did for the Manchester (UK) Power BI user group recently on best practices for DirectQuery mode in Power BI: PBIMCR - Direct Query with Chris Webb. We create a push dataset based on a regular import dataset in Power BI in this thorough walkthrough. You can check this process in SQL Profiler. In this article. If I answered your question, please mark my post as solution, Appreciate your Kudos 👍. Figure 2: Power BI model - Import Mode. However, it can put undue load on the capacity or data source. Fill in your credentials. The performance is faster if you going to use Direct Query, the problem is that possible use only database to do it. This feature will be the main focus of this article. The query is the DAX formula you need for the dataset in Power BI Report Builder. For Server Name, enter localhost: [port recorded earlier]. Summary. Automatic page refresh is useful for monitoring scenarios and exploring fast-changing data. Query log. The Azure Cosmos DB V2 Connector for Power BI, with support for querying the Azure Cosmos DB transactional store in both DirectQuery and Import modes, is now in preview. This speeds up import enormously. Benefits Of Power BI Import Mode. With SSAS Tabular there is no hard limit on the data set size; this is bound by the RAM on your server or Azure resources if you’re using a VM on the cloud. There are two different Data Connectivity modes in Power BI; viz; Import & Direct Query. The data model supports the entire visualization experience. This requires minimum effort from you as a developer. By default, it would connect to the PBI desktop model which. See moreConvert to a Composite Model Show 2 more This article targets data modelers developing Power BI DirectQuery models, developed by using either Power BI. Power BI has several connectivity options. Effectively we can write an aggregate group by SQL Query to fetch the data and load it into an aggregate table in import mode. DAX should be used when aggregating data that is calculated on the fly. However, there are some limitations to using cached data, for example, very large data sets can exceed available memory and processing (refresh) of in-memory model data can require. From an architectural point of view, you can imagine DirectQuery as an alternative storage engine to VertiPaq (which uses an in-memory compressed. Model calculations. If a visual is taking 20 seconds, I want to do performance tuning to make it to load in less than 10 seconds. Treat SAP HANA as a relational source: In this case, Power BI treats SAP HANA as a relational source. pbix file is a Power BI model with 10 million rows in the Sales table. The fundamental idea is to maximize query performance by parallelizing as many SE queries per DAX or MDX query as possible. Provide the required Authantication for login and save. Power BI’s DirectQuery data storage mode works much differently than Import. If you are using direct query mode, then query performance is managed by the source DB, not Power BI. • Consider promote/certify your dataset so that it can be reused by others in the organisation. Open your Power BI model and select the report containing the dataset that you want to switch to import mode. Minimizing the distance between your Snowflake and Power BI data centers can reduce latency and improve query performance. Learn more about query caching in Power BI. In Import method, upon load all the data will be imported and kept on Power BI cache which will be queried while building a visual with Power BI Desktop. * Matt is a Microsoft MVP (Power BI) and author of the Power BI Book Supercharge Power BI. pbix file size is like 900KB, so you get a sense of the tables rows which is also small (around the 10k - 50k rows). DirectQuery vs. There are use cases where you would need to use direct query mode. Expand the plus sign (+) next to the table name, and select Copy query. Next Post Comparing The Performance Of Importing Data Into Power BI From ADLSgen2 Direct. e. e. 4. 2) Sales Aggregates only require weekly updates for performance reasons, so "Import" mode is used. For SQL Server 2016, DirectQuery was redesigned for dramatically improved speed and performance, however, it is also now more complex to understand and implement. The data is not imported. Click Extensions > Table > Partitions. "Power BI does not import data over connections that operate in DirectQuery mode. The strange thing is that, once you wait it out and manage to develop and publish a direct query report into Power BI Service, it works fine with the gateway and the same ODBC driver. Click Load. Storage Engine works in two different ways in order to retrieve requested data: VertiPaq keeps the snapshot of the data in-memory. Query log data is rolled forward each day. Here, you can view existing relationships, create new or modify relationships. If you’re using the native Oracle connector in Power Query, you will probably experience a very slow import performance. Previously, when you used DirectQuery, you couldn’t even add another data source into the model. The user selected tables and columns in the data model appear in the Fields list. The query logs from Snowflake show that Power BI does run queries into Snowflake and those are completed in seconds. May 7, 2023 Chris Webb. These are the default settings in Power BI Desktop, so if we've chosen Query reduction or Customized to change the Optimization presets, this is how we return to the default. In case if it is a batch job, it is ideally preferable to import that data from source into powerbi model and do reporting on the imported data as a) The performance would be quicker b) There would be no to and for of data across on prem database and cloud c) the source would not be impacted constantly. Let’s look at the main differences between the two: Import: The data is imported into Power BI Desktop. To import data into Power BI, see import a query from Azure Data Explorer into Power BI, or use a. We are thrilled to announce a variety of new and highly anticipated features such as new mobile formatting options, Dynamic M Query Parameters support for more data sources, deployment pipeline enhancements and improvements to downloading a PBIX file. We create a push dataset based on a regular import dataset in Power BI in this thorough walkthrough. , tables, relationships) of how your model is structured to query the data source. All features of Power Query Editor and Power BI are available. So in such scenario, an import mode is faster than Direct Query mode when the data file size is below 1 GB. For more information about DirectQuery, see Semantic model modes in the Power BI. However, for cases with a very large number of values, the validation isn't a guarantee that there are no. Not all data sources support both connection types. For Server Type, select Analysis Services. . Click on “Data Load”. Import allows for Daily and Weekly only. This UI is basically the use of Power Query to import data. To measure embedded performance, you can use two events: Loaded event: The time until the report is initialized (the Power BI logo disappears when the load is finished). This behavior is by design, for more information, see the Power. Dataflows () If you want to make use of incremental refresh and direct query in your Power BI dataset, then make sure to select the PowerPlatform. There is a requirement for a Power BI report to be created using data from a few (at least 5) Oracle tables in 2 schemas. I have a dataset of 120 million rows. This means that with Import, you have more control over the data and can create complex data models, but it. The initial Contoso. You can optimize your solution at different architectural layers. Models developed in DirectQuery mode don’t import data. I created calculated column on the imported table to perform value lookup from DirectQuery table. These techniques include: Remove unnecessary columns. Once you have published your report to workspace online. It fundamentally changes how we create and consume BI solutions. Import Mode vs Direct. Power BI Desktop and the Power BI service may send multiple queries for any given query, to get schema information or the data itself, based in part on whether data is cached. Next Post Optimising The Performance Of Power Query Merges In Power BI,. In import mode, Power BI Desktop stores data in the Power BI cache. February 3, 2022 When connecting to data in Power BI, you need to choose whether you want to use Import or Direct Query mode for connecting to your data. The Currency Exchange table manages currency conversions. 3. In Power BI Performance language this can be called the Visual query Limit the time it takes to run the Visual query The visual query on the other hand cares about which kind of visual that you. Power BI Import vs Direct Query: Pros and Cons. Power BI Pro and Power BI Premium and Embedded capacities with fewer vCores continue to process DAX and. Performance. Include in the view only the columns that. Query data source that allows a user to provide a custom SQL query. 44MB: As you can see, in this case removing unnecessary columns improved the performance of reading data from Parquet files a lot. Both of these connectivity modes have their own unique features and capabilities. Power BI ensures that the query results. We have heard your feedback that you would like to do this with sources you previously live connected to, like Power BI datasets and Azure Analysis Services sources. Generally, query results are small in size. I’ve worked with. Click on the Start Recording. Enter the name and port of the SAP HANA server you want to connect to. Direct Lake mode is a groundbreaking new dataset capability for analyzing very large data volumes in Power BI. YEN October 29, 2020, 4:19pm 1. Changing Direct Query in Power BI is relatively straightforward. These parameters, defined in the Manage Parameters dialog in Power Query Editor, are initially used to filter the data loaded into the Power BI Desktop model. With MDX Fusion, the most common MDX query patterns can now trigger far fewer SE queries where. Set up the storage policy by defining: The number of days/years to store data in the Power BI service. Let’s look at the main differences between the two: Import: The data is imported into Power BI Desktop. Using the Import method, Power BI captures a snapshot of your data and caches it in Power BI Desktop. Create two tables in Power BI to cover the hot and cold periods of the FACT table. Open your Power BI report in Edit mode. July 2, 2023 Chris Webb. Go into FileOptions and SettingsOptions. Make sure your agg tables are defined ahead of time. If you’re using the native Oracle connector in Power Query, you will probably experience a very slow import performance. Reduces overall data refresh time: –Extracting once and re-using multiple times means you only pay the performance price for the initial slow extract once. Import vs DirectQuery in Power BI. You can use the DAX formulas in import to view the data. 07-20-2018 10:08 AM. LiveConnect mode. For more information on connectivity modes, see Import and Direct Query connectivity modes. Power BI Dataflows Direct Query Support データセットからデータフローへはインポートモードの他にDirectQueryを使うことが出来ます(Premium必要)。 インポートモードの場合、データフローとデータセット双方でデータ更新が必要なためスケジュールを上手く設定する必要. It just forwards the query straight to the data source for every single request. There are many reasons why using DirectQuery with dataflows, rather than importing data, is useful and helpful. pbix file is a Power BI model with 10 million rows in the Sales table. * ,c. Next steps. 3) Both. - RADACAD Power BI Connection Types: DirectQuery, Live, or Import? Tough Decision! Posted on July 5, 2022 Power BI supports different methods for connecting data. DirectQuery transforms the Microsoft SQL Server Analysis Services Tabular model into a metadata layer on top of an external database. This is definitely worth doing, but in my experience, it didn’t solve the SharePoint performance problem. We are using a A1 Sku for the. With Power BI Direct Query, users can build data models that can span across multiple data sources and tables to come up with real-time analytics of the data. Live Connection refers to connecting directly to a Model (SSAS Multidimensional or Tabular) in this regard, all your modeling work is done on those. –Reading data from a dataflow is fast, probably much faster than extracting data from the original source. Figure 2: Power. With Direct Query - you are connecting to a database, and you have the ability to create calculated columns and measures in Power BI. Default mode for every report. 1. Go to the App Workspace where you uploaded the PBIX file and log into the Power BI Service. Dataflows () connector. Related to your question on import or live connection it depends on your data sources. But the column only refreshed when I made dummy changes on the formul. Import, on the other hand, can be used with. When you interact with the report, the imported data is shown. Measuring DirectQuery Performance In Power BI. Data is only brought into Power BI reports and dashboards at query-time (e. Using Import brings the data into Power BI, and requires the semantic model to be refreshed independently of the dataflow. There is more to explore, please continue to read on. You can click Transform Data, if necessary, when working with your own files. Using a custom SQL query. Data models are either hosted in the Power BI ecosystem or externally (by. Select the Microsoft Lists file you want to use in Power BI. The default Power BI semantic model created from a datamart eliminates the need to connect to a separate semantic model, set up. Both tables should use Direct Query as the storage mode and use a specific SQL query. One of the most compelling advantages of using Power BI’s Import mode is its speed. Other relevant best practices: • Add users to Office or Azure Active Directory groups and then use groups to share report content. e. Visualizations, including dashboards, Power BI reports, and Power BI paginated reports. Extremely Fast as data resides in-memory. Power BI’s performance analyzer shows you how the items perform in Power BI desktop. According to your description, for Azure DataBricks data source, it supports both import and direct query modes. Many Power BI developers come from an Excel background and have little to no SQL experience. Here, the main tables are catalog_sales and. Follow the steps described in Connect with Power BI Desktop to create a connection, using Import as the data connectivity mode. The key differences between selecting Import and DirectQuery: Import: The selected tables and columns are imported into Power BI Desktop. Every query to the data will be a query to the in-memory structure, not to the data source. You can connect Azure Data Explorer as a data source to Power BI in the following ways: Starting in Azure Data Explorer web UI and then pasting the data in Power BI Desktop. Power BI SSAS Tabular. DirectQuery maintains a connection to the source system, avoiding data duplication but potentially. Select the data source you want to connect to, and configure the connection details including server, database, username, and password. Power BI tracks model and user report queries in a query log. DirectQuery transforms the Microsoft SQL Server Analysis Services Tabular model into a metadata layer on top of an external database. It supports all data sources. This is not always true though – I. We’ve got a lot of great features this month including DAX Query view, Semantic Model Scale-out, and Advanced Filtering for Paginated Reports. Hello @akiko_lim,. Thanks to Tristan Malherbe for recommending to use the OleDB-connector in Power Query instead. Import mode allows Power BI to load and store the data in its own internal model, which can be highly optimized for. Here’s a recording of a session I did for the Manchester (UK) Power BI user group recently on best practices for DirectQuery mode in Power BI: I’ve done it for a few other groups over the last six months but this is the latest and best version, I think. Note Virtual network data gateways is a Premium and Embedded feature, and will be available only in Power BI Premium workspaces, Premium Per User (PPU), and. 130+ sessions, 130+ speakers, Product managers, MVPs, and experts. Automatic aggregations use state-of-the-art machine learning (ML) to continuously optimize DirectQuery semantic models for maximum report query performance. In my opinion Live connections is the best option. Orders o INNER JOIN Sales. This query parallelization reduces the impact of data source delays and network latencies on query performance. The key differences between DirectQuery and Import in Power BI are: Data storage and processing: The Import method stores the data within the Power BI file, while DirectQuery retrieves the data directly from the data source in real time. Import Connectivity mode: Import Data Connectivity mode lets you import data into Power. category FROM Sales. Regards, View solution in original post. September 2, 2023 How to Switch From Direct Query to Import in Power BI Power BI is a powerful data visualization tool that allows users to connect to a variety of data sources. 8) Click the Sort Ascending menu item. You can not edit your data by query editor, it will ask to to switch to data import mode. Analysis Services tabular models can be created and deployed in Azure Analysis Services. This is a more complicated question to answer than you might think, though, and in this post I’ll explain why. First, we will look at the benefits or advantages of Power BI Import Mode; Benefits Of Power BI Import Mode Because the data is contained within the data model,. DirectQuery allows users to connect directly to a data source and maintain that direct connection while creating Power BI reports. We’ve got a lot of great features this month including DAX Query view, Semantic Model Scale-out, and Advanced Filtering for Paginated Reports. You will need to have a dba anaylse the queries being sent to the DB and optimise the DB to support the queries. DirectQuery mode can be enabled for models you're designing in Visual Studio, or for tabular models that have. The following are a few examples: Working with. In the OData dialog that appears, enter a URL in the text box. Open the Power BI report (. Live Connection Mode: Power BI. Performance Analyzer can help you identify visuals that affect the performance of your reports and identify the reason for the impact. Go to the Power BI service’s Settings page, choose the Datasets tab, select the Direct Query dataset, and then click Edit credentials. DataSource function allows your connector to inherit default query folding behavior based on the capabilities. · May 23, 2023. Power BI DirectQuery. Direct Lake mode is a groundbreaking new dataset capability for analyzing very large data volumes in Power BI. Amazon Redshift is a fast, fully managed, cloud-native data warehouse that makes it simple and cost-effective to analyze all your data using standard SQL and your existing business intelligence (BI) tools. In DirectQuery mode, data is queried directly from your cluster. 3. Go to Datasets, then click on the three dots and select Security. If your data size is less then 1 GB or data not continually changing then you can use Import mode. It allows you to pinpoint the performance implications of each item on a report or dashboard’s speed. It is important to note that when using Direct. Live (2021). I understand that the auto feature is only available when the corresponding table is in direct query mode. Measures are dynamic. APPLIES TO: Power BI Desktop Power BI service. In Power BI Desktop, you can determine and specify a column's data type in the Power Query Editor, in Data View, or in Report View: In Power Query Editor, select the column and then select Data Type in the Transform group of the ribbon. You are ready to read and query the tables using your favorite data tools and APIs. Direct Query. Import, comparison and limitations. PowerBI - Direct Query & Cache. The previous version of DirectQuery appeared in SSAS Tabular 2012 was very slow and suffered of. This feature will be the main focus of this article. DirectQuery: No data is imported into Power BI Desktop. To connect to Amazon Redshift data: Select the Amazon Redshift option in the Power Query - Choose data source page. Select the relevant table (s) and click the "Edit" button. I have an Azure SQL which always get new dataset as often as the user wants. Thursday. To measure embedded performance, you can use two events: Loaded event: The time until the report is initialized (the Power BI logo disappears when the load is finished). Select the "Data source settings" button and then select "Change Source". 2. The. As far as I know, if your dataset is already connected to the data source through import mode, and then you want to connect the dataset, it will automatically convert from Live connection to DQ mode, but DQ mode is not a standard DQ mode, but a live connection mode that adds the function of. 1000-win64. Refreshing data can be cumbersome and time. Use composite models and aggregations appropriately. Select the View ribbon, and then select Performance Analyzer to display the Performance Analyzer pane. The direct query option I can only see it worthy for a very special situation that need a composite model to incorporate one table for an specific requirement. Follow the steps described in Connect with Power BI Desktop to create a connection, using Import as the data connectivity mode. The portal doesn’t support the use of Power Query with datasets, you need to use Power BI desktop. Measure performance Performance events. Power BI Direct Query Method: In this method, at the time of creating the data model, only the schema, tables and columns are defined. A Direct Query connection will run queries directly to your source at run time. If the user tries to interact with the report and wants data older than 3 months, Power BI will go and search for that data through the ~190 million rows stored in the SQL Server database — having to cope with the network latency, concurrent requests, etc. Just have in mind, that this method might prevent query folding, so it is mostly suitable. Select a different partition from the Partitions list, and. Subscribe to RSS Feed; Mark Topic as New; Mark Topic as Read; Float this Topic for Current User; Bookmark;. Compared to Direct Query mode, Import relatively queries data faster because the data of the data source will be import into the model of the pbix file. It does not affect the performance of queries in the Power BI Service, although there is another setting that (I think) will have the same effect for queries that go through an on-premises data gateway – but that’s yet another for a future post. Select the Microsoft Lists file you want to use in Power BI. Import Mode: The Perks. Updated on Sept 09 2023. A hybrid model can be deployed to blend Direct Query and Import data sources for maximum flexibility. [TableName]. Dataflows () 2. For choosing direct query or import, you need to consider the data amount (1GB limit for dataset size) and refresh frequency. Power BI’s DirectQuery data storage mode works much differently than Import. Optimize data source performance. Dynamic M parameters only work for this newer set of connectors; if you want. Live (2021). For a complete list of data sources that support DirectQuery, refer to Power BI data sources. Thanks to Tristan Malherbe for recommending to use the OleDB-connector in Power Query instead. This snapshot is used to build reports, and all queries run against this in-memory data. Problem 1, In Power Query I set the data source to direct query and execute a stored procedure. Composite models “Gen2” — “Gen2” is not an official name for this feature. If you are interested to learn more about Direct Query mode, in which scenarios you would (not). The key differences between DirectQuery and Import in Power BI are: Data storage and processing: The Import method stores the data within the Power BI file, while DirectQuery retrieves the data directly from the data source in real time. Solved: Circa the June 2021 release of Power BI, direct query to dataflows is now generally supported (in Premium). For example, the query that runs on the data source can aggregate 10 million rows. It also offers design flexibility to modelers, and support for specific Power BI service features (Q&A, Quick Insights, etc. See Power BI report data sources in Power BI Report Server for the list of supported data sources. For example, when connecting to a query cube from a BEx query that sets the aggregation to be Cumulated, or running sum, Power BI would get back the base numbers, ignoring that setting. Visualization rendering. How to improve performance of Power BI connected via Direct Query to Azure Dedicated SQL pool? More details. Because the data is contained within the data model, it provides good performance. It constantly sends queries to the source to display the visuals with the appropriate filter contexts selected. Can use power query and all dax functions. Direct access to Data Lake via DirectQuery When using Power BI DirectQuery, data is directly accessed in Databricks, allowing users to query and visualise large datasets, without the size limitations imposed by import queries. The formula engine doesn’t have direct access to the database, so it normally goes through the storage engine for this purpose. It's possible to measure the performance impact of RLS filters in Power BI Desktop by using Performance Analyzer. Import mode provides the best performance, as data is loaded into memory, allowing for fast query response. Direct Query: In DirectQuery mode, Power BI connects directly to the data source without importing the data. Should you use Import or DirectQuery data connectivity mode for your Power BI models? Let's make the right choice by comparing the performance and scalabilit. You can read the announcement blog. Live connection. You can click Transform Data, if necessary, when working with your own files. Write the new transactions in the Sales table, grouping the rows in a single POST rows call every 30 seconds. At this point, further optimization can be achieved by enabling the “Assume referential integrity” option in the relationship between Sales and Date in the Power BI model. The largest Power BI and Fabric virtual conference. This is a big performance improvement, since Power Query has to import less data. At this point, further optimization can be achieved by enabling the “Assume referential integrity” option in the relationship between Sales and Date in the Power BI model. " For import models, you can find the refresh schedule in the "Scheduled refresh" section of the Datasets tab. An analyst could certainly. With DirectQuery enabled; every time you see a visualization, Power BI sends a query to the data source, and the result of that comes back. Include in the view only the columns that. 10) On the Keep Top Rows window, type “1” to keep only 1 row. When I close and apply, I get an error: Microsoft SQL: Incorrect syntax near the keyword 'exec'. When querying the source, PBI won't use filters (directly in the query) that come from tables in import mode. This query parallelization reduces the impact of data source delays and network latencies on query performance. Connect to Dataverse from Power Query Online. There are many reasons why using DirectQuery with dataflows, rather than importing data, is useful and helpful. This mode delivers fast performance thanks to in-memory querying. Select the "Transform Data" button on the "Home" tab. Power BI will use its own query engine to query data. Setup: Dedicated SQL pool > Power BI (Direct Query) Data: 3 tables (rows x columns: 4x136 user table, 4x3000 date table, 8x270. 10-08-2018 06:55 AM Hi All, I think this question has come back quite a few times, but I have found no clear answer to my question. Direct Query or Import Mode in terms of performance speed . You can select Import, Composite, or Dual modes. If you want to switch to import mode, you can refer to the following steps: Follow the steps described in Connect with Power BI Desktop to create a connection, using Import as the data connectivity mode. Import Mode vs Direct. In case of import, once you import the data resides in Power BI service till you refresh again. The Databricks connector provides the Databricks.