Now, consider a different report design. The implementation of the push dataset requires the following steps: Define and deploy the data model as a push dataset. 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. In the November 2017 release there is a new capability in Power BI allows you to reduce the traffic and enhance this connection method exponentially. Import the required tables into. Power BI Direct Query vs. Even with > 100 DTU's allocated in the Azure SQL Database, any query made from power. In the OData dialog that appears, enter a URL in the text box. The most important difference is that calculated columns are calculated once when the dataset is loaded. Other relevant best practices: • Add users to Office or Azure Active Directory groups and then use groups to share report content. You can move the slider for Show the database in the header when applicable. Data models are either hosted in the Power BI ecosystem or externally (by. To connect to Dataverse from Power Query Online: Select the Dataverse option in the Choose data source page. In the Performance Analyzer pane, select Start recording, then select Refresh visuals. There can only be a maximum of 10 models with change detection measure in a Power BI tenant. May 7, 2023 Chris Webb. Import data: As per Microsoft, this is the fastest performing model as data is compressed and stored in memory which is same as tabular model. Power BI — What-If parameter Step 5: Visualisation timeThe best practice for using views is: Create a schema for a certain data model: for example, it could be the name of the data mart, or the name of the group of reports that will share the same data model. Query parallelization is enabled on Power BI Premium and Embedded SKUs with eight or more vCores. Analysis Services is the engine powering the datasets workload. Import mode. The three semantic model modes are: Import DirectQuery Composite Import mode Import mode is the most common mode used to develop semantic models. A Power BI dataset is always a semantic layer, an easily consumable interface for your BI data: in Import mode it is a semantic layer and it also stores the. More than one year ago, I and Alberto Ferrari started to work on DirectQuery, exploring the new implementation appeared in Analysis Services 2016 for the Tabular models, which uses the same engine of Power BI. You are ready to read and query the tables using your favorite data tools and APIs. With DirectQuery datasets, no data is imported into Power BI. Integrate data by caching data from dataflows and. DimCustomer. DirectQuery mode. The data model supports the entire visualization experience. Query parallelization is enabled on Power BI Premium and Embedded SKUs with eight or more vCores. As its name suggests, DirectQuery is a method of retrieving data, that pulls the data directly from the data source, at the query time! The last part of the sentence holds the key – while Import mode stores the snapshot of your data in-memory – DirectQuery (DQ) doesn’t store any data. In Nov 2018, we released composite models, which allow you to seamlessly add multiple DirectQuery sources and imported data to your models. 3) Both. Refer: Power BI refresh types. Measuring DirectQuery Performance In Power BI. Once my transformations (what can be folded) are complete, all remaining data is downloaded (imported) to the Power BI Azure database for further data manipulation (non foldable transformations, DAX, visuals). Image by author. You can use the DAX formulas in import to view the data. If I answered your question, please mark my post as solution, Appreciate your Kudos 👍. When you use DirectQuery, composite models make it possible to create a Power BI model, such as a single . So i want to figure out. 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. This can put analysts and developers coming from the self-service side in a difficult situation as. This speeds up import enormously. x and above. In this post, we take a closer look at Power BI’s latest major. By fine-tuning the configuration of your datasets in Power BI, you can meet the query parallelization requirements in your environment, boosting the performance of your BI workloads in Direct Query mode. 44MB: As you can see, in this case removing unnecessary columns improved the performance of reading data from Parquet files a lot. To load data from an OData Feed in Power Query Online: Select the OData or OData Feed option in the connector selection. – greggyb. DirectQuery may be slower in some cases, as it relies on the performance of the data source and network connectivity. Power BI - Connect to Most Recent File in a Folder. So, if you have many users who are sending requests to Snowflake and Snowflake charges you for it use. Also, some data sources may not. It’s because there are two sets of connector that Power BI uses for DirectQuery: an older set that was built some time ago for the data sources originally supported by Analysis Services Tabular, and a newer set that is built in Power Query’s M language. First, determine report visual query durations when RLS isn't enforced. Step 1 – Create DQ tables. . Direct Lake is based on loading parquet-formatted files directly from a data lake without having to query a Lakehouse endpoint, and without having to import or duplicate data into a Power BI dataset. 04-25-2023 03:03 PM. This feature will be the main focus of this article. Can we use both Direct Query and import option in a single Power BI Report? 1 How to use SQL with Power BI in Direct Query Mode for Impala data sources? 2 Can Power BI power query be connected to a source of. , calculated. Select the View ribbon, and then select Performance Analyzer to display the Performance Analyzer pane. Though you can build real-time reports with DirectQuery, push datasets offer a more scalable, economical, and effective solution especially when combined with an Import model already in place. The benefits of Import and DirectQuery models can be combined into a single model by configuring the storage. For more information about DirectQuery, see Semantic model modes in the Power BI. 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. Watch on. 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. Direct Query: In DirectQuery mode, Power BI connects directly to the data source without importing the data. Idrissshatila. In case of import, once you import the data resides in Power BI service till you refresh again. The best practice for using views is: Create a schema for a certain data model: for example, it could be the name of the data mart, or the name of the group of reports that will share the same data model. Starting directly in Power BI Desktop and then. Direct Lake is the newest type of connection in Power BI. For every single request, it goes straight to the data. Which do you choose and why in Power BI? Adam looks at the three options when creating reports in Power BI Deskto. Welcome to the September 2022 update. 13 contributors Feedback In this article Power BI data connectivity modes DirectQuery use cases DirectQuery limitations DirectQuery recommendations Show 3 more In Power BI Desktop or the. 9) Click the menu option Keep Top Rows. Select the "Transform Data" button on the "Home" tab. The query log is secure and not visible to users or through the XMLA endpoint. Import is the default option for acquiring data in Power BI, and for most scenarios is the most appropriate choice. In Partition Manager, the partition that is the current Direct Query partition in indicated by the prefix (DirectQuery) on the partition name. When you connect to an SAP BW system, you can also choose between these two connectivity modes. July 2, 2023 Chris Webb. In response to mandarnakil. Expand the plus sign (+) next to the table name, and select Copy query. Click on “Data Load”. The fundamental idea is to maximize query performance by parallelizing as many SE queries per DAX or MDX query as possible. PBI Desktop release manager. By definition, a composite model combines multiple source groups. In this situation I have a preference for import Mode. 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. 5 introduced a new feature to analyze MDX and DAX queries running in DirectQuery mode on a Power BI or an Analysis Services (SSAS) Tabular model. As your report readers interact with visualizations on your report, Power BI queries the imported data. This means that any changes in the underlying dataset are reflected in the report in real-time. You can find more detailed help on setting up Power BI data set to SQL Server in this tip. set up data source credentials for Power BI datasets. Use composite models in Power BI Desktop. Orders o INNER JOIN Sales. Pros and Cons etc. Import mode is very fast compared to direct query mode because all data comes from Power BI desktop cache. In this writing, I like to share how I compare the performance between Import, Direct Query, and Direct Lake modes, in Fabric (and in Power BI). You are ready to read and query the tables using your favorite data tools and APIs. 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. In SQL Server Profiler, on the File menu, select New Trace. 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. Azure Data Explorer is a fast and highly scalable data exploration service for log and telemetry data. The data imported by Power Query will be saved in the Azure SQL Database; You can build a model using the. Data not imported or copied into Power BI Desktop. Step 6: Performance analyzer. You will need to have a dba anaylse the queries being sent to the DB and optimise the DB to support the queries. When selected, the setting is validated against the data to ensure there are no Null or mismatched rows. The Sales table is related to Customer, Date, Product, and Store. I would like to highlight some of the facts as far as speed and performance is concerned - Upon Importing the Data, the Power BI ensures the queries are loaded quickly and all changes to the visual are reflected immediately whereas while using the DirectQuery option, queries are sent to the underlying data source to retrieve the necessary data. Select the "Data source settings" button and then select "Change Source". Import Connectivity mode: Import Data Connectivity mode lets you import data into Power. We are excited to announce. With Azure Analysis Services, almost all tabular models can be moved. –Reading data from a dataflow is fast, probably much faster than extracting data from the original source. g. Trying to explorer whether I use direct query or import for the solution. Direct Lake is based on loading parquet-formatted files directly from a data lake without having to query a Lakehouse endpoint, and without having to import or duplicate data into a Power BI dataset. Because the storage mode for each fact table is Direct Query or Import, the storage mode for the dimension tables must be set to Dual. Putting 200GB of compressed data in PowerBI where ~80% of it will be permanently. We are using a A1 Sku for the. See also. Select the dataset you want to import and click on the "Data Source Settings" in the "Manage" tab. PBIX file internally stores model. Detailed explanation can be found in the video session below. In general Import mode is always going to offer better performance than DirectQuery, but DQ on Databricks SQL is perfectly acceptable if you model your data well. They doesn't fit into Azure Analysis Services RAM (reasonable price). This snapshot can be refreshed from time to time, from the original data source. Everyone is happy. Navigate to or enter the path to the trace file for the current Power BI session, and open FlightRecorderCurrent. Power BI Direct Query Method: In this method, at the time of creating the data model, only the schema, tables and columns are defined. Create two tables in Power BI to cover the hot and cold periods of the FACT table. Use data in Power BI. In the scenario where you have one (or more) Power BI Datasets that use Import Data, and then you use DirectQuery to build a composite model for a report, are there still significant performance impacts (as when you direct query a source database), or are those mitigated by the source datasets also being in Power BI Service?DirectQuery mode, on the other hand, delivers data freshness, yet at the expense of report performance. Power BI Pro and Power BI Premium and Embedded capacities with fewer vCores continue to process DAX and. By default, tabular models use an in-memory cache to store and query data. In addition to datasets, Power BI Premium includes several other workloads including dataflows, paginated reports, and AI. Power BI SSAS Tabular. I’ve worked with several customers. Direct Lake mode is a groundbreaking new dataset capability for analyzing very large data volumes in Power BI. pbix Power BI Desktop file that does either or both of the following actions: Combines data from one or more DirectQuery sources. Another thing to note in difference. they will be taken into the Query Editor dialog where they can apply several different data transformations and filters on. category <>. To connect to OBIEE Reports and Subject Areas from Power BI Desktop using Import, follow the same steps as Direct Query, but choose Import instead of DirectQuery in the connection type. Because the data is stored locally within the Power BI. However, in specific situations, you might want to influence the behavior and change the defaults. Each query is limited to return less than or equal to 1 million rows. Select “Options” from the dropdown menu. The MDX query performance improvement is the result of a clever Formula Engine (FE) optimization aimed at reducing the number of Storage Engine (SE) queries per MDX query, similar to DAX optimizations known as DAX Fusion. There are two phases when implementing an incremental refresh and real-time data solution, the first being configuring parameters, filtering, and defining a policy in Power BI Desktop, and the second being the initial semantic model refresh operation and subsequent refreshes in the service. Go into FileOptions and SettingsOptions. Composite models “Gen2” — “Gen2” is not an official name for this feature. Live (2021). Care must be taken with this approach to ensure that measures are aggregated as. In Power BI Desktop model view, you can interpret a relationship's cardinality type by looking at the indicators (1 or *) on either side of the relationship line. Enter the name of the SQL endpoint where the database is located. The following are a few examples: Working with large dataflows. Community Champion. The Power BI service offers two types of connections: DirectQuery and Import. It supports all data sources. The Currency Exchange table manages currency conversions. For Direct Query, data will reside in the data source and the data source undertakes the work of querying data, the duration of the. Some of the visuals take 10-20 seconds to load. Read more. 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). 1000-win64. Import. 06-19-2017 03:18 PM. by directly querying the underlying source without a need for dataset refresh but at the cost of poor query performance. In the Power BI Service, set the security for DRLS. For PowerBi. Automatic aggregation is a process in which Power BI will check the usage logs of the columns and tables in the Power BI dataset, and it creates automatic aggregation tables based on that. Next steps. 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. I have a dataset of 120 million rows. Direct Query - sample setup. That is why the decision to. Enter credentials for DirectQuery to Power BI dataset. The query is the DAX formula you need for the dataset in Power BI Report Builder. With MDX Fusion, the most common MDX query patterns can now trigger far fewer SE queries where. Automatic page refresh is useful for monitoring scenarios and exploring fast-changing data. . It fundamentally changes how we create and consume BI solutions. This time the maximum amount of data read by Power Query was only 2. Import: I can transform within Power Query and have my transformations be turned into native query (Query Folding). [Colour],SUM ( CAST ( [t0]. Conclusion. By definition, a composite model combines multiple source groups. The data is not imported or embedded into the xlsx or pbix file. " For import models, you can find the refresh schedule in the "Scheduled refresh" section of the Datasets tab. pbix file is a Power BI model with 10 million rows in the Sales table. DimCustomer. Row-level security (RLS) with Power BI can be used to restrict data access for given users. Sadly, when I published the report to the web version of Power BI and then made changes to the Excel file, it still acts like the connector is an import query i. The initial Contoso. The three semantic model modes are: Import DirectQuery Composite Import mode Import mode is the most common mode used to develop semantic. We can directly import data in Power BI and take advantage of high-performance query engine and provide full feature experience. In this article, we will explore some techniques to optimize Power BI performance and ensure that reports load quickly and efficiently. The dialogue confirms our settings. Power BI DirectQuery Best Practices Video. Use Import mode when:. 👉🏻 Acelere sua carreira com o melhor curso de Power BI do merc. Power BI service: RLS Users dataflow (Image by. 2) Import mode: You basically pull all the data into the file. All interactions and filters applied to the data will. But if using direct query, do (or could) these performance impacts in privacy levels affect the report response times for. Summary. Power BI has different data connectors to connect those data sources. Other data sources may generate queries in other query languages. Both tables should use Direct Query as the storage mode and use a specific SQL query. For choosing direct query or import, you need to consider the data amount (1GB limit for dataset size) and refresh frequency. Last week it was announced that Power BI datasets have been renamed: they are now semantic models. 5. Open Power BI and log in. Power BI tables can use DirectQuery, Import, or Dual storage modes. While there is a lot of overlap between the two languages. Doing so lets you set data types before. YEN October 29, 2020, 4:19pm 1. Import Data is the fastest possible option regarding performance in Power BI. DirectQuery queries the backend directly, while Import caches data in memory and sends queries to the cached data. However, you cannot use the simple DAX formulas. If you’re using the native Oracle connector in Power Query, you will probably experience a very slow import performance. The Power BI store ensures the query is fast, and that all changes to the visual reflect immediately. Click on the Start Recording. 1. Welcome to the November 2023 update. In the Advanced Editor, locate the "Source" step and change. Treat SAP HANA as a relational source: In this case, Power BI treats SAP HANA as a relational source. SQL DW) are imported into Power BI Desktop and into the computers memory. So, you can publish your. This technique is the recommended approach, and is the default for new DirectQuery reports over SAP HANA. • Consider promote/certify your dataset so that it can be reused by others in the organisation. I ask because import mode stores this 8GB data into memory when. 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. Optimizing performance in Power BI, especially with large datasets, is a common challenge. Import mode is. With Import connection, you can take full advantages of the high-performance query engine. A DirectQuery source can be either a relational database or another tabular model, which can be a Power BI semantic model ( previously known as a dataset) or an Analysis Services tabular model. Hello everyone! I am still trying to get a working Direct Query with PowerBI. You can use import mode if your data is less than 1 GB or if your data does not change frequently. By fine-tuning the configuration of your datasets in Power BI, you can meet the query parallelization requirements in your environment, boosting the performance of your BI workloads in Direct Query mode. This means that with Import, you have more control over the data and can create complex data models,. Layers include: The data source (s) The data model. In the Navigator, right click the top-most item containing. Fusing data queries together and avoiding unnecessary roundtrips is a tried and proven approach to boost query performance in Power BI. . A diferencia del método “Importar”, la consulta directa o Direct Query no almacena datos en el informe. How to improve performance of Power BI connected via Direct Query to Azure Dedicated SQL pool? More details. On-Demand Loading Of Direct Lake Power BI Datasets In Fabric. Depending on the source, Power Query can send some of the transformations to the source. Direct Lake is based on loading parquet-formatted files directly from a data lake without having to query a Lakehouse endpoint, and without having to import or duplicate data into a Power BI dataset. At the time of writing there are two dataflow connectors available in Power Query. This process is called query folding. But the column only refreshed when I made dummy changes on the formul. Use incremental refresh. " From the list of options available, select "Direct Query Options," and then choose the desired connection type. By default, it would connect to the PBI desktop model which. So, for every visual interaction Data is refreshed. With the number of rows reduced by aggregation, you can now switch the table in the model view to import mode. In Import mode Power BI Desktop store the data inside Power BI Cache. This article provides a list of best practices, with links to articles and other information that will help you understand and use dataflows to their full potential. So in such scenario, an import mode is faster than Direct Query mode when the data file size is below 1 GB. 08-18-2020 02:33 AM. Benefits Of Power BI Import Mode. To enable this feature, select Assume Referential Integrity as shown in the following image. I blog about Power BI, Power. Import faster. In the Standard Power BI versions you have a 1 GB limit for each data set. There are 4 connectivity modes: 1. As its name suggests, DirectQuery is a method of retrieving data, that pulls the data directly from the data source, at the query time! The last part of the sentence holds the key – while Import mode stores the snapshot of your data in-memory – DirectQuery (DQ) doesn’t store any data. Import. Using Datamarts, you can build Power Query ETLs using the portal. 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. This means that with Import, you have more control over the data and can create complex data models, but it. You can click Transform Data, if necessary, when working with your own files. every query) is sent to Snowflake. This has to be done inside Power BI Desktop under section “manage roles” by a corporate BI employee. pbix) in Power BI Desktop. To import data into Power BI, see import a query from Azure Data Explorer into Power BI, or use a. Direct Query slower. We are thrilled to announce a variety of new features such as hierarchical axis by default, translations for composite models, mobile formatting options general availability and cross tenants’ datasets sharing. You can select Import, Composite, or Dual modes. PowerBI - Direct Query & Cache. In this article. This version of the query only took an average of 0. 1. When the data is stored using a Lakehouse inside the OneLake, Power BI dataset supports a specific type of connection called Direct Lake. This is a big performance improvement, since Power Query has to import less data. Using The RelativePath And Query Options With Web. In this article. For Power BI users, refreshing data typically means importing data from the original data sources into a semantic model, either based on a refresh schedule or on-demand. Get Help with Power BI; Desktop; Direct Query vs Import; Reply. Everything else. DirectQuery vs. I'm building report on PowerBI desktop and setup connection as "Live Connection"/"Direct Query". Identifying which one of these is the problem is the first step to improving performance. In the DirectQuery mode, click on the model tab from the vertical left-hand menu. 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. In this video I talk about the two different ways you can connect your data to Power BI: Import and Direct Query. Power BI Direct Lake mode is in public preview. In this article, we will explore some techniques to optimize Power BI performance and ensure that reports load quickly and efficiently. Ensure Data Center Distance Is Minimized. 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. DirectQuery: No data is imported into Power BI Desktop. Customers c ON c. SQL Server Profiler displays all events from the current session. Connect to Dataverse from Power Query Online. Training. Currently I am using import from a PostgreSQL server. e. Because all data comes from the Power BI Desktop Cache, it is much faster than Direct Query mode. Direct connect vs import, SQL server vs SSAS source. Microsoft Power BI is a business analytics service that delivers insights to enable fast,. e. Previously, when you used DirectQuery, you couldn’t even add another data source into the model. Power BI On-premise Gateway supports scheduled refresh of datasets for BI Connector based data sources. For this reason, the query plan optimizes the execution, and the JOIN can partially leverage existing indexes. Check the datamodel and the storage mode of each table involved (ie: fact table, calendar, customer, etc). Where as manual aggregations is supported for import as well as direct query mode. A source group can represent imported data or a connection to a DirectQuery source. In Visual Studio, in the model designer, click on the table (tab) that contains the partitioned table. 1 ACCEPTED SOLUTION. . You can perform multiple semantic model refreshes daily, which might be necessary if the underlying source data changes frequently. For every single request, it goes straight to the data. For more information about Live Connection, see Semantic models in the Power BI service (Externally-hosted models). Storage Engine works in two different ways in order to retrieve requested data: VertiPaq keeps the snapshot of the data in-memory. This means that with Import, you have more control over the data and can create complex data models,. (search for "composite models" on the web) Limit the number of objects, for each object in the dashboard a query will be sent to. Direct Lake is a fast-path to. Not all data sources support both connection types. It also presents the information so that you can view, drill down, or export the results. Power BI Get Data: Import vs. Analysis Services tabular models can be created and deployed in Azure Analysis Services. Model calculations. I'm one happy student that likes to learn. 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. Because Power BI doesn’t import the data but translates the report queries into data source queries, the latest data changes are quicky picked up, but the query/response roundtrips between Power BI and the data source take time and. This is to allow any user to add the cost per credit in the currency they deal with. One reason Power BI uses this pattern is so you can define a Power Query query to use a specific query statement. I know the difference and the limitations of each. Hello @mandarnakil , In this case, it's better to import the dimension tables and the fact table that has the billion record usr the direct query modeling. A DirectQuery model can be optimized in many ways, as described in the following bulleted list. July 2022: This post was reviewed for accuracy. This speeds up import enormously. Welcome to the November 2023 update. First, select 'Home', then 'Get Data', then select 'More' and choose 'Direct Query'. We’ve got a lot of great features this month including DAX Query view, Semantic Model Scale-out, and Advanced Filtering for Paginated Reports. In Power BI Desktop select the View ribbon, and then select Performance Analyzer. The formula engine doesn’t have direct access to the database, so it normally goes through the storage engine for this purpose. Then P3 is one level up, P4 is the brand which is another level up and. Contents() In Power Query And Power BI M Code; How Much Data Can You Load Into Power BI? Keep The Existing Data In Your Power BI Dataset And Add New Data To It Using Incremental Refresh; Excel Workbook Layout And The Performance Of Reading Data With Power. With respect to the power bi premium or embedded licensing, in order to plan for required memory capacity; I want to ask - does power BI import mode require more memory compared to direct query or live connection mode - for example say dataset size is 8GB. With respect to the power bi premium or embedded licensing, in order to plan for required memory capacity; I want to ask - does power BI import mode require more memory compared to direct query or live connection mode - for example say dataset size is 8GB. Once you have published your report to workspace online. PowerPlatform. 000 main table) Data model: Main table to Date table connection - many-to-one based on. Editing your Direct Lake Datasets from Tabular Editor? Yes please! September 21, 2023; Using Microsoft Fabric Workspaces (Power BI and more!). Not sure what DirectQuery is or how it works in Power BI? Then, this is the quick video you will want to watch! In this quick discussion we will talk about t. Dynamic M parameters only work for this newer set of connectors; if you want. Follow the steps described in Connect with Power BI Desktop to create a connection, using Import as the data connectivity mode. Login to Power BI and click on Get Data and select OData from the available options. Place a card visual on the report canvas, select a data column to create a basic report, and then on the View menu, select Performance analyzer. Query log. Throttling is avoided as a result of network delay or data source limitations. A composite model in Power BI means part of your model can be a DirectQuery connection to a data source (for example, SQL Server database), and another part as Import Data (for example, an Excel file). APPLIES TO: Power BI Desktop Power BI service. You can read the announcement blog.