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Power BI gateway and Report Builder support for ODBC data sources

APPLIES TO: ✔️ Power BI Report Builder ✔️ Power BI service ❌ Power BI Desktop

This article spells out how to configure ODBC data sources in the Power BI gateway, and how to use ODBC data sources in Power BI Report Builder.

Data Source Name (DSN) and driver connection strings are both supported.


Power BI Report Builder is now 64-bit, and will no longer work with 32-bit drivers. Both Power BI Report Builder and The Power BI Gateway require the 64-bit version.

Before you install the Power BI gateway

You need a Power BI gateway version February 2021 or later. We recommend installing the gateway on a separate machine from Power BI Report Builder or Power BI Desktop. There are some scenarios where using the same machine might cause problems.

Install, configure Power BI Report Builder for ODBC data source

The latest version of Power BI Report Builder already contains the ODBC data extension.

  1. Install the latest version of Power BI Report Builder.
  2. Install the 64-bit ODBC driver that you plan to use with Power BI Report Builder.

Install Power BI gateway, configure ODBC data sources

Follow these steps to set up the Power BI gateway for ODBC data sources.

  1. Download the latest Power BI gateway.


    Personal gateways aren't supported for paginated reports, because they require DirectQuery support.

  2. Refer to the article What is an on-premises data gateway? for information on setting it up.

  3. Install the 64-bit ODBC driver that you plan to use on the gateway machine.


    File DSNs aren't supported. If you'd like to use a DSN, create a 64-bit System DSN on the gateway machine.

  4. To configure an ODBC data source in the Manage Gateway page of the Power BI Service, select Add data source > ODBC Data Source Type:

    Add data source

  5. Paste in the connection string (System DSN or driver) and select an authentication method. For ODBC data sources the following authentication methods are supported:

  6. When you select the Add button, the Power BI service connects to the ODBC data source using the supplied connection string and credentials to validate that the gateway is able to connect.


    For the public preview, the Anonymous authentication method isn't supported. You can select it for an ODBC data source, but you receive an "Unexpected error occurred" like the following one when rendering the report:

    Anonymous authentication isn't supported.

ODBC connection string examples

Here are some ODBC connection string examples for a System DSN, as well as a variety of ODBC drivers:

  • "dsn=Northwind"
  • "driver={Microsoft Access Driver (*.mdb, *.accdb)};dbq=c:\Data\Northwind.mdb"
  • "driver={SnowflakeDSIIDriver};warehouse=DEMO_WH;server=org.snowflakecomputing.com"
  • "driver={Amazon Redshift (x64)};server=org.us-west-2.redshift.amazonaws.com;database=dev"

Certain drivers and configurations might not support all authentication methods.

In addition to creating ODBC data sources in the Gateway up front, you can create ODBC data sources on demand when you upload a paginated report. If an ODBC data source doesn’t exist, the Upload process prompts you to create one:

Create data source prompt.

Known issues

In general, all the limitations that apply to using the ODBC data extension in Power BI Report Builder apply to using the ODBC data extensions in the Power BI gateway as well.

Here are some of the known limitations:

  • For most ODBC drivers DateTime parameters require changes to the Command text in the RDL dataset to cast a DateTime parameter value to the appropriate format for a given ODBC data source.

    Example query:


    Some data sources might require specific formatting. You can use an expression to format the parameter in the example above. For example, .

  • For some ODBC drivers, there is a behavior difference between the Gateway and Power BI Report Builder. This may apply to all, some, or just one driver. One known example is that the Simba-BigQuery query requires casting of the parameter if it is not a string type.

    Example error string: "A data source used by this report returned an error. An exception encountered while accessing the target data source ERROR [42000] [Simba][BigQuery] (70) Invalid query: No matching signature for operator = for argument types: INT64, STRING. Supported signature: ANY = ANY at [2:7]"

    Example query with proper cast for an INT64 column:

  • Any special data types exposed by a given ODBC driver or backend that aren't simply mapped to an ADO.Net data type aren't supported. One example is the Snowflake Array data type.

  • Scenarios where ODBC drivers use stored procedures without parameters are generally not supported. However, the Amazon Redshift driver has in/out parameters that are supported.

Sours: https://docs.microsoft.com/en-us/power-bi/paginated-reports/paginated-reports-odbc-support

Create ODBC connection in Power BI with Devart ODBC Drivers

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Power BI is a feature-rich environment for developing business intelligence reports. The software supports ODBC data sources and offers many tools for transforming data into meaningful interactive visualizations. Devart provides ODBC connectors for Power BI to access data in databases and cloud applications, such as MySQL, PostgreSQL, xBase, Oracle, Salesforce or Mailchimp. With Power BI Desktop and ODBC drivers, you can retrieve entire tables or execute SQL queries that return a subset from MongoDB, FreshBooks, NetSuite, and other data sources.

The section below describes the main connection options. Power BI ODBC database connection also offers some advanced options where you can provide a SQL statement to specify what data to return, e.g. to limit the number of rows returned or to exclude unnecessary fields or columns. Expand the Advanced Options area and type in your SQL statement. You can also specify here properties for Power BI ODBC connection string.

Direct mode

Native connection to traditional databases and cloud-based services from Power BI using an ODBC driver. No need to use client software to establish Power BI ODBC connection and fetch your sales figures table from databases such as Oracle, MySQL, PostgreSQL, or cloud services such as Salesforce, QuickBooks, or Zoho CRM.

SQL data type mapping

Full support and mapping of data source-specific SQL data types to the standard ODBC data types. Access diverse data stores from Power BI through a unified interface with exceptional speed. You can create custom mappings between data source fields and ODBC data types.

ODBC Driver features for Power BI

Secure connection

Devart ODBC drivers use SSL / SSH and HTTPS tunneling to protect user data as it flows between a remote server and Power BI over the Internet. Tunneling allows you to send communications securely between machines.

ANSI SQL-92 standard support for cloud services

Devart ODBC drivers address one of the major challenges of retrieving data from email marketing, CRM, accounting and other cloud applications into Power BI: their lack of adequate API support for SQL-92 standard SQL commands. Our drivers are designed to get the most out of cloud service APIs.

Why pick Devart ODBC Drivers for Power BI?

Fully Unicode-compliant ODBC drivers

Fully Unicode-compliant ODBC drivers

Unicode is the universal standard for encoding characters in most languages. Our ODBC drivers provide a Unicode-compliant way to work with strings and characters in databases: they are capable of mapping Unicode function calls and string data types to ANSI encoding.

All major versions of data stores are supported

All major versions of data stores are supported

Our ODBC drivers can be used to interact and perform SQL CRUD operations on popular traditional databases and cloud services from Power BI, such as MySQL, Oracle, PostgreSQL, Salesforce, or Mailchimp.

Regular feature update rollouts and timely bug fixes

Regular feature updates and timely bug fixes

We frequently release new versions of ODBC drivers with new capabilities or enhancements for already existing features. Changes and new features are added to the roadmap based on customer feedback. Bug fixes and minor improvements are released as nightly builds to resolve issues in a timely fashion.

Strict compliance with Microsoft ODBC 3.51 Specification

Strict compliance with Microsoft ODBC 3.51 Specification

Our ODBC drivers provide full support for the standard Open Database Connectivity API functions and data types. ODBC interface allows Power BI to connect to ODBC databases using the SQL language. Additionally, we have designed Advanced Connection String parameters that implement different types of behavior.

Exceptional SQL query performance and bulk updates

Exceptional SQL query performance and bulk updates

Our ODBC drivers allow you to perform bulk record update in Power BI in a single update statement while maintaining decent update speed. When you need to update a table with a million of records, you can use a single update operation which significantly reduces execution time compared to row-by-row operations.

Team of expert support engineers and community of developers

Team of expert support engineers and community of developers

Contact our friendly knowledgeable support team for assistance if have any questions about using our ODBC drivers with Power BI, or join our forum to discuss anything related to the database application development with other professional developers.

Connect Power BI to your data source with our ODBC connectors

Our drivers provide Direct access to your databases and clouds from Power BI, which eliminates the use of database client libraries, simplifies the deployment process, and extends your application capabilities.

View all drivers

Choose Devart ODBC driver for your data source

You can try out any of these for free

Sours: https://www.devart.com/odbc/powerbi/
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Chris Webb's BI Blog

A few weeks ago I received a great tip from Simon Nuss about a Power Query feature relating to ODBC data sources that I hadn’t seen before (although it’s in Power BI Desktop and Excel 365, so it can’t be that new) and which is potentially important for the performance of data refresh and of the Power Query Editor’s preview pane. It’s only visible if you click “Advanced options” when creating your ODBC data source:


It’s the “Supported row reduction clauses” option:


What does it do? Well, first of all let’s see what happens if you don’t set it. Let’s say you have an ODBC data source that uses the Microsoft ODBC Driver for SQL Server to connect to the Adventure Works DW database. If you create a new query that uses this data source to get the contents of the DimDate table it works pretty much as you’d expect; here’s the M code:

let Source = Odbc.DataSource( "dsn=Test SQL", [HierarchicalNavigation=true] ), #"Adventure Works DW_Database" = Source{ [Name="Adventure Works DW",Kind="Database"] }[Data], dbo_Schema = #"Adventure Works DW_Database"{ [Name="dbo",Kind="Schema"] }[Data], DimDate_Table = dbo_Schema{[Name="DimDate",Kind="Table"]}[Data] in DimDate_Table


However, if you look in Profiler when the contents of the Preview window is refreshed, you’ll see that the Power Query engine is running a query that gets the entire contents of the table:


Obviously, if you are connecting to a big table this could make the Power Query Editor slow. What’s more, as this blog post shows, the Power Query Editor only actually wants to display 1000 rows and the fact that the query is requesting all the rows from the table suggests that even basic query folding is not happening on this ODBC data source.

Now let’s see what happens if you do select something from the “Supported row reduction clauses” dropdown. As the screenshot above shows, there are four values in the dropdown that relate to the form of SQL supported by your ODBC source to only get the first N rows from a table. If you don’t know which one to choose you can click the Detect button and it will select one for you. In this case I selected TOP:


Having done this, when you connect to the same DimDate table, you’ll see that now the Power Query Editor is only requesting the top 1000 rows from the table:


Also, if you look at the M code for the query, the Odbc.DataSource function has the as-yet undocumented SqlCapabilities option set in its second parameter,

Odbc.DataSource( "dsn=Test SQL", [HierarchicalNavigation=true, SqlCapabilities=[LimitClauseKind=LimitClauseKind.Top] ] )

Actually it’s not quite undocumented because it is mentioned here as something that is only available if you’re using Odbc.DataSource in a custom connector; obviously things have changed.

Setting this option can make a big difference to the responsiveness of the Power Query Editor when you’re working with large tables and/or slow data sources – I saw this myself this week when working with one of my customers. It’s also going to be important if you use the Keep Rows/Keep Top Rows button on the ribbon or the Table.FirstN() M function; I suspect there are other, more obscure, reasons why it might speed refresh up even if you aren’t filtering the rows of the table but I’m not 100% sure.

One last thing to mention is that there is another undocumented function which is what, I think, the Detect button in the screenshots above uses to find out how to set the SqlCapabilities option. It’s called Odbc.InferOptions and it can be used like so:

Odbc.InferOptions("dsn=Test SQL")

This function returns a record containing a field called LimitClauseKind that tells you the type of limit clause that is supported:



Here’s a list of the possible LimitClauseKind values I found using #shared:


Like this:


Sours: https://blog.crossjoin.co.uk/2019/01/04/odbc-power-bi-power-query-refresh-performance/
OLE DB or ODBC error: Exception from HRESULT: 0x80040E1D - Power bi Refresh Error

Connect to data by using Power BI Desktop generic interfaces

You can connect to a multitude of different data sources in Power BI Desktop, using built-in data connectors that range from Access databases to Zendesk resources, as shown in the Get Data window. You can also connect to all sorts of other data sources to further expand your connectivity options, by using the generic interfaces (such as ODBC or REST APIs) built into Power BI Desktop.

Screenshot of the Get Data dialog, showing the O D B C selection.

Power BI Desktop data interfaces

Power BI Desktop includes an ever-growing collection of data connectors that are built to connect to a specific data source. For example, the SharePoint List data connector provides specific fields and supporting information during the connection sequence that are designed for SharePoint Lists, which is the case with other data sources found in the window that appears when you select Get data > More... from the Home ribbon.

In addition, Power BI Desktop lets you connect to data sources that aren't identified in the Get Data lists, by using one of the following generic data interfaces:

  • ODBC
  • OLE DB
  • OData
  • R Scripts

By providing the appropriate parameters in the connection windows that these generic interfaces provide, the world of data sources you can access and use in Power BI Desktop grows significantly.

In the following sections, you can find lists of data sources that can be accessed by these generic interfaces.

Can't find the data source you wanted to use with Power BI Desktop? Submit your idea to the Power BI team's list of ideas and requests.

Data sources accessible through ODBC

The ODBC connector in Power BI Desktop lets you import data from any third-party ODBC driver simply by specifying a Data Source Name (DSN) or a connection string. As an option, you can also specify a SQL statement to execute against the ODBC driver.

Screenshot of the O D B C connector dialog, showing the D S N and Advanced options.

The following list details a few examples of data sources to which Power BI Desktop can connect by using the generic ODBC interface.

Data sources accessible through OLE DB

The OLE DB connector in Power BI Desktop lets you import data from any third-party OLE DB driver simply by specifying a connection string. As an option, you can also specify a SQL statement to execute against the OLE DB driver.

Screenshot of the O L E D B connector dialog, showing the Connection string and Advanced options.

The following list details a few examples of the data sources to which Power BI Desktop can connect by using the generic OLE DB interface.

Data sources accessible through OData

The OData connector in Power BI Desktop lets you import data from any OData URL simply by typing in or pasting the OData URL. You can add multiple URL parts by typing or pasting those links in the text boxes provided in the OData feed window.

Screenshot of the OData Feed dialog, showing the U R L parts and preview fields.

The following list details a few examples of the data sources to which Power BI Desktop can connect by using the generic OData interface.

Power BI Desktop generic connectorExternal data sourceLink for more information
ODataComing soonCheck back soon for OData data sources

Data sources accessible through REST APIs

You can connect to data sources using the REST APIs and thereby use data from all sorts of data sources that support REST.

Screenshot of the Query dialog, showing the data sources.

The following list details a few examples of the data sources to which Power BI Desktop can connect by using the generic REST APIs interface.

Data sources accessible through R Script

You can use R scripts to access data sources, and use that data in Power BI Desktop.

Screenshot of the R Script dialog, showing the execution script.

The following list details a few examples of the data sources to which Power BI Desktop can connect by using the generic R scripts interface.

Next steps

There are all sorts of data sources you can connect to using Power BI Desktop. For more information on data sources, check out the following resources:

Sours: https://docs.microsoft.com/en-us/power-bi/connect-data/desktop-connect-using-generic-interfaces

Bi odbc power


  • 3 minutes to read


Release StateGeneral Availability
ProductsPower BI (Datasets)
Power BI (Dataflows)
Power Apps (Dataflows)
Dynamics 365 Customer Insights
Analysis Services
Authentication Types SupportedDatabase (Username/Password)
Default or Custom
Function Reference DocumentationOdbc.DataSource


Some capabilities may be present in one product but not others due to deployment schedules and host-specific capabilities.


Before you get started, make sure you've properly configured the connection in the Windows ODBC Data Source Administrator. The exact process here will depend on the driver.

Capabilities Supported

  • Import
  • Advanced options
    • Connection string (non-credential properties)
    • SQL statement
    • Supported row reduction clauses

Connect to an ODBC data source from Power Query Desktop

To make the connection, take the following steps:

  1. Select the ODBC option in the Get Data selection.

  2. In From ODBC, select the data source name (DSN) from the Data source name (DSN) drop-down box. In this example, a DSN name of SQL Server Database was selected.

    ODBC connection builder in Power Query Desktop.

    You can also choose Advanced options to enter more optional connection information. More information: Connect using advanced options

  3. Once you're done, select OK.

  4. If this is the first time you are connecting to this database, select the authentication type and input your credentials when prompted.

    ODBC authentication in Power Query Desktop

    The authentication types available are:

    • Default or Custom: Select this authentication type when you don't specify any credentials if you're using DSN configured with a username and password. Or, if you need to include credentials as connection string properties.
    • Windows: Select this authentication type if you want to connect using Windows authentication. Optionally, include any connection string properties you need.
    • Database: Select this authentication type to use a username and password to access a data source with an ODBC driver. Optionally, include any connection string properties you need. This is the default selection.

    More information: Authentication with a data source

  5. Once you are done, select Connect.

  6. In the Navigator, select the database information you want, then either select Load to load the data or Transform Data to continue transforming the data in Power Query Editor.


Connect to an ODBC data source from Power Query Online

To make the connection, take the following steps:

  1. From the Data sources page, select ODBC.

  2. In the ODBC page, enter your ODBC connection string. In this example, the connection string is .

    Image of ODBC page, with the connection string set to the SQL Server database

  3. If needed, select an on-premises data gateway in Data gateway.

  4. Choose the authentication kind you'll use to sign in, and then enter your credentials.

  5. Select Next.

  6. In the Navigator, select the database information you want, and then select Transform data to continue transforming the data in Power Query Editor.

Connect using advanced options

Power Query provides a set of advanced options that you can add to your query if needed.

ODBC advanced options

Advanced optionDescription
Connection string (non-credential properties)Provides an optional connection string that can be used instead of the Data source name (DSN) selection in Power BI Desktop. If Data source name (DSN) is set to (None), you can enter a connection string here instead. For example, the following connection strings are valid: dsn=<myDSN> or driver=<myDriver>;port=<myPortNumber>;server=<myServer>;database=<myDatabase>;. The characters can be used to escape special characters. Keys for connection strings will vary between different ODBC drivers. Consult your ODBC driver provider for more information about valid connection strings.
SQL statementProvides a SQL statement, depending on the capabilities of the driver. Ask your vendor for more information, or go to Import data from a database using native database query.
Supported row reduction clausesEnables folding support for Table.FirstN. Select Detect to find supported row reduction clauses, or select from one of the drop down options (TOP, LIMIT and OFFSET, LIMIT, or ANSI SQL-compatible). This option is not applicable when using a native SQL statement. Only available in Power Query Desktop.


View all page feedback

Sours: https://docs.microsoft.com/en-us/power-query/connectors/odbc
OLE DB or ODBC error: Exception from HRESULT: 0x80040E1D - Power bi Refresh Error

Importing SQL Server Data into Power BI Through an ODBC Connection

Power BI is a polular business intelligence solution which is comprised of services, apps, and connectors that allow you to pull in raw data from various sources and create meaningful reports. To connect Power BI to a data source such as SQL Server, you can use a corresponding ODBC driver.

This tutorial explores how to connect to SQL Server and import data into Power BI Desktop using an ODBC driver. It is assumed that you have already installed and configured a DSN for ODBC driver for SQL Server.

  1. Run Power BI Desktop and click Get Data.
  2. Select the Other category in the Get Data dialog box, then select ODBC. Click Connect to confirm the choice.
  3. In the From ODBC dialog box, expand the Data Source Name (DSN) drop-down list and select the previously configured DSN for SQL Server
  4. If you would like to enter a SQL statement to narrow down the returned results, click the Advanced options arrow, which expands the dialog box, and type or paste your SQL statement.
  5. Click OK. If your data source is password-protected, Power BI will prompt you for user credentials. Type your Username and Password in the respective fields and click.
  6. Now you should see the data structures in your data source. You can preview the contents of the database objects by clicking on them.
  7. To load the SQL Server data into Power BI for analysis, select the needed table and click Load.
Sours: https://www.devart.com/odbc/sqlserver/docs/powerbi.htm

You will also be interested:

There are plenty of ODBC drivers, both open source and commercial, for almost any data source. For users who are not familiar with the ODBC technology, I’ll briefly explain what it is: ODBC is a standard application programming interface that allows applications such as Power BI, Microsoft Excel, and hundreds of other apps that support ODBC connectivity, to access data in various databases and cloud applications. By cloud applications, I mean the likes of MailChimp, Salesforce, BigCommerce, etc. The driver serves as an intermediary between the data source and the application you want to pull the data into, and is really easy to install and configure. 




I’ll show you how to load data from the PostgreSQL database into Power BI with the help of the corresponding ODBC driver, but the steps covered here are almost the same for other databases, feel free to replicate them for other data sources.  For the purpose of this post, I’ve created a ‘cars’ table in my Postgres database and populated it with mock data. 


In Power BI Desktop, click Get Data, then select Other > ODBC category. Click Connect.




In the From ODBC dialog box, expand the Data Source Name (DSN) drop-down list and select the DSN that you’ve configured for your data source. Optionally, you can enter a SQL statement to execute against the ODBC driver in the Advanced options -- for example, if you want to filter or sort the data in the table rather than to load the entire dataset. Click OK.  If your data source is password-protected, Power BI will prompt you for the username and password. Type them into the respective fields and click OK. 




With the above SQL statement executed, I’ve received only one record in the results.




If I don’t specify any SQL statement, Power BI will retrieve the metadata from the Postgres database and offer you to select the table to load. You can preview the data by selecting the needed table.




Click Load to import the data into Power BI to work on it. Power BI doesn’t display the loaded data in a grid by default, it only creates models and identifies relationships in the data, which it caches in-memory for reports. 


Let’s say we want to create a line and stacked column chart that will display how many car models each manufacturer has in our database. In the right pane, select the needed columns - id, manufacturer, and model, and the needed chart type. 




As a result, we get the following chart, we get the following chart.




An ODBC driver takes over the task of data retrieval, allowing you to concentrate on the data analysis. 


Sours: https://community.powerbi.com/t5/Community-Blog/How-to-Connect-to-an-ODBC-Data-Source-From-Power-BI/ba-p/960701

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