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Copy file name to clipboardExpand all lines: powerapps-docs/developer/data-platform/webapi/retrieve-and-execute-predefined-queries.md
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title: "Retrieve and execute predefined queries (Microsoft Dataverse)| Microsoft Docs"
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description: "Microsoft Dataverse provides a way for administrators to create system views that are available to all users. Read how you can compose a predefined query and use FetchXML to create a query string to retrieve table data."
Microsoft Dataverse provides a way for administrators to create system views that are available to all users. Individual users can save the Advanced Find queries for re-use in the application. Both of these represent predefined queries you can retrieve and execute using the Web API. You can also compose a query using FetchXml and use that to retrieve data.
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> [!NOTE]
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> Unlike queries using the OData syntax, data returned from pre-defined queries or fetchXml will not return properties with `null` values. When the value is `null`, the property will not be included in the results.
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When a query is returned using OData syntax, a record will include a property with a `null` value like so:
When retrieved using a pre-defined query or with FetchXml, the same record will not include the `accountnumber` property because it is `null`, like so:
Most programming languages include a function to URL encode a string. For example, in JavaScript you use the [encodeURI](https://www.ecma-international.org/ecma-262/5.1/) function. You should URL encode any request that you send to any RESTful web service. If you paste a URL into the address bar of your browser it should URL encode the address automatically. The following example shows a GET request using the FetchXML shown previously using the entity set path for accounts.
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**Request**
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```http
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GET [Organization URI]/api/data/v9.0/accounts?fetchXml=%3Cfetch%20mapping='logical'%3E%3Centity%20name='account'%3E%3Cattribute%20name='accountid'/%3E%3Cattribute%20name='name'/%3E%3C/entity%3E%3C/fetch%3E HTTP/1.1
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GET [Organization URI]/api/data/v9.0/accounts?fetchXml=%3Cfetch%20mapping%3D%27logical%27%3E%3Centity%20name%3D%27account%27%3E%3Cattribute%20name%3D%27accountid%27%2F%3E%3Cattribute%20name%3D%27name%27%2F%3E%3Cattribute%20name%3D%27accountnumber%27%2F%3E%3C%2Fentity%3E%3C%2Ffetch%3E HTTP/1.1
"@odata.etag":"W/\"502172\"","accountid":"8b390c24-9c72-e511-80d4-00155d2a68d1","name":"Litware, Inc. (sample)"
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},{
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}
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```
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> [!NOTE]
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> Properties with null values will not be included in results returned using FetchXml. In the example above, only the first record returned has an `accountnumber` value.
Copy file name to clipboardExpand all lines: powerapps-docs/guidance/fusion-dev-ebook/04-using-dataverse-as-data-source.md
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ms.service: powerapps
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ms.topic: conceptual
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ms.custom: ebook
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ms.date: 04/26/2021
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ms.date: 05/07/2021
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ms.author: shboyer
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ms.reviewer: kvivek
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---
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# Chapter 4: Using Microsoft Dataverse as the data source
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Maria has built a prototype app by using test data held in Excel workbooks. She can now consider how to connect the app to data sources that will provide real-world data. She has heard about Microsoft Dataverse as an option for doing this, however it isn't an option for VanArsdel because it won't work with their legacy systems and databases. Still, she wants to know more about it.
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Maria has built a prototype app by using test data held in Excel workbooks. She can now consider how to connect the app to data sources that will provide real-world data. She has heard about Microsoft Dataverse as an option for doing this, and wants to know more about it.
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## What is Dataverse?
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You can also define relationships among tables. These relationships can be *many-to-one*, *one-to-many*, or *many-to-many*. In addition, you specify the behavior of the related entities as part of the relationship. The behavior can be:
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-**Referential**, with or without restricted delete. Restricted delete prevents a row in a related table from being removed if it's referenced by another row in the same, or a different, table.
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-**Parental**, in which any action performed on a row is also applied to any rows that it references.
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-**Custom**, which enables you to specify how referenced rows are affected by an action performed on the referencing row.
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-**Referential**, with or without restricted delete. Restricted delete prevents a row in a related table from being removed if it's referenced by another row in the same, or a different, table.
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-**Parental**, in which any action performed on a row is also applied to any rows that it references.
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-**Custom**, which enables you to specify how referenced rows are affected by an action performed on the referencing row.
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The following example shows how to add a one-to-many relationship from the Account table to a custom table named SalesLT Customer. The behavior prevents a customer from being deleted if it's referenced by a row in the Account table.
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The business rules designer supports the following actions:
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-Set column values.
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-Clear column values.
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-Set column requirement levels.
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-Show or hide columns (for model-driven apps only).
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-Enable or disable columns (for model-driven apps only).
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-Validate data and show error messages.
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-Create business recommendations based on business intelligence (for model-driven apps only).
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- Set column values.
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- Clear column values.
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- Set column requirement levels.
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- Show or hide columns (for model-driven apps only).
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- Enable or disable columns (for model-driven apps only).
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- Validate data and show error messages.
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- Create business recommendations based on business intelligence (for model-driven apps only).
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> [!NOTE]
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> [Business rules](/powerapps/maker/data-platform/data-platform-create-business-rule) are best suited to model-driven apps. Not all business rule actions are supported by canvas apps.
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## Why didn't VanArsdel use Dataverse?
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## Maria's decision to use Dataverse
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Dataverse is an excellent choice of repository for many situations. You should seriously consider it for Power Apps development based on new systems and services, especially if you're creating model-driven apps.
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Dataverse is an excellent choice of repository for many situations. You should seriously consider it for Power Apps development based on new systems and services and adding new functionality to existing applications, especially if you're creating model-driven apps.
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However, VanArsdel's current operations are heavily dependent on existing legacy systems and databases. For the time being, VanArsdel wants to focus on getting the apps out into the field rather than spend time migrating to Dataverse. Kiana and Maria, the professional and citizen developers, want to integrate their existing systems and processes into a Power Apps solution for Caleb, the field technician, as quickly as possible. They also want to minimize disruption to the critical operations performed by the receptionist Malik and avoid compromising the security and IT operations managed by Preeti. To achieve this, they'll create a Web API around their existing systems and connect to this Web API from Power Apps. They can then integrate the Web API into their canvas app. The following chapters walk through this process.
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However, in the application that Maria is building, the data already exists in a legacy database. A web API exists that connects to that database to retrieve and modify data and it's deployed in Azure App Service. Those legacy solutions are proven to work and Kiana and her high-code development team are very comfortable supporting those solutions going forward.
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An advantage of fusion development teams and Dataverse is fusion development teams allow members to be their most productive in tools that they already know and are most comfortable with. A team does not need to migrate their existing data to Dataverse immediately to build an app using Power Apps. Likewise, when a team is building an application that requires new data, Dataverse makes a ton of sense as an option. It is not uncommon to see an app built using Power Apps to use a combination of legacy data sources and data in Dataverse.
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When Maria starts to add new functionality to her app, for example having the field technicians add customer visit notes, she expects to use Dataverse to store that data.
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So, for the time being Maria will connect the web API Kiana's team has already developed to her app to obtain the data needed. The following chapters will walk through that process.
Copy file name to clipboardExpand all lines: powerapps-docs/maker/canvas-apps/controls/control-power-bi-tile.md
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- Only the `eq` operator is supported.
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- Field type must be string.
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- Filtering is only available on pinned visualization tiles. It's not supported for pinned reports.
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- R and Python script visuals cannot be filtered.
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You can use computed fields in the Power BI report to convert other value types to string or combines multiple fields into one.
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If the Power BI content doesn't have a title, consider adding a heading using a **[Label](control-text-box.md)** control to support screen readers. You can position the label immediately before the Power BI tile.
Copy file name to clipboardExpand all lines: powerapps-docs/maker/dev-community-plan.md
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* Learn to build business apps and workflows with the full functionality of Power Apps and Power Automate.
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* Connect to any data source by using our 100+ [out of the box connectors](./canvas-apps/connections-list.md) or by creating your own [custom connectors](./canvas-apps/register-custom-api.md).
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* Explore how you can use [the Dataverse](https://docs.microsoft.com/common-data-service/entity-reference/introduction) to build powerful business apps with the common data model and [the SDK](https://aka.ms/eek20s).
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* Explore how you can use [Dataverse](/powerapps/maker/data-platform/data-platform-intro) to build powerful business apps with the common data model and the SDK.
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* Export the solutions you create in your individual environment, and [publish them on Microsoft AppSource](../developer/data-platform/publish-app-appsource.md) so your customers can test-drive them.
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## Who can sign up for the Power Apps Community Plan?
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Anyone with a [work or school account](signup-for-powerapps.md#faq) can sign up for the Power Apps Community Plan. But we especially recommend this plan if you:
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* Want to build skills and learn more about Power Apps, Power Automate, and the Dataverse.
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* Want to build skills and learn more about Power Apps, Power Automate, and Dataverse.
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* Are interested in building business apps and workflows to distribute on Microsoft AppSource.
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## Where can I sign up for the Power Apps Community Plan?
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|**Key features**||
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| Create and run apps |Yes. You can create unlimited apps |
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| Share apps |No<sup>(1)</sup> |
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| Use the Dataverse |Yes |
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| Model your data using the Dataverse |Yes|
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| Use Dataverse |Yes |
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| Model your data using Dataverse |Yes|
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| Enterprise-grade administration of the environment and user policies |Yes |
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|**Connectivity**||
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| Connect to Office 365, Dynamics 365, and other connectors |Yes |
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| Access on‐premises data using an on-premises gateway |Yes |
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| Create custom connectors to connect to your own systems |Yes. You can create unlimited custom connectors |
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|**Common Data Service**||
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| Create and run applications on the Dataverse |Yes |
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| Model your data in the Dataverse |Yes |
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| Create a database in the Dataverse |Yes |
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| Create and run applications on Dataverse |Yes |
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| Model your data in Dataverse |Yes |
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| Create a database in Dataverse |Yes |
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| Create and use dataflows |No |
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|**Management**<sup>(3)</sup> ||
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| Add co-workers as environment makers and admins |No |
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<sup>(1)</sup>You can't share resources such as apps, flows, or connections with any other users from your tenant.
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<br>
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<sup>(2)</sup>Using [premium connectors](https://docs.microsoft.com/connectors/connector-reference/connector-reference-premium-connectors) to connect to the data sources outside Power Apps will require you to have [standalone plans](https://docs.microsoft.com/power-platform/admin/pricing-billing-skus#power-apps-and-power-automate-standalone-plans).
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<sup>(2)</sup>Using [premium connectors](/connectors/connector-reference/connector-reference-premium-connectors) to connect to the data sources outside Power Apps will require you to have [standalone plans](/power-platform/admin/pricing-billing-skus#power-apps-and-power-automate-standalone-plans).
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<br>
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<sup>(3)</sup>You can't add any other user as an environment admin or a maker, or to the database roles from the admin center.
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### Will my Power Apps Community Plan subscription ever expire?
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You can use your Power Apps Community Plan subscription perpetually for free. If you are actively using an individual environment, then you won't lose access to any of the resources or functionality in that environment. You may, however, notice a delay when accessing your Dataverse Database for the first time after a long period of inactivity. This delay does not impact the data or entities stored in the Dataverse.
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You can use your Power Apps Community Plan subscription perpetually for free. If you are actively using an individual environment, then you won't lose access to any of the resources or functionality in that environment. You may, however, notice a delay when accessing your Dataverse Database for the first time after a long period of inactivity. This delay does not impact the data or entities stored in Dataverse.
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### Can I get or create multiple individual environments?
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### Can I delete my individual environment?
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Tenant-level admins have the permissions needed to delete an individual environment through the user interface. An end user can delete an individual environment through a [Power Apps PowerShell admin cmdlet](https://docs.microsoft.com/power-platform/admin/powerapps-powershell#power-apps-cmdlets-for-administrators-preview).
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Tenant-level admins have the permissions needed to delete an individual environment through the user interface. An end user can delete an individual environment through a [Power Apps PowerShell admin cmdlet](/power-platform/admin/powerapps-powershell#power-apps-cmdlets-for-administrators-preview).
Resetting a developer environment is not currently supported; however, it can be deleted. The next time the Community Plan licensed user signs into the Power Apps Maker portal a new developer environment will be created. The user can then provision a Common Database Service database in the environment. At present, the only way to remove the Community Plan from a user is for a tenant-level admin to block all "internal" consent plans in the tenant using PowerShell. See [Block trial licenses commands](https://docs.microsoft.com/power-platform/admin/powerapps-powershell#block-trial-licenses-commands)
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Resetting a developer environment is not currently supported; however, it can be deleted. The next time the Community Plan licensed user signs into the Power Apps Maker portal a new developer environment will be created. The user can then provision a Common Database Service database in the environment. At present, the only way to remove the Community Plan from a user is for a tenant-level admin to block all "internal" consent plans in the tenant using PowerShell. See [Block trial licenses commands](/power-platform/admin/powerapps-powershell#block-trial-licenses-commands)
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