Build queries with FetchXML
Applies To: Dynamics CRM 2015
FetchXML is a proprietary query language that is used in Microsoft Dynamics CRM 2015 and Microsoft Dynamics CRM Online 2015 Update. It’s based on a schema that describes the capabilities of the language. The FetchXML language supports similar query capabilities as query expressions. In addition, it’s used as a serialized form of query, used to save a query as a user-owned saved view in the userquery entity and as an organization-owned saved view in the savedquery entity.
A FetchXML query can be executed by using the IOrganizationService.RetrieveMultiple method. You can convert a FetchXML query to a query expression with the FetchXmlToQueryExpressionRequest message.
For information about how to use LINQPad to work with FetchXML, see this blog post: Getting FetchXML from LINQPad.
For information about a utility that you can use to convert SQL scripts to FetchXML, see SQL2FetchXML Help.
In This Section
Use FetchXML to construct a query
Page large result sets with FetchXML
Fiscal date and "older than" date/time query operators in FetchXML
Use a left outer join in FetchXML to query for records "not in"
Sample: Use aggregation in FetchXML
Sample: Use FetchXML with a paging cookie
Sample: Convert queries between Fetch and QueryExpression
Sample: Validate and execute a saved query
Related Sections
Build queries with LINQ (.NET language-integrated query)
Build queries with QueryExpression
Retrieve records for many-to-many relationships using intersect entities
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