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EDMX File - What is an .edmx file and how do I open it?
Learn about .EDMX files and view a list of programs that open them.
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Overview
What is an EDMX file? Data model file created by the Entity Data Model Designer component of Microsoft Visual Studio; stores the schema for a database, including entities (e.g., database tables), their fields, and their relationships (e.g., one-to-one and one-to-many).
More Information EDMX files are used for generating SQL Server database schemas. They contain three metadata files: 1) the conceptual schema definition language (CSDL) file, 2) the store schema definition language (SSDL) file, and 3) the mapping specification language (MSL) file. NOTE: To create EDMX files, you need a version of Visual Studio that includes the ADO.NET Entity Data Model Designer.
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DeveloperMicrosoft
Popularity3.3 | 4 Votes
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.EDMX File Extension
ADO.NET Entity Data Model Designer File
| Developer | Microsoft |
| Popularity |
3.3 | 4 Votes |
What is an EDMX file?
Data model file created by the Entity Data Model Designer component of Microsoft Visual Studio; stores the schema for a database, including entities (e.g., database tables), their fields, and their relationships (e.g., one-to-one and one-to-many).
More Information
EDMX files are used for generating SQL Server database schemas. They contain three metadata files: 1) the conceptual schema definition language (CSDL) file, 2) the store schema definition language (SSDL) file, and 3) the mapping specification language (MSL) file.
NOTE: To create EDMX files, you need a version of Visual Studio that includes the ADO.NET Entity Data Model Designer.
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Programs that open or reference EDMX files
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Microsoft Visual Studio 2022
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Category: Developer Files
Updated: July 9, 2010