All about DBML Files

The DBML file type is primarily associated with Visual Studio.

DBML	File extension: DBML
	File type:	database schema definition

What is a DBML file?

DBML files mostly belong to Visual Studio by Microsoft. A DBML file contains source code written in Database Markup Language. It defines/documents the schema of a database. dbml2sql is the official command line tool for generating SQL database queries from a DBML file. The table schema of users with an ID and a username will look as follows:


Table users 
id integer
username varchar

DBML is also the filename extension of an XML-encoded database schema written in the Database Markup Language by SQL Server Management Studio and Visual Studio. .NET framework's LINQ (Language Integrated Query) can compile a DBML file into a database query (SQL).

How do you open DBML files?

You need a suitable software like Visual Studio to open a DBML file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your DBML file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a DBML file directly in the browser:. Just drag the file onto this browser window and drop it.

Online DBML Text Viewer

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Online File Viewer

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Programs that open and convert DBML files:

Visual Studio by Microsoft
See the previous paragraphs to learn more about the main application. DBML files are often referred to as Visual Studio developers because this type of file is primarily created or used by this software.
dbml2sql (database schema definition) by Holistics
dbml2sql is a command-line tool for converting a database schema written in DBML (Database Markup Language) to SQL queries. This file format is classified as Developer. Related links: DBML - Database Markup Language
SQL Server Management Studio (database schema definition) by Microsoft
SQL Server Management Studio is an integrated development environment for configuring, monitoring, and managing databases. It leverages .NET framework's LINQ (Language Integrated Query) component to define/document and generate database schemas using a DBML file. This file format is classified as Developer.

Technical Data for DBML File Extension

File classification:

Developer

Related files:

frx, res, pri

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: VWDExpress.ORDesigner.9.0
EXEFile: %ProgramFiles%\Microsoft Visual Studio 9.0\Common7\IDE\VWDExpress.exe

ProgramID: VisualStudio.ORDesigner.9.0
EXEFile: %ProgramFiles%\Microsoft Visual Studio 9.0\Common7\IDE\devenv.exe

ProgramID: VBExpress.ORDesigner.9.0
EXEFile: %ProgramFiles%\Microsoft Visual Studio 9.0\Common7\IDE\vbexpress.exe

a dbml database schema definition is a special file format by Microsoft and should only be edited and saved with the appropriate software.

How to solve problems with DBML files

Associate the DBML file extension with the correct application.
Update your software that should actually open database schema definitions. Because only the current version supports the latest DBML file format. Search, therefore, e.g. on the Microsoft manufacturer website after an available Visual Studio update.
To make sure that your DBML file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .DBML file online - secure, fast, and no downloads needed.