Which MIME types are related to file extension ".prql"?

The .prql file extension is associated with 2 MIME types:

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

About .prql Files

PRQL files are files containing source code written in the PRQL language. They are plain text files used to define database queries in a simpler and more readable format.
The MIME types application/prql and application/x-prql signal that the file holds PRQL query code which can be translated into SQL by a compiler.

Data Querying: Write advanced database queries that compile to standard SQL.
Scripting: Automate data processing tasks using a pipeline-style syntax.
Development: Use in data analytics projects within various development environments.

You can open and edit PRQL files using text editors like Visual Studio Code, Sublime Text, or Notepad++ with appropriate syntax highlighting.
According to FilExt.com, PRQL files are a modern tool for simplifying complex query writing and database interaction.

Relationship between file extension and MIME type

A file extension is a suffix at the end of a filename that indicates what type of file it is. File extensions help both users and operating systems identify what application should be used to open the file.

File extensions are typically separated from the filename by a period (dot) and consist of 2-4 characters, though they can be longer. For example, in the filename "document.pdf", ".pdf" is the file extension.

File extensions are closely related to MIME types, as they both serve to identify the format of a file. However, while MIME types are used primarily by web browsers and servers, file extensions are used by operating systems and applications.

Associated MIME types

application/prql, application/x-prql

FAQs

What is a .prql file used for?

A .prql file contains source code written in PRQL (Pipelined Relational Query Language), which is designed to make writing database queries simpler than standard SQL. These plain text files define data transformation pipelines that are subsequently compiled into SQL queries compatible with databases like PostgreSQL, DuckDB, or MySQL.

How do I open and edit a PRQL file?

You can view and edit .prql files using any standard text editor, such as Notepad++, Sublime Text, or Visual Studio Code. For the best development experience, it is highly recommended to install the official PRQL extension for VS Code, which provides syntax highlighting and automatic SQL compilation.

How can I convert a PRQL file into SQL?

To convert .prql code into SQL, you typically use the PRQL Compiler (prqlc) via the command line or use a plugin within your IDE. The compiler takes the logic defined in the file and translates it into a valid SQL query string for your specific database dialect.

What is the MIME type associated with PRQL files?

The primary media type for PRQL source code is application/prql. In some environments, you may also encounter the experimental type application/x-prql. For further details on configuration, visit mime-type.com.

Can I run a .prql file directly against a database?

Generally, no; most database engines do not understand PRQL natively and require the code to be compiled into SQL first. However, various language bindings (like prql-python or prql-js) allow developers to integrate the compilation step directly into their applications, effectively running PRQL queries on the fly.

Why is my computer asking how to open a .prql file?

Since PRQL is a newer file format, your operating system likely does not have a default application associated with the extension yet. To fix this, right-click the file, select "Open with," and choose a code editor like Visual Studio Code to associate the extension permanently.

General FAQ

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.

MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.

MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.

How do I find the MIME type for a file?

You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.

Why can one extension have multiple MIME types?

Different programs and historical usage may assign various MIME identifiers to the same file format. Listing them together helps maintain compatibility across tools.