MySQL is not the first open-source relational database supporting Javascript in stored routines, with PLV8 being the most popular Javascript language extension for PostgreSQL.

The JavaScript stored procedures are executed by the GraalVM runtime, which supports both JavaScript and Java. These procedures allow developers to perform certain operations for data in the (MySQL) ...

MySQL-JavaScript also is offered in the MySQL Heatwave cloud service in Oracle Cloud Infrastructure (OCI), AWS, and Microsoft Azure.

MySQL UDFs to work with the Google v8 javascript engine This project provides the code for a MySQL server plugin and a number of MySQL User-defined functions (UDFs) that expose Google's v8 javascript ...

This is a node.js driver for mysql. It is written in JavaScript, does not require compiling, and is 100% MIT licensed. Here is an example on how to use it: ...