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JavaScript Running In Your Oracle DB!

On the 15th of May SWEOUG will host a Meetup about the Database Multilingual Engine(MLE). We have invited people from Oracle Labs to Stockholm for a 2-3 hours presentation about this topic.


In Oracle 12c, the Oracle Database Multilingual Engine (MLE) was introduced.

Basically MLE makes it possible to run stored procedures and user-defined functions written in JavaScript and TypeScript.

With MLE you can easily deploy and run your JavaScript functions within the Oracle database. Oracle Labs are working on extending multilingual support to include other languages like Python. MLE is built on top of GraalVM.

Useful links and resources:

Announcing GraalVM version 1.0

Oracle Labs (@oraclelabs) | Twitter

Developer community

Docker image on github

Oracle official documentation

YouTube: CodeTalk 2017 Oracle Database Multilingual Engine JavaScript IN the Database

Blog: Testing Oracle Multilingual Engine Blog: Javascript in the Oracle DB

Blog: Oracle Database Multilingual Engine a performance test

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