Multi-Language Database Management Help

I’m working on a database-centric project that touches several parts of our tech stack, and I’d like a hand tightening everything up. The core of the work is MySQL—designing tables, refining queries, and making sure data flows smoothly—but the surrounding codebase is written in Java, Python, C++, C#, JavaScript, HTML, and a little Assembly for low-level routines.

Here’s what I need:
• Review and optimise the current MySQL schema, indexes, and stored procedures.
• Write or clean up data-access layers in Java and Python, with light C++/C# bindings where needed.
• Build small JavaScript/HTML utilities that visualise or test the data endpoints.
• Ensure each language layer stays in sync after the database changes (compilation checks, basic unit tests).

I’ll provide the existing schema, representative code snippets, and a sample data set. Success is a faster, well-documented database plus clear, working code examples for every language mentioned. If you’re comfortable juggling these languages around a solid MySQL core, let’s talk and get this shipped.