nl-sql

Architecture + scaffolding for a Retail Analytics Copilot (Local PoC) that turns natural language into validated SQL + VizSpec JSON over DuckDB. This repo mirrors the structure of a challenge dossier I shared: problem framing, system design, NL→SQL, guardrails, MLOps, tenancy.

A chatbot for IIT Patna's academic portal

Ask your database questions in plain English and get back SQL, results, and auto-generated charts — FastAPI + React + Groq, with schema-aware safety checks and self-correcting queries.

Ask a question in plain English, get a plain-English answer — from any database connected through Trino (PostgreSQL, MongoDB, MySQL, and more). The app finds the relevant tables, writes one SQL query, runs it, and turns the result into an answer.