NL to SQL – AI-Powered Data Query Assistant
Tech Stack: Next.js, Express.js, PostgreSQL, Prisma, Stripe, OpenAI, Gemini, Tailwind CSS
• Built an AI-powered chatbot that converts natural language questions into SQL queries, returning results as interactive
tables and charts.
• Implemented database schema explorer and chat history to improve usability and context retention.
• Added authentication, subscription tiers, and Stripe billing integration with support for free and paid query limits.
• Integrated multiple AI providers (OpenAI & Gemini) for flexible and accurate query generation.
01 Aug 2025
