Hiro Sakuno
BI Engineer & AI Automation Developer
Explore My Work
Explore projects involving SQL, Power BI, and AI agents that transform natural language into business intelligence.
Power BI Dashboards
Interactive business intelligence solutions that turn complex data into clear, actionable insights
AI Integration
Your personal AI-powered assistant.
RAG NL-to-SQL Architecture
How the AI agent translates natural language into database insights
User Input
“Who were the top 10 customers by Net Revenue last month?”
n8n Router Agent
The agent analyzes the user’s intent and retrieves the most relevant database metadata using similarity search.
Contextual RAG
Relevant table schemas, business rules, and relationships are injected into the LLM to improve SQL accuracy.
SQL Execution
The agent dynamically generates and executes secure SQL queries on the Supabase data platform.
Business Insight
The result executed and translated into a clear answer that non-technical stakeholders can understand.