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Ask Your Database Questions in Plain English

Stop writing complex SQL queries. Just ask questions like "What were our top-selling products last month?" and get instant answers. No SQL knowledge required.

Natural Language Query Demo

What is our customer retention rate for Q3 compared to Q2?

Generated SQL:

SELECT
  COUNT(DISTINCT customer_id) as retained_customers,
  COUNT(DISTINCT CASE WHEN first_purchase <= '2025-07-01' THEN customer_id END) as total_previous_customers,
  ROUND(COUNT(DISTINCT customer_id) * 100.0 /
    COUNT(DISTINCT CASE WHEN first_purchase <= '2025-07-01' THEN customer_id END), 2) as retention_rate
FROM customers
WHERE ...

Query executed in 0.3s → Retention rate: 78.5%

How Natural Language Query Works

Entendo's AI understands your question, analyzes your database schema, and generates accurate SQL queries in seconds.

1. Connect Your Data

Connect your database once. Entendo automatically analyzes your schema, tables, and columns to understand your data structure.

2. Ask in Natural Language

Simply type your question in plain English. You can ask simple questions or complex analytical queries with aggregations, joins, and filters.

3. Get Instant Results

Entendo generates SQL, executes it, and returns results with beautiful charts. Review the generated SQL for complete transparency.

Powerful NL2SQL Features

Context-Aware AI

Our AI understands your database schema, table relationships, and column meanings. Ask follow-up questions and get progressively deeper insights.

SQL Transparency

Every generated SQL query is displayed for your review. Build trust in the AI by understanding exactly what SQL is being executed against your data.

Complex Query Support

Handle complex analytical queries with multiple JOINs, subqueries, window functions, CTEs, and aggregations. The AI handles complexity with ease.

Query History

Never lose a question. Access your entire query history, re-run past queries with one click, and build a library of valuable analyses.

AI Suggestions

Get intelligent follow-up question suggestions based on your current analysis. Discover insights you didn't know you needed.

Multi-Language Support

Ask questions in multiple languages. The AI understands context regardless of the language you use for your question.

Who Uses Natural Language Query?

Business Analysts

Get answers without waiting for IT. Explore data freely and generate reports instantly.

Sales Teams

Track performance, analyze trends, and identify opportunities — all through simple questions.

Finance Teams

Generate financial reports, analyze metrics, and extract insights without SQL expertise.

Marketing Teams

Analyze campaign performance, customer behavior, and ROI without depending on data teams.

Frequently Asked Questions

What is natural language query (NL2SQL)?

Natural language query (NL2SQL) is a technology that converts plain English questions into SQL queries. Instead of writing SQL code, you simply type your question in natural language and the AI generates the corresponding SQL query. Entendo supports this for PostgreSQL, MySQL, SQL Server, Oracle, and CSV/Excel files.

Do I need SQL knowledge to use Entendo?

No! Entendo is designed for non-technical users. You can ask questions in plain English and our AI will generate the SQL queries for you. No SQL knowledge or programming experience is required.

How accurate is the SQL generation?

Entendo achieves 85%+ SQL accuracy. Our AI understands database schema, context, and complex analytical questions. You can always review and audit the generated SQL before execution.

Can I see the generated SQL?

Yes! Entendo displays the generated SQL for complete transparency. You can review, modify, and understand exactly what queries are being executed against your database.

What databases does Entendo support?

Entendo supports PostgreSQL, MySQL, SQL Server, Oracle, and CSV/Excel file uploads. We're continuously adding support for more data sources.

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