Database Connections
Connect your databases to 42Cells to start querying and analyzing your data.
Supported Databases
| Database | Status | Guide |
|---|---|---|
| PostgreSQL | ✅ Supported | Setup Guide |
| MySQL | ✅ Supported | Setup Guide |
Need a different database? Request it here.
Quick Start
- Go to Connections in the sidebar
- Click New Connection
- Select your database type
- Enter your connection details
- Click Test Connection to verify
- Save the connection
Using Connections
Connections are used in both notebooks and conversations:
- In notebooks — select a connection when creating SQL cells. Each cell can query a different database.
- In conversations — choose which connections (and tables) the agent can access per conversation. The agent can also join data across connections using derived queries.
The Connection Explorer lets you browse tables, columns, and preview data — helping the AI agent understand your schema.
Security
- Credentials encrypted at rest
- Connections scoped to your organization
- We recommend read-only database users