# Database Visualization

Instant database schema diagrams from a single query

ChartDB is an open-source database diagramming tool that converts SQL queries into instant visual entity-relationship diagrams. It supports PostgreSQL, MySQL, SQL Server, MariaDB, SQLite, CockroachDB, and ClickHouse, enabling database engineers to visualize schemas, plan migrations, and generate DDL scripts across different SQL dialects using AI assistance. Available as a free cloud app at chartdb.io or self-hosted via Docker deployment.

Auto-generates interactive ER diagrams from database schemas

Liam ERD automatically generates beautiful, interactive entity-relationship diagrams from existing database schemas. It supports Rails schema.rb, PostgreSQL, Prisma, and raw SQL — with zero configuration required. A web version handles public repos instantly, while the CLI processes private repositories with CI/CD integration for keeping documentation in sync.

Visual database designer with Git-integrated schemas

DbSchema is a visual database designer supporting 80+ SQL and NoSQL databases that features Git integration for schema version control, interactive HTML documentation generation, and AI-assisted query building. It provides the best visual approach to designing and maintaining database schemas in a version-controlled environment, bridging the gap between visual design and code-managed infrastructure.