SchemaCrawler

SchemaCrawler

SchemaCrawler is an open-source database schema discovery and comprehension tool. It can be used to search for database schema objects like tables, columns, views, and foreign keys and automatically generate Entity-Relationship diagrams.
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database schema discovery comprehension diagram entityrelationship

SchemaCrawler: Open-Source Database Schema Discovery Tool

Discover database schema objects and generate Entity-Relationship diagrams with SchemaCrawler, an open-source tool used for schema comprehension and exploration.

What is SchemaCrawler?

SchemaCrawler is an open-source Java command-line tool and API that allows you to easily search, comprehend, and document database schemas. Some key features include:

  • Retrieve details about database tables, columns, indexes, constraints, views, routines, etc.
  • Supports major databases like Oracle, SQL Server, DB2, Sybase, MySQL, etc.
  • Generates Entity Relationship (ER) diagrams from schema metadata
  • Outputs schema details to text, HTML, JSON, XML, etc.
  • Has a well-documented API for customization and integration
  • Actively developed and maintained on GitHub

SchemaCrawler can help developers, DBAs, and data architects search for objects in large schemas, visualize table relationships, document schemas, autogenerate change scripts, and more. Its simple command line interface along with customizable output formats make it a versatile tool for both interactive exploration and automation scripts.

SchemaCrawler Features

Features

  1. Discovers database schema objects
  2. Generates entity relationship diagrams
  3. Analyzes metadata like column data types and sizes
  4. Generates schema documentation
  5. Supports many databases like Oracle, MySQL, PostgreSQL, SQL Server, DB2, etc.

Pricing

  • Open Source

Pros

Open source and free to use

Works across multiple database platforms

Automates schema discovery and documentation

Simple and easy to use

Helps understand large and complex database schemas

Cons

Limited to schema discovery, not a full database administration tool

Basic command line interface, no GUI

Lacks some advanced/enterprise database support

Documentation can be technical for non-developers


The Best SchemaCrawler Alternatives

Top Development and Database Tools and other similar apps like SchemaCrawler

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Dataedo

Dataedo is a database documentation and modeling tool used by developers, DBAs, and data analysts to visualize, analyze, and document SQL databases. Its key features include:Automatic database discovery and visualization as entity relationship diagramsGenerating detailed data dictionaries and documentation for database schemasMapping data structures during migrations between databases or modelsCollaborative...
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DbSchema

DbSchema is an open-source database diagram and documentation tool for modeling, visualizing, and documenting database schemas. It supports over 30 database platforms including MySQL, PostgreSQL, SQL Server, Oracle, and more.Key features of DbSchema include:Intuitive visual interface for designing and modeling database structuresAbility to import schemas from existing databases or SQL...
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