When comparing SchemaCrawler vs Model Xtractor, the Slant community recommends SchemaCrawler for most people. In the question“What are the best database design programs?” SchemaCrawler is ranked 9th while Model Xtractor is ranked 14th. The most important reason people chose SchemaCrawler is:
The text-based output serves for database documentation, and is designed to be diff-ed against other database schemas.
Specs
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Pros
Pro Many options for output formats in addition to graphical
The text-based output serves for database documentation, and is designed to be diff-ed against other database schemas.
Pro Extensive and detailed documentation online
Including visuals of the results of command-line option usage.
Pro Free
Pro Complete diagrams
Generates complete diagrams of a database with one click.
Pro Lightweight
Only a 5 Mb download.
Pro Multiple databases
Supports multiple databases: Oracle, SQL Server, PostgreSQL, MySQL, Azure, Amazon Redshift, SQLite and Firebird.
Pro Easy
Very user friendly.
Cons
Con Need Java
Con Does not work with schema dumpfiles
SchemaCrawler has no methods for dealing with when you only have a schema generated via something like (mysqldump --no-data [options] >schema-only_dump.sql) , and do not currently have access to a live database to connect with.
Con Driver download
Some database drivers need to be installed manually, e.g. for PostgreSQL the Npgsql MSI installer.