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GNU Ferret (formerly known as GerWin) is a free entity relationship and reverse engineering tool. It aids you in creating data models and implementing them in a relational database. You can draw your data model via an entity-relation diagram, generate the tables from it (another graphical diagram), and then generate the SQL that creates such relational tables. Several SQL dialects are supported (for most popular free software database systems) and it is very easy to patch the sources to support more.

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2003-11-11 16:23 Back to release list
0.6

Esta versión incluye la opción de atributo "del / editar", que le lleva a editar un atributo insertado previamente, y un algoritmo de la nueva pintura para el diagrama de la tabla para apoyar a los bucles sobre la migración clave. Las etiquetas con los atributos migran son móviles. Gerwin ahora genera SQL buena soportan claves foráneas, que agrupa a todos los atributos de una tabla de migración que se refiere en una frase ADD FOREIGN KEY. Esto se aplica para el SQL92 formatos de salida, PostgreSQL y MySQL. No ha habido otro cambio en el formato de archivo, para actualizar el existente (0,5). Archivos ger, leer FILE_MIGRATION-0.5 a 0.6.
Tags: Minor feature enhancements
This release adds the attribute option "del/edit", which leads you to
edit a previously inserted attribute, and a new painting algorithm for
the Table Diagram to support loops on key migration. The labels with
the migrated attributes are now movable. GerWin now generates good SQL
to support foreign keys, grouping all the attributes migrated from an
referred table in one ADD FOREIGN KEY sentence. This applies for the
output formats SQL92, POSTGRESQL, and MYSQL. There's been yet another
file format change; to upgrade your existing (0.5) .ger files, read
FILE_MIGRATION-0.5-to-0.6.

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