Visual schema is a tool to create ER Diagram automactially from SQL file which includes DDL to create/alter table,create index.

The layout is pretty good if there are lots of tables.Currently, It support the SQL dialects of Oracle, MSSQL, MySQL and MS Access.The output format includes: Png, Jpg, Gif, and PostScript.It will support to fetch schema information from database and draw ER Diagram automatically in later version.