DbSchema offers a free Community Edition and a Pro Edition, which includes advanced features and can be evaluated for free for 30 days. DbSchema offers a range of features in the free edition ...

A properly normalised database can wind up with a lot of small tables connected by a complex network of foreign key references. Like a real-world city, it's pretty easy to find your way around once ...

Another visual tool found in SQLyog is the Schema Designer — this too is simple to use, permitting fast creation of database schema diagrams. Schema canvases can be exported as an image or printed.