Flexibility of use:
You should notice that the implementation lets you to use the Schema Designer in various ways and it is totally your decision how you will use it. We do not 'impose' anything on you! For instance,
* You can have a single LAYOUT that is complete for a database.
* You may as well have more LAYOUTs for a database. Every table can be added to one, more than one or to no LAYOUTs. There may be tables in a database that are not added to any LAYOUT.
Finally you should also note that,
* The Schema Designer canvas and the SchemaDesign XML file can only contain tables from a single database.
* Currently only TABLES are supported by the Schema Designer - not other database objects like VIEWs and STORED PROCEDURES for instance.
Note: This feature is available in SQLyog Enterprise and Ultimate.