I have a large database that is used for many different things--customers billing product details--and would like to create a chart that has a separate table for each sub-schema with field-to-field links between the tabs.
EX: my customer schema has 10 tables on tab 1. Table 3 has the FK for Product ID. I want to link that to the Product ID in the Product table on tab 3 (Products).
For a smaller database I would just use one chart but this database has 100+ tables that represent the 4 areas (customer product locations and invoicing). I need to show how the data flow works for each area and between the areas so that it can be used by everyone who needs to integrate with the system.
ERD for Database with Multiple Schemas
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