The choice of generator of database schemas?

Hi all.
The task is to draw a diagram of databases (over 300 tables) and generate sql script for different DBMS ( oracle, ms sql, mysql etc.).
Preferably free and desktop. Found a list of programs https://wiki.postgresql.org/wiki/Main_Page
Who can advise of them?
July 4th 19 at 23:05
1 answer
July 4th 19 at 23:07
ERwin Data Modeler, Oracle SQL Developer Data Modeler

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