Hi Team
I am having total 15 years + experience in different database administration like Oracle, Mysql, Mariadb, PostgreSQL, couch Db , Cassandra , nosql etc. I had worked from DB design part to implementation of total project in e2e level. I am having knowledge on design of ER diagram using different tools like sql data modeller, Toad, Microsoft Visio, ERDPlus etc . You can have a discussion with me to get more idea on this . I can deliver your work on provided timeline