Most of my work involved Oracle Database 12c Release 2, MS SQL server versions from 2000 to 2012, but I have rich experience working with PostgreSQL and MySQL servers on high end projects. My work would normally include working closely with clients to get pretty good picture of what exactly they want to get, what areas are potential performance hits, what is their business process like. Once I get the idea I would normally start with database design: creating tables, indexes, stored procedures, views, functions to meet the development specifications I can also use Microsoft Visual shell for reporting and ETL purposes,Tableau for visualization.