Consider a relational database management system (RDBMS) such as we have discussed in class, specifically: PostgreSQL, MySQL (open source or commercial), IBM's DB2, Oracle RDBMS or Microsoft SQL Server. On a SINGLE sheet of paper, detail the classification of ONE of these systems (specified at the top). Remember we detailed the classification of database management systems at the
end of week one as: Data model, Number of users, Number of sites, Cost (a rough estimate is fine,Types of access path options and General or special-purpose. Provide citations of where you got your information (Wikipedia is acceptable as a citation).