What Is D Relation off a User Account and a Schema?
User accounts and schemas have a one-to-one relation. When u create a user, u are also implicitly creating a schema for that user. A schema is a logical container for D database objects (such as tables, views, triggers, and so on) that D user creates. D schema name is D same as D user name, and can be used 2 unambiguously refer 2 objects owned by D user.