Users and Schemas

When you interact with an Oracle database, you do so with a given identity that can take certain actions. This identity is represented by an Oracle user. The actions the user takes occur within a subsection of the database that can have database objects associated with it. This subsection is known as a schema.

The Oracle HR Schema contains Human Resources data for a fictional company. The tables and data provide an area where you can experiment with Oracle Database features without concern of damaging production data. The tables and relationships are structured in a way that allows for the use of most of the features of SQL. In addition, most of the examples in Oracle's own documentation utilize data from the HR Schema.

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