Description of the object browser illustration

This figure shows the HR.Countries table. In the left pane, the tabs arranged vertically are Columns, Dependencies, Constraints, Details, Grants, Indexes, Partition, Statistics and Triggers. The right pane shows a table where the header row consists of the following column names: COLUMN_NAME, DATA_TYPE, NULLABLE, DATA_DEFAULT.

The first row in the table has the following values for the four columns: COUNTRY_ID, CHAR(2 BYTE), No, (null). The second row contains: COUNTRY_NAME, VARCHAR2(40 BYTE), Yes, (null). The third row contains: REGION_ID, NUMBER, yes, (null).