Table COUNTRY
This table contains a list of countries. The table is referred to by a foreign key in the CITY table.
Columns
This table contains 3 columns.
COUNTRY_ID
-
INTEGER
·NOT NULL
A surrogate primary key used to uniquely identify each country in the table.
COUNTRY
-
VARCHAR(50)
·NOT NULL
The name of the country.
LAST_UPDATE
-
TIMESTAMP
·NOT NULL
·DEFAULT CURRENT_TIMESTAMP
When the row was created or most recently updated.
Primary key
This table has a primary key.
COUNTRY
-
COUNTRY_ID
Indices
This table has one index.
RDB$PRIMARY5
-
COUNTRY_ID