ExampleDB version 1


Address (table addresses)

Columns

Home, work, etc
Name Type Info
id integer NOT NULL, PRIMARY KEY, AUTO_INCREMENT
person_id integer NOT NULL, FOREIGN KEY
name varchar(64) NOT NULL
 
address1 varchar(128) NOT NULL
address2 varchar(128)
city varchar(64) NOT NULL
state varchar(2) NOT NULL
zip_code varchar(10) NOT NULL

Unique Constraints

NameColumns
primary id

Relationships

belongs_to
Name Foreign Class Join Condition
person Person foreign.id => self.person_id


EmailAddress (table email_addresses)

Columns

Home, work, etc
Name Type Info
id integer NOT NULL, PRIMARY KEY, AUTO_INCREMENT
person_id integer NOT NULL, FOREIGN KEY
name varchar(64) NOT NULL
 
email varchar(128) NOT NULL

Unique Constraints

NameColumns
primary id

Relationships

belongs_to
Name Foreign Class Join Condition
person Person foreign.id => self.person_id


Person (table people)

Columns

Name Type Info
id integer NOT NULL, PRIMARY KEY, AUTO_INCREMENT
name varchar(64) NOT NULL
username varchar(16)
birthdate date NOT NULL, INFLATED

Unique Constraints

NameColumns
primary id
people_username username

Relationships

has_many
Name Foreign Class Join Condition
addresses Address foreign.person_id => self.id
emails EmailAddress foreign.person_id => self.id
phone_numbers PhoneNumber foreign.person_id => self.id


PhoneNumber (table phone_numbers)

Columns

Home, work, etc
Name Type Info
id integer NOT NULL, PRIMARY KEY, AUTO_INCREMENT
person_id integer NOT NULL, FOREIGN KEY
name varchar(64) NOT NULL
 
phone_number varchar(32) NOT NULL

Unique Constraints

NameColumns
primary id

Relationships

belongs_to
Name Foreign Class Join Condition
person Person foreign.id => self.person_id


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