Database Schema

Users

Attribute Name	Attribute Type	Constraints
id	integer	Primary Key, Not Null
user_name	varchar	Not Null, Unique, 20 chars or less
display_name	varchar	Not Null, 30 chars or less
email	varchar	Not Null, Unique, 50 chars or less
hashed_password	string.binary	Not Null
createdAt	datetime	Not Null
updatedAt	datetime	Not Null

Model Associations:

• Unique index on [user_name, display_name, email]
• Sequelize hasMany Passport association.

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Passports

Attribute Name	Attribute Type	Constraints
id	integer	Primary Key, Not Null
name	varchar	not null, 30 chars or less
user_id	integer	Foreign Key, Not Null
passport_status	string	Not Null
createdAt	datetime	Not Null
updatedAt	datetime	Not Null

Model Associations:

• user_id references Users table.
• Sequelize hasMany Stamps association
• Sequelize belongsTo Users association

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Stamps

Attribute Name	Attribute Type	Constraints
id	integer	Primary Key, Not Null
passport_id	integer	Foreign Key, Not Null
countries_id	integer	Foreign Key, Not Null
tags_id	integer	Foreign Key, Not Null
name	varchar	Not Null, 30 chars or less
detailed_location	string	Not Null
dates	datetime	Not Null
price	string	Not Null
review	text	Not Null
rating	integer	Not Null
createdAt	datetime	Not Null
updatedAt	datetime	Not Null

Model Associations:

• passport_id references Passports table.
• countries_id references Countries table.
• tags_id references Stamps_Tags table.
• Sequelize belongsTo Passports association.
• Sequelize belongsTo Countries association.
• Sequelize belongsTo Stamps_Tags association.

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Countries

Attribute Name	Attribute Type	Constraints
id	integer	Primary Key, Not Null
name	string	Not Null, Unique
createdAt	datetime	Not Null
updatedAt	datetime	Not Null

Model Associations:

• Sequelize hasMany Stamps association.

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Stamp Tags

Attribute Name	Attribute Type	Constraints
id	integer	Primary Key, Not Null
name	varchar	Not Null
createdAt	datetime	Not Null
updatedAt	datetime	Not Null

Model Associations:

• Sequelize hasMany Stamps association.

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Diagram Visual