Database-Design-and-Optimization-Project/database.dbml at master · wonderakwei/Database-Design-and-Optimization-Project · GitHub

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Project AppleDatabase {
  database_type: 'PostgreSQL'
  Note: '''
    # Apple Database
    ### The Apple Database is a relational database designed for managing various aspects of an Apple-related business, covering customer information, product details, orders, employee data, premises, and mailshot campaigns.
  '''
}

Table "customer" {
  "cust_id" INT [pk]
  "c_firstname" VARCHAR(20)
  "c_surname" VARCHAR(20)
  "c_birthdate" DATE
  "c_gender" CHAR(1)
  "c_contact" VARCHAR(15) [not null]

  Indexes {
    (c_surname, c_firstname) [name: "idx_c_name"]
  }
}

Table "apple_account" {
  "apple_id" VARCHAR(30) [pk]
  "cust_id" INT
  "password" VARCHAR(40) [not null]
}

Table "mailshot_campaign" {
  "mailshot_id" CHAR(4) [pk]
  "mailshot_name" VARCHAR(40) [not null]
  "mailshot_start_date" DATE [not null]
  "mailshot_end_date" DATE

  Indexes {
    mailshot_name [name: "idx_mailshot_name"]
  }
}

Table "mailshot_customer" {
  "mailshot_id" CHAR(4)
  "apple_id" VARCHAR(30)
  "outcome" VARCHAR(30)

  Indexes {
    (mailshot_id, apple_id) [pk]
  }
}

Table "premise" {
  "premise_id" VARCHAR(10) [pk]
  "premise_type" CHAR(10) [not null]
  "premise_address" VARCHAR(100) [not null]
  "premise_city" VARCHAR(20) [not null]
  "premise_state" VARCHAR(20) [not null]
  "premise_postcode" NUMERIC(5) [not null]
  "premise_country" VARCHAR(20) [not null]

  Indexes {
    premise_type [name: "idx_premise_type"]
    premise_country [name: "idx_premise_country"]
    premise_postcode [name: "idx_premise_postcode"]
  }
}

Table "employee" {
  "emp_id" VARCHAR(10) [pk]
  "emp_firstname" VARCHAR(20) [not null]
  "emp_surname" VARCHAR(20) [not null]
  "emp_gender" CHAR(1) [not null]
  "emp_birthdate" DATE [not null]
  "emp_contact" VARCHAR(15) [not null]
  "emp_workplace_id" VARCHAR(10) [not null]
  "date_hired" DATE [not null]
  "date_resigned" DATE
  "emp_position" VARCHAR(40) [not null]
  "reports_to" VARCHAR(10)
  "mth_salary" NUMERIC(10) [not null]

  Indexes {
    (emp_surname, emp_firstname) [name: "idx_emp_surname"]
    emp_workplace_id [name: "idx_emp_workplace_id"]
    emp_position [name: "idx_emp_position"]
  }
}

Table "product" {
  "prod_id" INT [pk]
  "prod_name" VARCHAR(20) [not null]
  "prod_unit_price" NUMERIC(10,2) [not null]
  "prod_category" VARCHAR(20) [not null]
}

Table "product_stock" {
  "prod_id" INT
  "premise_id" VARCHAR(10)
  "stock" NUMERIC(10) [not null]

  Indexes {
    (prod_id, premise_id) [pk]
    prod_id [name: "idx_prod_id"]
    premise_id [name: "idx_premise_id"]
  }
}

Table "ship_details" {
  "ship_id" VARCHAR(15) [pk]
  "ship_addressline" VARCHAR(100) [not null]
  "ship_city" VARCHAR(20) [not null]
  "ship_state" VARCHAR(20) [not null]
  "ship_postcode" NUMERIC(5) [not null]
  "ship_country" VARCHAR(20) [not null]
}

Table "orders" {
  "order_id" CHAR(4) [pk]
  "order_datetime" DATE [not null]
  "cust_id" INT [not null]
  "emp_id" VARCHAR(10) [not null]
  "pay_type" VARCHAR(20) [not null]
  "shipping_option" VARCHAR(40) [not null]
  "ship_id" VARCHAR(15)
}

Table "order_details" {
  "order_id" CHAR(4)
  "prod_id" INT
  "quantity" NUMERIC(1) [not null]
  "discount" NUMERIC(10,2)

  Indexes {
    (order_id, prod_id) [pk]
  }
}

Ref: "customer"."cust_id" < "apple_account"."cust_id"
Ref: "mailshot_campaign"."mailshot_id" < "mailshot_customer"."mailshot_id"
Ref: "apple_account"."apple_id" < "mailshot_customer"."apple_id"
Ref: "premise"."premise_id" < "employee"."emp_workplace_id"
Ref "reports_to": "employee"."emp_id" < "employee"."reports_to"
Ref: "product"."prod_id" < "product_stock"."prod_id"
Ref: "premise"."premise_id" < "product_stock"."premise_id"
Ref: "customer"."cust_id" < "orders"."cust_id"
Ref: "employee"."emp_id" < "orders"."emp_id"
Ref: "ship_details"."ship_id" < "orders"."ship_id"
Ref: "orders"."order_id" < "order_details"."order_id"
Ref: "product"."prod_id" < "order_details"."prod_id"