add scheme.sql

Vagrantfile

@@ -5,7 +5,7 @@ Vagrant.configure(2) do |config|
   config.vm.box = "ubuntu/trusty64"
   config.vm.network "forwarded_port", guest: 80, host: 8080
   config.vm.network "private_network", ip: "192.168.33.16"
-  config.vm.synced_folder "./", "/home/vagrant/", create: true, :nfs => true
+  config.vm.synced_folder "./", "/home/vagrant/", create: true
   config.vm.provider "virtualbox" do |vb|
     vb.memory = "512"
   end

dumps/students/s_01/shema.sql

@@ -0,0 +1,56 @@
+DROP TABLE IF EXISTS service CASCADE;
+DROP TABLE IF EXISTS service_sale CASCADE;
+DROP TABLE IF EXISTS users CASCADE;
+DROP TABLE IF EXISTS user_manager CASCADE;
+DROP TABLE IF EXISTS user_seller CASCADE;
+DROP TABLE IF EXISTS cars CASCADE;
+DROP TABLE IF EXISTS car_details CASCADE;
+
+CREATE TABLE services(
+    id               SERIAL PRIMARY KEY,
+    service_name     VARCHAR(50) NOT NULL
+)
+
+CREATE TABLE services_sale{
+    id               SERIAL PRIMARY KEY,
+    services_id      INT REFERENCES services (id),
+    profit           DECIMAL
+}
+
+CREATE TABLE users{
+    id               SERIAL PRIMARY KEY,
+    first_name       VARCHAR(50) NOT NULL,
+    last_name        VARCHAR(50) NOT NULL,
+    user_role        VARCHAR(50) NOT NULL,
+    store_owner      BOOLEAN,
+    users_type       VARCHAR(50) NOT NULL,
+    born_year        SMALLINT NOT NULL CONSTRAINT positive_age CHECK (born_year > 0)
+}
+
+CREATE TABLE users_manager(
+    id               SERIAL PRIMARY KEY,
+    users_id         INT REFERENCES users (id),
+    bill_access      BOOLEAN
+)
+
+CREATE TABLE users_seller(
+    id               SERIAL PRIMARY KEY,
+    users_id         INT REFERENCES users (id),
+    staff            BOOLEAN
+)
+
+CREATE TABLE cars{
+    id               SERIAL PRIMARY KEY,
+    car_type         VARCHAR(50) NOT NULL,
+    car_price        DECIMAL,
+    created_date     TIMESTAMP
+}
+
+CREATE TABLE cars_details{
+    id               SERIAL PRIMARY KEY,
+    cars_id          INT REFERENCES cars (id),
+    car_color        VARCHAR(10) NOT NULL,
+    car_manufacturer VARCHAR(50) NOT NULL,
+    car_volume       DECIMAL positive_volume CHECK (positive_volume >= 0 AND positive_volume <= 10),
+    description      TEXT
+}