 );
 
 CREATE TABLE people (
-    id SERIAL PRIMARY KEY
+    id SERIAL PRIMARY KEY,
+    name TEXT NOT NULL
 );
 
 CREATE TABLE user_states (


CREATE TABLE users (
    id SERIAL PRIMARY KEY REFERENCES people,
    name TEXT NOT NULL,
    state INT NOT NULL REFERENCES user_states,
    office INT REFERENCES offices
);

CREATE TABLE groups (


CREATE TABLE customers (
    customer_id SERIAL PRIMARY KEY,
    name TEXT NOT NULL UNIQUE
);

CREATE TABLE services (
    id SERIAL PRIMARY KEY,
    name TEXT NOT NULL,
    customer INT NOT NULL REFERENCES customers,
    created_by INT NOT NULL REFERENCES users,
    UNIQUE(customer, name)
);

CREATE TABLE servers (
