added

carpool/esentricar.sql

@@ -0,0 +1,11 @@
+CREATE DATABASE esentricar;
+\c  esentricar;
+CREATE TABLE cars (
+  car_id          SERIAL PRIMARY KEY,
+  license_plate   varchar(30)             NOT NULL,
+  car_type        varchar(30)             NOT NULL,
+  fuel            varchar(30)             NOT NULL,
+  number_of_seats integer                 NOT NULL
+);
+CREATE UNIQUE INDEX cars_license_plate
+ON cars (license_plate);