PostgreSQL Sample Database

We provides you sample database so you can download it and practice with PostgreSQL in your own PC.

CREATE TABLE customer
(
    customer_id serial,
    title       char(4),
    fname       varchar(32),
    lname       varchar(32) not null,
    addressline varchar(64),
    town        varchar(32),
    zipcode     char(10) not null,
    phone       varchar(16),
    CONSTRAINT  customer_pk 
               PRIMARY KEY(customer_id)
);

CREATE TABLE orderinfo
(
    orderinfo_id serial,
    customer_id integer not null,
    date_placed date not null,
    date_shipped date,
    shipping    numeric(7,2) ,
    CONSTRAINT  orderinfo_pk 
              PRIMARY KEY(orderinfo_id),
    CONSTRAINT orderinfo_customer_id_fk 
              FOREIGN KEY(customer_id) 
              REFERENCES customer(customer_id)
);

CREATE TABLE item
(
    item_id     serial,
    description varchar(64) not null,
    cost_price  numeric(7,2),
    sell_price  numeric(7,2),
    CONSTRAINT  item_pk PRIMARY KEY(item_id)
);
 

CREATE TABLE orderline
(
    orderinfo_id integer not null,
    item_id     integer not null,
    quantity    integer not null,
    CONSTRAINT  orderline_pk 
            PRIMARY KEY(orderinfo_id, item_id),
    CONSTRAINT orderline_orderinfo_id_fk 
            FOREIGN KEY(orderinfo_id) 
            REFERENCES orderinfo(orderinfo_id),
    CONSTRAINT orderline_item_id_fk 
            FOREIGN KEY(item_id) 
            REFERENCES item(item_id)
);

CREATE TABLE stock
(
    item_id     integer not null,
    quantity    integer  not null,
    CONSTRAINT  stock_pk PRIMARY KEY(item_id),
    CONSTRAINT stock_item_id_fk 
               FOREIGN KEY(item_id) 
               REFERENCES item(item_id)
);

CREATE TABLE barcode
(
    barcode_ean char(13) not null,
    item_id     integer not null,
    CONSTRAINT  barcode_pk PRIMARY KEY(barcode_ean),
    CONSTRAINT barcode_item_id_fk 
               FOREIGN KEY(item_id) 
               REFERENCES item(item_id)
);