text: create table employees (name varchar(32), department varchar(32), salary decimal(5,2))
  create table departments (name varchar(32), country varchar(32))
  create table customers (name varchar(32), country varchar(32))
  create table products (name varchar(32), amount integer, price decimal(22,4))
  create table orders (customer varchar(32), department varchar(32), product varchar(32), quantity integer, created timestamp default '0000-00-00 00:00:00')
  insert into employees (name, department, salary) values('Smith', 'American Fruits', cast('10.500' as decimal(5,2)))
  insert into employees (name, department, salary) values('Jones', 'English Fruits', cast('6.300' as decimal(5,2)))
  insert into employees (name, department, salary) values('Müller', 'German Fruits', cast('8.020' as decimal(5,2)))
  insert into employees (name, department, salary) values('Meier', 'German Fruits', cast(NULL as decimal(5,2)))
  insert into employees (name, department, salary) values('Schulze', 'German Fruits', cast('6.001' as decimal(5,2)))
  insert into departments (name, country) values('American Fruits', 'us')
  insert into departments (name, country) values('English Fruits', 'en')
  insert into departments (name, country) values('German Fruits', 'de')
  insert into customers (name, country) values('John', 'us')
  insert into customers (name, country) values('George', 'en')
  insert into customers (name, country) values('Ringo', 'en')
  insert into customers (name, country) values('Otto', 'de')
  insert into customers (name, country) values('Liesel', 'de')
  insert into customers (name, country) values(NULL, 'de')
  insert into customers (name, country) values('Fritz', NULL)
  insert into products (name, amount, price) values('Apples', 2, 1.50)
  insert into products (name, amount, price) values('Bananas', 3, 2.7446785)
  insert into products (name, amount, price) values('Oranges', 5, cast(NULL as decimal(22,4)))
  insert into products (name, amount, price) values('Nothing', NULL, cast(NULL as decimal(22,4)))
  insert into orders (customer, department, product, quantity, created) values('Big', 'American Fruits', 'Apples', 1, current_timestamp)
  insert into orders (customer, department, product, quantity, created) values('Large', 'German Fruits', 'Bananas', 1, current_timestamp)
  insert into orders (customer, department, product, quantity, created) values('Huge', 'German Fruits', 'Oranges', 2, current_timestamp)
  insert into orders (customer, department, product, quantity, created) values('Good', 'German Fruits', 'Apples', 2, {ts '2012-06-01 15:52:25'})
  insert into orders (customer, department, product, quantity, created) values('Bad', 'English Fruits', 'Oranges', 3, {ts '2012-06-01 16:31:24'})