title: inserting 1 million random data into PostgreSQL
body: <p>the table structure is like this:</p>
  
  <pre><code>milliontable(
     name varchar(10),
     age integer,
     joindate date
  )
  </code></pre>
  
  <p>and I want to insert random 1 million data into that table. Is there any way to do that?</p>