title: Import and insert sql.gz file into database with putty
body: <p>I want to insert a <code>sql.gz</code> file into my database with SSH. What should I do?</p>
  
  <p>For example I have a database from telephone numbers that name is <code>numbers.sql.gz</code>, what is this type of file and how can I import this file into my database?</p>