title: python sqlite3 BASE_DIR is not recognized as the name
body: <p>I use Windows 10 and I just start python
  <img src="https://i.stack.imgur.com/Hk5Mt.png" alt="make the default sqlite3  " /></p>
  <ol>
  <li><p>why my root code is just <code>'NAME': BASE_DIR / 'db.sqlite3'</code>,
  When searching, many people come up with  <code>'NAME': os.path.join(BASE_DIR, 'db.sqlite3')</code>, this way. Why am I only different?</p>
  </li>
  <li><p>When I try to check the database, it cannot be checked. However, it is possible to update the database through migration.
  How can I check the make sqlite3 of data?</p>
  </li>
  </ol>
  <pre><code>(fcdjango_env) PS C:\python_mvt\fc_community&gt; sqlite3 db.sqlite3
  
  sqlite3: The term 'sqlite3' is not recognized as the name of a cmdlet, function, script file, or operable program.
  Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
  </code></pre>