title: QueryException (42S22) SQLSTATE[42S22]: Column not found: 1054 Unknown column 'username'
body: <p>My code:
  values aren't updated in database and get this error:</p>
  
  <blockquote>
    <p>(Illuminate \ Database \ QueryException (42S22) SQLSTATE[42S22]:
    Column not found: 1054 Unknown column 'username' in 'where clause'
    (SQL: select count(<em>) as aggregate from <code>users</code> where <code>username</code> =
    anikatabassum) ) and ( "SQLSTATE[42S22]: Column not found: 1054
    Unknown column 'username' in 'where clause' (SQL: select count(</em>) as
    aggregate from <code>users</code> where <code>username</code> = anikatabassum)<code>enter code
    here</code>)</p>
  </blockquote>
  
  <pre><code>   public function up()
      {
          Schema::create('users', function (Blueprint $table) {
              $table-&gt;bigIncrements('id');
              $table-&gt;string('name');
              $table-&gt;string('email')-&gt;unique();
              $table-&gt;string('username')-&gt;unique();
              $table-&gt;timestamp('email_verified_at')-&gt;nullable();
              $table-&gt;string('password');
              $table-&gt;rememberToken();
              $table-&gt;timestamps();
          });
  </code></pre>