SQL Oracle error: ORA-00904 <p>I am creating a table and I typed this command:</p> <pre><code>SQL&gt; create table accident(report_number integer primary key, 2 date varchar(20), 3 location varchar(20)); </code></pre> <p>I got this error:</p> <pre><code>date varchar(20), * ERROR at line 2: ORA-00904: : invalid identifier </code></pre> <p>Can anyone tell me where the error is and how to rectify it?</p>