title: ORA-00922: missing or invalid option when creating table
body: <pre><code>create table Consulting Project(
               ID           varchar(4) not null,
               Name         varchar(5) not null,
               Gender       varchar(1) not null,
               Job_Title    varchar(15) not null,
               Contribution number(1,0) not null
  )
  </code></pre>
  
  <p>and got </p>
  
  <blockquote>
    <p>ORA-00922: missing or invalid option</p>
  </blockquote>