title: Alter table add column syntax in SQL
body: <p>I'm trying to alter the table named company, but it will display the error </p>
  
  <pre><code>syntax error at or near "("
  LINE 2: ADD( company_access_level short NOT NULL,
  </code></pre>
  
  <p>My syntax is </p>
  
  <pre><code>ALTER TABLE company
  ADD company_access_level short NOT NULL,
  workgroup_level short NOT NULL,
  Company Logon URL character varying NOT NULL,
  Company Logoff URL character varying NOT NULL
  </code></pre>
  
  <p>Thanks</p>