title: Oracle SQL missing comma error code ORA-00917
body: <p>Oracle SQL says this error ORA-00917: missing comma.  Can you explain what's wrong?</p>
  <pre><code>CREATE TABLE ASSIGNMENT (
      ASSIGN_NUM      CHAR(3),
      ASSIGN_DATE     DATE,
      PROJ_NUM        CHAR(3),
      EMP_NUM             CHAR(3),
      ASSIGN_JOB              CHAR(4),
      ASSIGN_CHR_HR       NUMBER(8,2),
      ASSIGN_HOUR         NUMBER(8,2),
      ASSIGN_CHARGE        NUMBER(8,2));
  
  DESCRIBE ASSIGNMENT
  
  
  INSERT INTO ASSIGNMENT VALUES ('1001','20-MAR-2006','18','103','503','84.50','3.5','295.75';
  </code></pre>