title: Oracle Sql ORA-00904: : invalid identifier
body: <pre><code>CREATE TABLE cititori( 
     index NUMBER(6),
     nume VARCHAR2(20) NOT NULL, 
     legitNr number(6) NOT NULL,
     legitElib DATE default SYSDATE, 
     legitValab DATE, 
     nastDate DATE,
     nastLoc VARCHAR2(20), 
     actSerie VARCHAR2(2),
     actNr NUMBER(8), 
     actAutorit VARCHAR2(20),
     actdatElib DATE, );
  </code></pre>
  
  <p>i cant find a solution for this error
  ORA-00904: : invalid identifier</p>