title: Error : ORA-00907: missing right parenthesis
body: <p>I'm trying to create a simple table but it's giving me an error says: </p>
  
  <pre><code>Error starting at line : 1 in command -
  CREATE TABLE dj_abonent
  (
  nr_klienti int NOT NULL,
  emer_klienti varchar2(10),
  sasia_cel int
  CONSTRAINT dj_klientID PRIMARY KEY(nr_klienti)
  )
  Error at Command Line : 6 Column : 35
  Error report -
  SQL Error: ORA-00907: missing right parenthesis
  00907. 00000 -  "missing right parenthesis"
  *Cause:    
  *Action:
  Error starting at line : 1 in command -
  CREATE TABLE dj_abonent
  (
  nr_klienti int NOT NULL,
  emer_klienti varchar2(10),
  sasia_cel int,
  CONSTRAINT dj_klientID PRIMARY KEY(nr_klienti)
  )
  Error at Command Line : 1 Column : 14
  Error report -
  SQL Error: ORA-00955: name is already used by an existing object
  00955. 00000 -  "name is already used by an existing object"
  *Cause:    
  *Action:
  </code></pre>