title: NLS setting in sql developer to change the Number format
body: <p>When i am trying to insert decimal value in KPI_FREQUENCY field which is Number datatype in oracle sql developer, its always inserting with ',' which is incorrect. I try to change NLS setting of decimal to '.' but still its inserting with','. I also tried to_char to insert the value with '.' but its not working.</p>
  
  <pre><code>Insert into RATOR_MONITORING_CONFIGURATION.KPI_DEFINITION 
    (KPI_DEF_ID,KPI_NAME,KPI_DESC,KPI_FREQUENCY) 
  values 
    ('10003881','Backlog Resul11t','Backlog Result11', 0.5);
  </code></pre>