anchor.diff:  LEVEL:                           L E V E L;
   LN:                              L N;
   LOCAL:                           L O C A L;
  +LOCALTIME:                       L O C A L T I M E;
  +LOCALTIMESTAMP:                  L O C A L T I M E S T A M P;
   LOCATE:                          L O C A T E;
   LOCATION:                        L O C A T I O N;
   LOCK_ESCALATION:                 L O C K '_' E S C A L A T I O N;
  
positive.code:     ;
  
  ternary_manipulation_function
      : function_name=(CONV | SUBSTR | HASH | RPAD | SUBSTRING | LPAD | MID | REPLACE | SUBSTRING_INDEX)
        '(' expression ',' expression ',' expression ')'
      ;
  
  
negative.code: NOCOUNT:                         N O C O U N T;
  NOEXPAND:                        N O E X P A N D;
  NORECOMPUTE:                     N O R E C O M P U T E;
  NOW:                             N O W;
  NTILE:                           N T I L E;
  NUMBER:                          N U M B E R;
  NVL:                             N V L;
  