anchor.diff:      : CREATE (GLOBAL TEMPORARY)? TABLE tableview_name 
           LEFT_PAREN column_name datatype (COMMA column_name datatype)*
           RIGHT_PAREN
  -        ( ON COMMIT (DELETE|PRESERVE) ROWS)?
  -        ( SEGMENT CREATION (IMMEDIATE|DEFERRED) )?
  +        ( ON COMMIT (DELETE | PRESERVE) ROWS)?
  +        ( SEGMENT CREATION (IMMEDIATE | DEFERRED) )?
           (PCTFREE pctfree=UNSIGNED_INTEGER 
           | PCTUSED pctused=UNSIGNED_INTEGER 
           | INITRANS inittrans=UNSIGNED_INTEGER
  
positive.code:     : LANGUAGE (java_spec | c_spec)
      ;
  
  // $<Call Spec - Specific Clauses
  
  java_spec
      : JAVA NAME CHAR_STRING
  
negative.code:     : DECLARE? declare_spec+ body
      ;
  
  // SQL Statements
  
  sql_statement
      : execute_immediate
  