anchor.diff:  COMPATIBILITY_LEVEL:                   C O M P A T I B I L I T Y '_' L E V E L;
   CONCAT:                                C O N C A T;
   CONCAT_NULL_YIELDS_NULL:               C O N C A T '_' N U L L '_' Y I E L D S '_' N U L L;
  +CONTENT:                               C O N T E N T;
   CONTROL:                               C O N T R O L;
   COOKIE:                                C O O K I E;
   COUNT:                                 C O U N T;
  
positive.code: table_type_definition
      : TABLE '(' column_def_table_constraints ')'
      ;
  	
  xml_type_definition
  	: XML '(' ( CONTENT | DOCUMENT )? xml_schema_collection ')'
  	;
  	
  xml_schema_collection
  	: ID '.' ID
  	;
  
  column_def_table_constraints
      : column_def_table_constraint (','? column_def_table_constraint)*
  
negative.code:     | LOCAL_ID
      ;
  
  full_column_name
      : (table_name '.')? id
      ;
  
  column_name_list_with_order
      : id (ASC | DESC)? (',' id (ASC | DESC)?)*
      ;
  
  column_name_list
      : id (',' id)*
      ;
  
  cursor_name
  