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	Data Dictionary Indexes in the bootstrap$ cannot be rebuilt/dropped
	 
	 Data dictionary tables in bootstrap$ cannot be truncated/dropped
	 
	 
	 In general DDL operations cannot be executed on bootstrap$ objects.
	 
	 Examples:
	 
	SQL> truncate table obj$;
	truncate table obj$
	               *
	ERROR at line 1:
	ORA-00701: object necessary for warmstarting database cannot be altered
	 
	SQL> alter index i_obj1 rebuild;
	alter index i_obj1 rebuild
	*
	ERROR at line 1:
	ORA-00604: error occurred at recursive SQL level 1
	ORA-00060: deadlock detected while waiting for resource
	 
	SQL> drop index i_obj2;
	drop index i_obj2
	           *
	ERROR at line 1:
	ORA-00701: object necessary for warmstarting database cannot be altered
	 
	 
		There are some objects not included in bootstrap$ that cannot be altered.  
		 
		 Error ORA-704 (object necessary for warmstarting database cannot be altered) is produced.
		 
		 Note:279797.1 - "..Mark objects as non-bootstrapped“, contains bootstrapped objects that are not stored in table sys.bootstrap$