如何提升自己的表为系统表，防止误操作对其进行修改

create table test1(did int)

sp_configure  'allow updates', 1

RECONFIGURE WITH OVERRIDE

update sysobjects set xtype = 'S',info = 4
 where id = object_id('test1')

sp_configure  'allow updates', 0

RECONFIGURE WITH OVERRIDE  

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