Members of the sysadmin fixed server role or members of the SQLAgentOperatorRole fixed database role can execute sp_purge_jobhistory without specifying a job_name or job_id.

• sysadmin固定服务器角色的成员或SQLAgentOperatorRole固定数据库角色的成员可以不指定job_name或job_id,而直接执行sp_purge_jobhistory。