清华大佬耗费三个月吐血整理的几百G的资源，免费分享！....>>>

-- 请以 DBA 权限登录,并执行
-- 将所有 UNUSABLE 状态的 index 修复, rebuild 一下即可[Oracle 10g下运行通过]
declare
  -- 指向所有 UNUSABLE 状态的 index 的游标
  cursor c is 
    select index_name, owner 
    from dba_indexes 
    where status='UNUSABLE';
  
  owner dba_indexes.owner%type;
  index_name dba_indexes.index_name%type;
begin
  open c;
  loop 
       fetch c into index_name, owner; 
       exit when c%notfound;
       
       execute immediate 'alter index ' || owner || '.' || index_name || ' rebuild';
  end loop;
  close c;
end;