--1.查询当前锁定的SQL语句:
select sql_text from v$sql where hash_value in
( select sql_hash_value from v$session where sid in (select session_id from v$locked_object) );
--2.数据库连接设置
--查看资源
select * from v$resource_limit;
--修改最大进程数
alter system set processes=200 scope = spfile;
--重建spfile
create pfile from spfile;
--最后,重新启动监听、服务