select count(*) from v$process;----系統有多少連接數
select value from v$parameter where name = 'processes';-------oracle設置中設置了多少連接數
alter system set processes = 300 scope = spfile;------修改連接池數
select value from v$parameter where name = 'processes';-------oracle設置中設置了多少連接數
alter system set processes = 300 scope = spfile;------修改連接池數