Oracle日志文件的管理与查看

时间:2022-05-30 04:00:53
--Oracle日志文件管理与查看  
select * from v$sql (#查看最近所作的操作)
--select * fromv $sqlarea(#查看最近所作的操作) -- 1.查询系统使用的是哪一组日志文件:
 select * from v$log;  -- 2.查询正在使用的组所对应的日志文件:
select * from v$logfile;   --3.强制日志切换:
alter system switch logfile; --4.查询历史日志:
select * from v$log_history;   --5.查询日志的归档模式:
  elect dbid,name,created,log_mode from v$database;   --6.查询归档日志的信息:
select recid,stamp,thread#,sequence#,name from v$archived_log;   --7.增加与删除日志文件组
alter database add logfile group 1 ('/home1/oracle/oradata/ora8i/log1a.log'),'/home2/oracle/oradata/ora8i/log1b.log') size 100M;
alter database drop logfile group 1;   --8.增加与删除日志成员
alter database add logfile member '/home1/oracle/oradata/ora8i/log1a.log' to group 1,'/home1/oracle/oradata/ora8i/log2a.log' to group 2;
alter database drop logfile member '/home1/oracle/oradata/ora8i/log1a.log' ;   --9.日志文件移动
alter database rename file '/home1/oracle/oradata/ora8i/log1a.log' to '/home2/oracle/oradata/ora8i/log1a.log';   --10.清除日志文件
alter database clear logfile '/home1/oracle/oradata/ora8i/log1a.log';