数据库操作--redo
查看redo的节点、大小、组数
set linesize 150;
set pagesize 50;
column MB format a5;
column STATUS format a12;
column MEMBER format a70;
select l.GROUP#,l.THREAD#,l.BYTES/1024/1024||'MB' MB,l.STATUS, lf.TYPE,lf.MEMBER from v$log l,v$logfile lf where l.GROUP#=lf.GROUP#;
切换redo
SYS@ocp> alter system switch logfile;
System altered.
切换归档
SYS@ocp> alter system archive log current;
System altered.