查看某个表的统计信息 SQL> alter session set NLS_DATE_FORMAT='YYYY-MM-DD HH24:MI:SS'; Session altered. SQL> select t.TABLE_NAME,t.NUM_ROWS,t.BLOCKS,t.LAST_ANALYZED from user_tables t where table_name in ('T1','T2'); TABLE_NAME NUM_ROWS
1.查看主机信息 # more /etc/hosts # Do not remove the following line, or various programs # that require network functionality will fail. 127.0.0.1 xyn-redhat localhost.localdomain localhost 2.查看进程 # ps -aux|grep java //显示所有进程名中包含java字符串的进