发布时间:2013-02-16 14:28:16
--行列转换 行转列 DROP TABLE t_change_lc; CREATE TABLE t_change_lc (card_code VARCHAR2(3), q NUMBER, bal NUMBER); INSERT INTO t_change_lc SELECT "001" card_code, ROWNUM q, trunc(dbms_random.VALUE * 100) bal FROM dual CONNECT BY ROWNUM <= 4 UNION SELECT "002" card_code,.........【阅读全文】
发布时间:2013-01-26 09:34:51
From:http://blog.csscss.org/post/49.shtml1、查看表空间的名称及大小select t.tablespace_name, round(sum(bytes/(1024*1024)),0) ts_sizefrom dba_tablespaces t, dba_data_files dwhere t.tablespace_name = d.tablespace_namegroup by t.tablespace_name;2、查看表空间物理文件的名称及大小select tablesp.........【阅读全文】
发布时间:2013-01-10 00:37:08
转:http://blog.csdn.net/wyzxg/article/details/6665707 nmon的安装与使用 1.下载 nmon:http://nmon.sourceforge.net/pmwiki.php?n=Site.Download nmonanalyser http://www.ibm.com/developerworks/wikis/display/WikiPtype/nmonanalyser help:http://nmon.sourceforge.net/pmwiki.php?n=Site.Documentation 下载......【阅读全文】