Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ÔÚOracle Öвéѯij¸ö×ֶδæÔÚÓÚÄļ¸¸ö±í (ת)

Èç¹û²éѯÕû¿âµÄ»°µÃÒÔDBAȨÏÞ²éѯÊý¾Ý×Öµädba_tab_columns
·ÇDBAÓû§Ö»Äܲ鿴×Ô¼ºÓжÁȡȨÏ޵ıí
¿ÉÒÔÕâÑùд²éѯ
select owner, table_name
from dba_tab_columns
where lower(column_name)='firstname';
²éѯ³öÄÄЩ±í°üº¬firstname×Ö¶ÎÒÔ¼°ÕâЩ±íÊôÓÚÄĸöÓû§
×¢£ºdba_tab_columnsÊÇÒ»¸öÊôÓÚSYSÓû§µÄÒ»¸öView


Ïà¹ØÎĵµ£º

ÓÃJava²Ù×÷OracleÈÕÆÚÀàÐÍ×Ö¶Î

ÔÚjava¶ÔoracleµÄ²Ù×÷ÖУ¬ÈÕÆÚ×Ö¶ÎÊǺÜÍ·ÌÛµÄÊÂÇ飬Æäʵ×ÐϸÑо¿Ò»ÏÂÒ²²¢²»ÄÑÕÆÎÕ¡£
¾Ù¸öÀý×ÓÀ´ËµÃ÷£º
±í book    ÖÐÓÐname varchar2(20)//Êé¼®Ãû³Æ,buydate Date //¹ºÂòÈÕÆÚ Á½¸ö×ֶΡ£
ÒѾ­´´½¨ÁËÊý¾Ý¿âÁ¬½ÓConnection conn;
·½·¨Ò»¡¢Ê¹ÓÃjava.sql.DateʵÏֱȽϼòµ¥µÄyyyy-mm-dd¸ñʽÈÕÆÚ¡£
java.sql. ......

Oracle Data blocks £¬Extents£¬Segment

£¨Ò»£©Data blocks £¬Extents£¬Segment
    Õâ¾ÍÊÇËûÃÇÖ®¼äµÄÂß¼­½á¹¹¡£
    ÏÈ¿´Data blocks£¨Ò²½ÐÂß¼­¿é£¬oracle¿é£¬Ò³£©°É£¬oracle´æ´¢Êý¾Ý¶¼ÊÇÔÚÕâЩÊý¾Ý¿éÖУ¬Ò»¸öÊý¾Ý¿éÊÇ´ÅÅÌÉÏÊý¾Ý¿âÎïÀí¿Õ¼äһϵÁÐÎïÀí×Ö½ÚµÄ×é³É¡£
    ±ÈData blocks¸ü¸ßÒ»²ãµÄÂß¼­Êý¾Ý¿é¿Õ¼äÊÇe ......

oracleÀïµÄ³£ÓÃÃüÁî

 
 
µÚÒ»Õ£ºÈÕÖ¾¹ÜÀí
 
1.forcing log switches
sql> alter system switch logfile;
 
2.forcing checkpoints
sql> alter system checkpoint;
 
3.adding online redo log groups
sql> alter database add logfile [group 4]
sql> ('/disk3/log4a.rdo','/disk4/lo ......

ÆôÓÃoracleµÄarchiveģʽ

¾­Ñ飺
alter system set log_archive_dest=’D:\oracle\archivelog’ scope=spfile;
alter system set log_archive_start=true scope=spfile;
Ö®ºó£¬
create pfile from spfile
¿ÉÑéÖ¤¼ÓÉÏû
Ò»¡¢²é¿´Êý¾Ý¿âÔËÐÐģʽ 
¿ÉÒÔÓ󬼶Óû§£¨INTERNAL£©ÔÚSQLPLUSÖÐʹÓÃÃüÁîARCHIVE LOG LIST²é¿´ 
......

Oracle RAC 10.2.0.1 Éý¼¶ 10.2.0.4 ¼òµ¥ÃèÊö

ÍƼöcrs°æ±¾¸ßÓÚdb°æ±¾
If you also plan to apply this patch to Oracle Clusterware,
ensure that you apply the patch to Oracle Clusterware before
applying it to Oracle Database. This is because Oracle Clusterware
hould always be at the same or later version as the database.
Éæ¼°µ½Êý¾Ý¿â¶ø²»ÊÇʵÀýµ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ