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

OracleÊý¾Ý×ֵ䳣Óòéѯ

 OracleÊý¾Ý×ֵ䳣Óòéѯ
--²é¿´µ±Ç°Óû§ËùÓÐ±í¼°ÃèÊö
select o.object_name,c.comments
from user_objects o
left outer join user_tab_comments  c
on o.object_name=c.table_name
where object_type='TABLE'
and c.comments like '%ÏîÄ¿%'
 
--²é¿´µ±Ç°Óû§ËùÓÐ×Ö¶ÎÐÅÏ¢¼°ÃèÊö
select c.table_name,o.column_name,o.data_type,o.data_length,c.comments
from user_tab_columns o
left outer join user_col_comments c
on o.TABLE_NAME=c.table_name
and  o.COLUMN_NAME=c.column_name
where o.table_name like upper('OM_ORGANIZATION%')


Ïà¹ØÎĵµ£º

oracle ±í¿Õ¼ä²Ù×÷

oracle±í¿Õ¼ä²Ù×÷Ïê½â
  1
  2
  3×÷Õߣº   À´Ô´£º    ¸üÐÂÈÕÆÚ£º2006-01-04 
  5
  6 
  7½¨Á¢±í¿Õ¼ä
  8
  9CREATE TABLESPACE data01
 10DATAFILE '/ora ......

oracle Êý¾Ý×ÖµäÊÓͼ֮ DICT / DICTIONARY

1.µ±ÄãÃÍÈ»¼äÍü¼Çͨ¹ýʲôÊÓͼ¿ÉÒԲ鿴procedureÄÚÈÝʱ£¬ÒþÔ¼¼ÇµÃËùÐèµÄÊÓͼ°üº¬“SOUR”×ֶΣ¬´Ëʱ²éѯdict/dictionaryÊÓͼÊÇ×îºÃµÄÑ¡Ôñ
sys@ora10g> col COMMENTS for a78
sys@ora10g>select * from dict where TABLE_NAME like '%SOUR%';
TABLE_NAME         ......

oracleµÄÌåϵ½á¹¹£¬ÄãÁ˽â¶àÉÙ£¿

ºÜ¾ÃûÓиüÐÂOracleÊý¾Ý¿âµÄÎÄÕÂÁË£¬½ñÌìС±àÕûÀíÁËÒ»ÏÂ×ÊÁÏ£¬ºÍ´ó¼Ò·ÖÏíOracleµÄÌåϵ¡£oracleµÄÌåϵºÜÅÓ´ó£¬ÒªÑ§Ï°Ëü£¬Ê×ÏÈÒªÁ˽âoracleµÄ¿ò¼Ü¡£ÔÚÕâÀ¼òÒªµÄ½²Ò»ÏÂoracleµÄ¼Ü¹¹£¬ÈóõѧÕ߶ÔoracleÓÐÒ»¸öÕûÌåµÄÈÏʶ¡£
 
1¡¢ÎïÀí½á¹¹£¨ÓÉ¿ØÖÆÎļþ¡¢Êý¾ÝÎļþ¡¢ÖØ×öÈÕÖ¾Îļþ¡¢²ÎÊýÎļþ¡¢¹éµµÎļþ¡¢ÃÜÂëÎļþ×é³É£© ¿Ø ......

oracle µÄredoºÍundo

À´×Ôhttp://www.inthirties.com/thread-239-1-1.html
 ÔÚÕâÀï»á½éÉÜUNDO£¬REDOÊÇÈçºÎ²úÉúµÄ£¬¶ÔTRANSACTIONSµÄÓ°Ï죬ÒÔ¼°ËûÃÇÖ®¼äÈçºÎЭͬ¹¤×÷µÄ¡£ 
ʲôÊÇREDO 
REDO¼Ç¼transaction logs£¬·ÖΪonlineºÍarchived¡£ÒÔ»Ö¸´ÎªÄ¿µÄ¡£ 
±ÈÈ磬»úÆ÷Í£µç£¬ÄÇôÔÚÖØÆðÖ®ºóÐèÒªonline redo logsÈ¥»Ö¸´ÏµÍ³µ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ