oracleÈ«ÎÄË÷ÒýÖ®datastore_3_FILE_DATASTORE
DATASTOREÊÇFILE_DATASTOREµÄ²âÊÔ
[oracle@rhel140 ~]$ cat OUTPUT.TXT
ORACLE
oracle
[oracle@rhel140 LOG]$ cat EMPXT_000_2012_2680.LOG
SOURCE
ABC
SQL> conn myuser/myuser
Connected.
SQL> CREATE TABLE T (ID NUMBER, DOCS VARCHAR2(1000));
Table created.
SQL> INSERT INTO T VALUES (1, 'OUTPUT.TXT');
1 row created.
SQL> commit;
Commit complete.
SQL> BEGIN
2 CTX_DDL.CREATE_PREFERENCE('TEST_FILE', 'FILE_DATASTORE');
3 CTX_DDL.SET_ATTRIBUTE('TEST_FILE', 'PATH', '/home/oracle');
4 END;
5 /
PL/SQL procedure successfully completed.
SQL> CREATE INDEX IND_T_DOCS ON T (DOCS) INDEXTYPE IS CTXSYS.CONTEXT
PARAMETERS ('DATASTORE TEST_FILE'); 2
Index created.
SQL> SELECT * from T WHERE CONTAINS(DOCS, 'ORACLE') > 0;
ID DOCS
---- --------------------
1 OUTPUT.TXT
ÐèҪעÒâµÄÊÇÔÚ½¨Á¢PREFERENCEµÄPATHÊôÐÔʱ²»ÄÜÓÿͻ§¶ËµÄĿ¼ºÍÎļþ£¬Ò»¶¨ÊÇ·þÎñÆ÷¶ËµÄĿ¼ºÍÎļþ£¬
ÎÒÓÃWINDOWSµÄĿ¼ʱ£¬ÔÚdr$index_errorÖоͻá³öÏÖÏÂÃæµÄ´íÎó
SQL> select * from ctxsys.dr$index_error;
ERR_IDX_ID ERR_TIMES ERR_TEXTKEY
---------- --------- ------------------
ERR_TEXT
--------------------------------------------------------------------------------
1181 13-MAY-09 AAAM52AAEAAAAGkAAA
DRG-11513: unable to open or write to file /home/oracle/OUTPUT.TXT
SQL> INSERT INTO T VALUES (2, 'LOG/EMPXT_000_2012_2680.LOG');
1 row created.
SQL> commit;
Commit complete.
SQL> exec CTX_DDL.SYNC_INDEX('IND_T_DOCS');
PL/SQL procedure successfully completed.
SQL> SELECT * from T WHERE CONTAINS(DOCS, 'SOURCE') > 0;
no rows selected
OracleËÆºõÖ»Ö§³ÖÔÚFILE_DATASTOREÖÐÉèÖõÄ·¾¶ÖнøÐÐËÑË÷£¬¼´Ê¹ÏñÉÏÃæÕâ¸öÀý×ÓÖеÚ2Ìõ¼Ç¼£¬Îĵµ´æ´¢ÔÚ
Ö¸¶¨Â·¾¶ÏµÄ×ÓĿ¼ÖУ¬ÕâÖÖÇé¿öÒ²ÊÇûÓа취½øÐÐË÷ÒýµÄ¡£
Èç¹û½«ÎļþλÖôÓ/home/oracle/LOGŲµ½/home/oracleĿ¼Ï£¬Ôò¿ÉÒÔ½øÐÐË÷Òý£º
SQL> host mv /home/oracle/LOG/EMPXT_000_2012_2680.LOG /home/oracle
SQL> UPDATE T SET DOCS = 'EMPXT_000_2012_2680.LOG' WHERE ID = 2;
1 row updated.
SQL> COMMIT;
Commit complete.
SQL&g
Ïà¹ØÎĵµ£º
ORACLE±¸·Ý²ßÂÔ(ORACLE BACKUP STRATEGY)
2007Äê11ÔÂ02ÈÕ ÐÇÆÚÎå 16:03
¸ÅÒª
1¡¢Á˽âʲôÊDZ¸·Ý
2¡¢Á˽ⱸ·ÝµÄÖØÒªÐÔ
3¡¢Àí½âÊý¾Ý¿âµÄÁ½ÖÖÔËÐз½Ê½
4¡¢Àí½â²»Í¬µÄ±¸·Ý·½Ê½¼°ÆäÇø±ð
5¡¢Á˽âÕýÈ·µÄ±¸·Ý²ßÂÔ¼°ÆäºÃ´¦
Ò»¡¢Á˽ⱸ·ÝµÄÖØÒªÐÔ
¿ÉÒÔ˵£¬´Ó¼ÆËã»úϵͳ³öÊÀµÄÄÇÌìÆð£¬¾ÍÓÐÁ˱¸·ÝÕâ¸ö¸ÅÄ ......
oracle wait event:cursor: pin S wait on X
cursor: pin S wait on XµÈ´ýʼþµÄ´¦Àí¹ý³Ì
http://database.ctocio.com.cn/tips/114/8263614_1.shtml
cursor: pin S wait on XµÈ´ý£¡
http://www.itpub.net/viewthread.php?tid=1003340
½â¾öcursor: pin S wait on X ÓÐʲôºÃ°ì·¨:
http://www.itpub.net/thread-1163543 ......
¹ØÓÚlatchºÍmutexµÄÎÊÌâ
from:http://www.itpub.net/thread-1004815-1-1.html
A:
latchÊÇãÅËø£¬ÊÇÒ»ÖÖ´®Ðл¯»úÖÆ£¬ÓÃÀ´±£»¤SGAÖеÄÄÚ´æ½á¹¹¡£
mutexÊÇʲô£¬Ò²ÊÇÒ»ÖÖ´®Ðл¯»úÖÆ£¬ÊÇ»¥³âËø£¿
¸öÈ˶ÔmutexûÓÐʲô¸ÅÄî¡£Õâ¸öÊÇ10GÐÂÒý½øµÄ£¿9IºÃÏñûÓа¡¡£
ÄÄλÃ÷°×ÈË£¬¸ø°ïæÏêϸ½âÊÍÏÂmutex£¬×îºÃ»¹ÄܺÍlatch ×öϱȽ ......
--ʹÓÃDBA´´½¨Á½¸öÓû§
create user gubo identified by gubo;
create user gubo2 identified by gubo;
--¸øÁ½¸öÓû§Á¬½ÓȨÏÞ
grant create session to gubo;
grant create session to gubo2;
--¸øÆäÖÐÒ»¸öÓû§·ÃÎʱí¿Õ¼äµÄȨÏÞ
grant unlimited tablespace to gubo;
--Á¬½ÓÆäÖÐÓû§£¬´´½¨±í
--conn gubo
......
¡¡¡¾IT168 ¼¼ÊõÎĵµ¡¿ÈκÎÊÂÇé¶¼ÓÐËüµÄÔ´Í·£¬Òª½â¾öÎÊÌ⣬ҲµÃ´ÓÔ´Í·¿ªÊ¼£¬Ó°ÏìORACLEÐÔÄܵÄÔ´Í··Ç³£¶à£¬Ö÷Òª°üÀ¨ÈçÏ·½Ã棺Êý¾Ý¿âµÄÓ²¼þÅäÖÃ:CPU¡¢ÄÚ´æ¡¢ÍøÂçÌõ¼þ¡£
¡¡¡¡1. CPU:ÔÚÈκλúÆ÷ÖÐCPUµÄÊý¾Ý´¦ÀíÄÜÁ¦ÍùÍùÊǺâÁ¿¼ÆËã»úÐÔÄܵÄÒ»¸ö±êÖ¾£¬²¢ÇÒORACLEÊÇÒ»¸öÌṩ²¢ÐÐÄÜÁ¦µÄÊý¾Ý¿âϵͳ£¬ÔÚCPU·½ÃæµÄÒªÇó¾Í¸ü¸ßÁË£¬Èç¹ûÔ ......