oracle EM
C:Documents and Settings>emca -repos create
EMCA ¿ªÊ¼ÓÚ 2007-5-31 9:57:04
EM Configuration Assistant 10.2.0.1.0 Õýʽ°æ
°æÈ¨ËùÓÐ (c) 2003, 2005, Oracle¡£±£ÁôËùÓÐȨÀû¡£
ÊäÈëÒÔÏÂÐÅÏ¢:
Êý¾Ý¿â SID: ora10g
¼àÌý³ÌÐò¶Ë¿ÚºÅ: 1521
SYS Óû§µÄ¿ÚÁî:
SYSMAN Óû§µÄ¿ÚÁî:
ÊÇ·ñ¼ÌÐø? [yes(Y)/no(N)]: Y
2007-5-31 10:03:31 oracle.sysman.emcp.EMConfig perform
ÐÅÏ¢: ÕýÔÚ½«´Ë²Ù×÷¼Ç¼µ½ H:oracle10gcfgtoollogsemcaora10gemca_2007-05-31_09-57-03-ÉÏÎç.log¡£
2007-5-31 10:03:31 oracle.sysman.emcp.EMReposConfig createRepository
ÐÅÏ¢: ÕýÔÚ´´½¨ EM ×ÊÁϵµ°¸¿â (´Ë²Ù×÷¿ÉÄÜÐèÒªÒ»¶Îʱ¼ä)...
2007-5-31 10:06:18 oracle.sysman.emcp.EMReposConfig invoke
ÐÅÏ¢: Òѳɹ¦´´½¨×ÊÁϵµ°¸¿â
Òѳɹ¦Íê³É Enterprise Manager µÄÅäÖÃ
EMCA ½áÊøÓÚ 2007-5-31 10:06:18
Ïà¹ØÎĵµ£º
Oracle¶Ô±í×öÈ«±íɨÃèµÄʱºò
£¬»áɨÃèÍêHWMÒÔÏÂ
µÄÊý¾Ý¿é¡£Èç¹ûij¸ö±ídelete(delete²Ù×÷²»»á½µµÍ¸ßˮλ)ÁË´óÁ¿Êý¾Ý£¬ÄÇôÕâʱ¶Ô±í×öÈ«±íɨÃè¾Í»á×öºÜ¶àÎÞÓù¦£¬É¨ÃèÁËÒ»´ó¶ÑÊý¾Ý¿é£¬×îºó·¢ÏÖ¿éÀïÃæ¾ÓȻûÓÐÊý¾Ý¡£
ͨ³££¬ÔÚ¶Ô±í×öÁË´óÅúÁ¿delete²Ù×÷Ö®ºó£¬¾ÍÓ¦¸ÃÂíÉϽµµÍ±íµÄ¸ßˮ룬¿ÉÒÔʹÓÃshrink ÃüÁî»òÕßalter&n ......
ʲôÊÇsavepoint?
Use the SAVEPOINT statement to identify a point in a transaction to which you can later roll back.
¸øÄã¸öÀý×Ó
SQL> create table test (id number(7));
±íÒÑ´´½¨¡£
SQL> insert into test values (3);
ÒÑ´´½¨ 1 ÐС£
SQL> savepoint a;
±£´æ ......
ʲôÊǺϲ¢¶àÐÐ×Ö·û´®£¨Á¬½Ó×Ö·û´®£©ÄØ£¬ÀýÈ磺
SQL> desc test;
Name Type Nullable Default Comments
------- ------------ -------- ------- --------
COUNTRY VARCHAR2(20) Y &nb ......
OracleÉ󼯹¦ÄÜ
Ò»¡¢ É󼯷ÖÀࣺ
OracleÖÐÉó¼Æ×ÜÌåÉϿɷÖΪ“±ê×¼É󼯔ºÍ“ϸÁ£¶ÈÉ󼯔ºóÕßÒ²³ÆÎª“»ùÓÚÕþ²ßµÄÉ󼯔£¬ÔÚOracle10GÖ®ºó¹¦Äܵõ½ºÜ´óÔöÇ¿¡£ÆäÖбê×¼Éó¼Æ¿É·ÖΪÓû§¼¶Éó¼ÆºÍϵͳ¼¶É󼯡£Óû§¼¶Éó¼ÆÊÇÈκÎOracleÓû§¿ÉÉèÖõÄÉ󼯣¬Ö÷ÒªÊÇÓû§Õë¶Ô×Ô¼º´´½¨ ......
sqlldrÏê½â
Oracle µÄSQL*LOADER¿ÉÒÔ½«ÍⲿÊý¾Ý¼ÓÔØµ½Êý¾Ý¿â±íÖС£ÏÂÃæÊÇSQL*LOADERµÄ»ù±¾Ìص㣺
1£©ÄÜ×°È벻ͬÊý¾ÝÀàÐÍÎļþ¼°¶à¸öÊý¾ÝÎļþµÄÊý¾Ý
2£©¿É×°Èë¹Ì¶¨¸ñʽ£¬×ÔÓɶ¨½çÒÔ¼°¿É¶È³¤¸ñʽµÄÊý¾Ý
3£©¿ÉÒÔ×°Èë¶þ½øÖÆ£¬Ñ¹ËõÊ®½øÖÆÊý¾Ý
4£©Ò»´Î¿É¶Ô¶à¸ö±í×°ÈëÊý¾Ý
5£©Á¬½Ó¶à¸öÎïÀí¼Ç¼װµ½Ò»¸ö¼Ç¼ÖÐ
6£©¶ÔÒ ......