Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ORACLE ºÁÃëת»»ÎªÈÕÆÚ ÈÕÆÚת»»ºÁÃë

--ÈÕÆÚת»»ºÁÃë
SELECT TO_NUMBER(TO_DATE('2005-03-29 12:30:45', 'YYYY-MM-DD HH24:MI:SS') -
TO_DATE('1970-01-01 8:0:0', 'YYYY-MM-DD HH24:MI:SS')) * 24 * 60 * 60 * 1000
from DUAL;

--ºÁÃëת»»ÈÕÆÚ
SELECT TO_CHAR(1112070645000 / (1000 * 60 * 60 * 24) +
TO_DATE('1970-01-01 08:00:00', 'YYYY-MM-DD HH:MI:SS'), 'YYYY-MM-DD HH:MI:SS') AS CDATE
from DUAL;


Ïà¹ØÎĵµ£º

oracleµÄociºÍthinÇø±ð

1£©´ÓʹÓÃÉÏÀ´Ëµ£¬oci±ØÐëÔÚ¿Í»§»úÉϰ²×°oracle¿Í»§¶Ë»ò²ÅÄÜÁ¬½Ó£¬¶øthin¾Í²»ÐèÒª£¬Òò´Ë´ÓʹÓÃÉÏÀ´½²thin»¹ÊǸü¼Ó·½±ã£¬ÕâÒ²ÊÇthin±È½Ï³£¼ûµÄÔ­Òò¡£
2£©Ô­ÀíÉÏÀ´¿´£¬thinÊÇ´¿javaʵÏÖtcp/ipµÄc/sͨѶ£»¶øoci·½Ê½,¿Í»§¶Ëͨ¹ýnative java methodµ÷ÓÃc library·ÃÎÊ·þÎñ¶Ë£¬¶øÕâ¸öc library¾ÍÊÇoci(oracle called interface ......

oracle ´¥·¢Æ÷

Create [or replace] trigger [ģʽ.]´¥·¢Æ÷Ãû
       Before| after |instead of  insert|delete|(update of ÁÐÃû)
       {insert|delete|(update of ÁÐÃû) }
On ±íÃû|ÊÓͼ|ģʽÃû|Êý¾Ý¿âÃû
[for each row]
When Ìõ¼þ
PL/SQL¿é
˵Ã÷£º
......

Redhat Linux oracle 10g em °´Å¥ÂÒÂë½â¾ö

ÍøÉÏÓкܶàµÄ×ÊÁÏ£¬²Î¿¼itput£¨http://space.itpub.net/471666/viewspace-215923£©µÄ¡£
OS : Redhat
DB : Oracle 10.2.0.4.0
1.ÐÞ¸Äjdk ÏÂÃæµÄ×ÖÌå¡£
[oracle@a ~]$ cd $ORACLE_HOME/jdk/jre/lib/
[oracle@a ~]]$ mv font.properties font.properties_bak
[oracle@a ~]]$
[oracle@a ~]]$ cp font.properties.zh_CN.R ......

oracleÖÐʵÏÖ×ÔÔöÁÐ

1.´´½¨Ñ§Éú±í£º
CREATE TABLE student (
    xh number primary key,   
    Name varchar2(10) not null);
   
2. ´´½¨ÐòÁУº
CREATE SEQUENCE student_seq   
START WITH 1   
INCREMENT BY 1
NOCACHE;
°´»Ø³ ......

OracleÊý¾Ý¿â±¸·Ý·½Ê½

×Ô¼ºÕûÀíÁËÏÂOracleµÄÊý¾Ý¿â±¸·Ý·½°¸,ÓùýÀ䱸·Ý¡£ÆäËûûÓвâÊÔ¹ý
Ò»¡¢ µ¼³ö/µ¼Èë(Export/Import)
¡¡¡¡ÀûÓÃExport¿É½«Êý¾Ý´ÓÊý¾Ý¿â
ÖÐÌáÈ¡³öÀ´£¬ÀûÓÃImportÔò¿É½«ÌáÈ¡³öÀ´µÄÊý¾ÝËͻص½Oracle
Êý¾Ý¿âÖÐÈ¥¡£
¡¡¡¡1¡¢ ¼òµ¥µ¼³öÊý¾Ý(Export)ºÍµ¼ÈëÊý¾Ý(Import):
¡¡¡¡OracleÖ§³ÖÈýÖÖ·½Ê½ÀàÐ͵ÄÊä³ö£º
¡¡¡¡(1)¡¢±í·½Ê½(T·½ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ