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ORACLE ¶ÔÏóµÄʹÓÃ

--´´½¨¶ÔÏóÀàÐÍ
create or replace type emp_typ as object (
id number,
name varchar2(30),
sal number,
comm number,
member procedure change_comm(new_comm number),
member function get_info return  varchar2
) ;
--´´½¨¶ÔÏóÀàÐ͹¹Ô캯Êý¶¨Òå
create or replace type body emp_typ is
member procedure change_comm(new_comm number)
is
begin
comm:=new_comm;
end;
member function get_info return varchar2
is
v_info varchar2(30);
begin
v_info:='ÐÕÃû:'||name ||' ¹¤×Ê:'||sal;
return v_info;
end;
end;
--´´½¨´øÀàÐ͵ıí
create table detail (empt emp_typ,tel number,addr Varchar2(20))
--²åÈëÊý¾Ý
insert into detail values (emp_typ(6666,'yangliping',5000,3000),13675047974,'shanghai caobao')
--¸üÐÂÊý¾Ý
update  detail set empt=emp_typ(7777,'yangliing',3000,2000) where tel=13675047974
--²éѯÊý¾Ý
select * from detail
½á¹û:
EMPT.ID EMPT.NAME EMPT.SAL EMPT.COMM   TEL          ADDR
6666 yangliing   8000     5000        13833338888  ±±¾©
7777 yangliing   3000     2000       13675047974  shanghai caobao
--ɾ³ý¶ÔÏó±íÊý¾Ý
delete from detail  where tel=13675047974


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OracleÈÕÆÚº¯Êý next_day

ÔÚOracleÊÇÌṩÁËnext_dayÇóÖ¸¶¨ÈÕÆÚµÄÏÂÒ»¸öÈÕÆÚ.
Óï·¨ : next_day( date, weekday )
date is used to find the next weekday.
weekday is a day of the week (ie: SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY)
¿ÉÓÃÓÚ:
Oracle 9i, Oracle 10g, Oracle 11g
For example:
next_day('01- ......

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SQL SERVER 2000ÖзÃÎÊOracleÊý¾Ý¿â·þÎñÆ÷µÄ¼¸ÖÖ·½·¨

ÔÚSQL SERVER 20000ÖзÃÎÊOracleÊý¾Ý¿â·þÎñÆ÷µÄ¼¸ÖÖ·½·¨
1.ͨ¹ýÐм¯º¯Êýopendatasource
ÒªÇó:±¾µØ°²×°Oracle¿Í»§¶Ë
select * from opendatasource('MSDAORA', 'Data Source=XST4;User ID=manager;Password=sjpsjsjs')..MISD.PBCATCOL
ÆäÖУ¬MSDAORAÊÇOLEDB FOR OracleµÄÇý¶¯£¬
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Oracle 10G DataGuard

http://hi.baidu.com/firefly5002/blog/item/5b5719fcb5bd3e1d08244d11.html
Oracle 10G DataGuard
server A: 10.85.10.44 SID=mesdb
target server B: 10.85.10.43
oracle version:10.2.0.1
OS platform : windows 2003
Data GuardĬÈÏÊÇmaximize performance£¬ ¿ÉÒÔÓÃÒÔÏÂÓï¾äÀ´½øÐÐģʽ¼äµÄÇл»¡£
ALTER DATABASE ......
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