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--´´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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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»¡£
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CREATE OR REPLACE FUNCTION BlobToClob(blob_in IN BLOB) RETURN CLOB AS
v_clob CLOB;
v_varchar VARCHAR2(32767);
v_start PLS_INTEGER := 1;
v_buffer PLS_INTEGER := 32767;
BEGIN
DBMS_LOB.CRE ......
ORACLE 10 ѧϰ±Ê¼Ç-µÚ3¿Î-ÃüÁî¡£
1.view ÏÞÖÆ
create or replace view my_view01
as select * from emp
with check option
/
2.synonym ͬÒå´Ê
create synonym dept for scott.dept;
select * from dept;
3.sysdba ¹«¹²
drop synonym dept;
create public synonym dept for scott.dept;
desc dba_synonyms
......