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·½Ê½Ò».
Ö´ÐÐÒÔÏÂsqlÓï¾ä´´½¨database link
create database link test_link --Á´½ÓÃû
connect to Óû§Ãû identified by ÃÜÂë
using '(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = Êý¾Ý¿â·þÎñÆ÷µØÖ·)(PORT = ¶Ë¿Ú)) –-¶Ë¿ÚĬÈÏ1521
)
(CONNECT_DATA =
(SERVICE_NAME = ctaiscs) --oracle9iÒÔºóÍƼöʹÓÃÈ«¾ÖÊý¾Ý¿âÃû
)
)'
SERVICE_NAME=ctais£¬¿ÉÒÔʹÓà SID = Êý¾Ý¿âSIDµÄ·½Ê½
Ok,ÏÖÔھͿÉÒÔ²éѯԶ³ÌÊý¾Ý¿â£»
Select * from employee@test_link
·½Ê½¶þ
a)ÅäÖ÷þÎñÃüÃû
´ò¿ªC:\Oracle\ora92\network\admin\ tnsnames.ora,Ìí¼Ó·þÎñÃüÃû
·þÎñÃû =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.6.30.12)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = È«¾ÖÊý¾Ý¿âÃû) --Ò²¿ÉÓÃSID=Êý¾Ý¿âSID
)
)
b)н¨Êý¾Ý¿âÁ¬½Ó
create database link test_link --Á´½ÓÃû
connect to Óû§Ãû identified by ÃÜÂë
using '·þÎñÃû'
ÏÂÃæµÄ´¦Àí·½Ê½Ò»ÑùÁË
ÏÂÃæ¸øÒ»¸öÁ´½ÓÔ¶³ÌÊý¾Ý¿âµ¼ÈëÊý¾ÝµÄÀý×Ó
Create or replace procedure test_proc
IS
Begin
for x in (select * from dj_nsrxx@test_link)
loop
insert into dj_nsrxx values x;
end loop;
commit;
end test_proc
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# tnsnames.ora Network Configuration File: D:\oracle\product\10.2.0\db_1\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.
MAXIMO =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = wangjun)(PORT = 1521))
(CONNECT_DATA =
&nb
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SQL> desc test;
Name Type Nullable Default Comments
------- ------------ -------- ------- --------
COUNTRY VARCHAR2(20) Y &nb ......
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SQL> desc test;
Name Type Nullable Default Comments
------- ------------ -------- ------- --------
COUNTRY VARCHAR2(20) Y &nb ......
Oracle log files : An introduction
The Oracle server maintains the redo Oracle log files to minimize the loss of data in the Database in case of an uncontrolled shutdown.
Online redo Oracle log files are filled with redo records. A redo record, also called a redo entry, is made up of a gr ......
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Ò»¿ªÊ¼ÎÒʹÓà ojdbc6.jarÀ´×öÁ¬½Ó£¬Á¬²»ÉÏ£¬ÕÒÒ»·¬£¬ÔÀ´¹Ù·½oracle8i³öµÄÇý¶¯Ö»ÓÐ class12.jar ºÍclass14.jar ,×îÒªÃüµÄÊDz»Ö§³Öjdk1.4¼°1.4ÒÔÉϵģ¬¹¤×÷Á¿ÂíÉϾÍÉÏÀ´ÁË¡£²»¸ÊÐÄ°¡¡£
×îºóÊÔÁËÏ£¬ÄÜÓõÄÖ»ÓÐojadb14.jar £¬Á¬ÉÏÁË£¬²»¹ýͨ¹ýhibernateÉú³ÉµÄsqlÊµÔ ......
[oracle@dba01 dbs]$ orapwd file=/oracle/app/oracle/product/10.2.0/db_1/dbs/orapworcl password=oracle entries=20 force=y
[oracle@dba01 dbs]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.1.0 - Production on Sat May 29 13:07:10 2010
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Con ......