Oracle 11g透明网关连接Sqlserver 2000

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一、环境

公司网站系统使用的是IIS + Oracle

但公司某系统使用的是sqlserver 2000,但其数据需要做成报表放到网站上,为简化编程,使用Oracle做透明网关,定期从sqlserver 抓取数据的方式

A: Web Server

  • OS: Windows Server 2008
  • IP: 10.108.3.10
  • 安装软体:IIS,Oracle Client

B: Oralce DB Server

  • OS: Windows Server 2008
  • IP: 10.108.3.20
  • 安装软体: Oracle DB,Oracle Gateway

C: sqlserver 2000 DB Server

  • OS: Windows Server 2003
  • IP: 10.108.5.100
  • 安装软体: sqlserver 2000

这里面A和C的安装配置都很简单,主要说下B机器 Oracle透明网关的配置

二、Oracle透明网关配置

1. gateway安装

当然是要先安装好我们的Oracle DB,做好其它业务。然后再来安装Gateway

2. 配置 E:\Oracle\product\11.2.0\tg_1\dg4msql\admin\initdg4msql.ora

HS_FDS_CONNECT_INFO=[10.108.5.100].MSsqlSERVER.sqlDB
HS_FDS_TRACE_LEVEL=OFF
HS_FDS_RECOVERY_ACCOUNT=RECOVER
HS_FDS_RECOVERY_PWD=RECOVER

Oracle Gateway在此文件中默认将sqlserver 2000的IP,实例名,数据库名以 / 分隔,这种设置后续会报错,改为以 . 分隔则OK

#HS_FDS_CONNECT_INFO=[10.108.5.100]/MSsqlSERVER/sqlDB

3. 配置E:\Oracle\product\11.2.0\tg_1\NETWORK\ADMIN\listener.ora

SID_LIST_LISTENER =  
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = dg4msql)    #此处为配置文件SID,要与initdg4msql.ora中的名字对应
      (ORACLE_HOME = E:\Oracle\product\11.2.0\tg_1)
      (PROGRAM = dg4msql)   #此处为配置文件目录名称,Oracle 11g中都为dg4msql,不需变更(注1)
    )
  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 10.108.3.20)(PORT = 1522))
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1522))
    )
  )

ADR_BASE_LISTENER = E:\Oracle\product\11.2.0\tg_1

注1:如果将此处的dg4msql变掉,在最后通过Oracle访问sql SERVER时会报以下错误

ORA-28545: 连接代理时 Net8 诊断到错误
Unable to retrieve text of NETWORK/NCR message 65535
ORA-02063: 紧接着 2 lines

4. 配置E:\Oracle\product\11.2.0\tg_1\NETWORK\ADMIN\tnsnames.ora

dg4msql =
  (DESCRIPTION =
    (ADDRESS_LIST =))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = dg4msql)
    )
    (HS = OK)
  )

5. 配置E:\Oracle\product\11.2.0\dbhome_1\NETWORK\ADMIN\listener.ora

(SID_LIST = CLRExtProc) (ORACLE_HOME = E:\Oracle\product\11.2.0\dbhome_1) (PROGRAM = extproc) (ENVS = "EXTPROC_DLLS=ONLY:E:\Oracle\product\11.2.0\dbhome_1\bin\oraclr11.dll") ) #以下是其它业务的DB (SID_DESC = (GLOBAL_DBNAME = ORCL) (ORACLE_HOME = E:\Oracle\product\11.2.0\dbhome_1) (SID_NAME = ORCL) ) #以下是透明网关的设置 (SID_DESC = dg4msql) (ORACLE_HOME = E:\Oracle\product\11.2.0 dg4msql) ) ) LISTENER = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.108.3.20)(PORT = 1521 EXTPROC1521)) ) ) ADR_BASE_LISTENER = E:\Oracle

6. 配置E:\Oracle\product\11.2.0\dbhome_1\NETWORK\ADMIN\tnsnames.ora

dg4msql = OK)
  )

ORACLR_CONNECTION_DATA =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
    (CONNECT_DATA =
      (SID = CLRExtProc)
      (PRESENTATION = RO)
    )
  )

7. 建立DB link

-- Create database link 
create database link sqlSERVERLINK
  connect to sa identified by password
  using 'dg4msql';
原文链接:https://www.f2er.com/oracle/212542.html

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