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标签归档:oracle 访问sql
oracle to sql 透明网络配置
一直比较抵触oracle 透明网关,最近有朋友说他们客户坚持要使用这个(不想修改程序),无奈之下进行了配置.
透明网关需求
Oracle透明网关链接sqlserver
Oracle:
OS:Red Hat Enterprise Linux Server release 6.8
DB:Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 – 64bit
Ip:192.168.222.11
Sqlserver
OS:windows server 2003 x86
DB:sqlserver2005
IP:192.168.222.1
实例名称:MSSQLSERVER
指向的DB:xifenfei
安装 Gateway软件
使用oracle用户安装,并且使用空目录(不建议使用oracle_home目录)
配置oracle_base和oracle_home
ORACLE_BASE=/u01/app/oracle
ORACLE_HOME=/u01/app/oracle/product/11.2.0/wangguan
配置Gateway数据库连接信息
[oracle@ora11g admin]$ pwd /u01/app/oracle/product/11.2.0/wangguan/dg4msql/admin [oracle@ora11g admin]$ cat initdg4msql.ora # This is a customized agent init file that contains the HS parameters # that are needed for the Database Gateway for Microsoft SQL Server # # HS init parameters # HS_FDS_CONNECT_INFO=[192.168.222.1]:1433//xifenfei # alternate connect format is hostname/serverinstance/databasename HS_FDS_TRACE_LEVEL=OFF HS_FDS_RECOVERY_ACCOUNT=RECOVER HS_FDS_RECOVERY_PWD=RECOVER
配置Gateway监听配置
[oracle@ora11g admin]$ pwd /u01/app/oracle/product/11.2.0/wangguan/network/admin [oracle@ora11g admin]$ cat listener.ora # Generated by Oracle configuration tools. LISTENERSQL = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = ora11g)(PORT = 1522)) (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1522)) ) ) SID_LIST_LISTENERSQL = (SID_LIST = (SID_DESC= (SID_NAME = dg4msql) (ORACLE_HOME = /u01/app/oracle/product/11.2.0/wangguan) (PROGRAM = dg4msql) ) ) ADR_BASE_LISTENERSQL = /u01/app/oracle
配置Gateway tns信息
在oracle数据库的oracle_home中配置,如果有设置tns_admin,在该目录下处理
[oracle@ora11g admin]$ pwd /u01/app/oracle/product/11.2.0/db_1/network/admin [oracle@ora11g admin]$ cat tnsnames.ora # Generated by Oracle configuration tools. tomssql = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.222.11)(PORT = 1522)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = dg4msql) ) (HS = OK) ) [oracle@ora11g admin]$ tnsping tomssql TNS Ping Utility for Linux: Version 11.2.0.4.0 - Production on 09-JAN-2020 09:10:06 Copyright (c) 1997, 2013, Oracle. All rights reserved. Used parameter files: /u01/app/oracle/product/11.2.0/db_1/network/admin/sqlnet.ora Used TNSNAMES adapter to resolve the alias Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.222.11)(PORT = 1522)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = dg4msql)) (HS = OK)) OK (20 msec)
创建dblink to sql
SQL> create public database link to_sql2012 connect to sa identified by "sa" using 'tomssql'; Database link created.
oracle 通过gateway查询
![4](http://www.xifenfei.com/wp-content/uploads/2020/01/4.jpg)
至此oracle to sql server Gateway 配置成功.如果需要配置多个$ORACLE_HOME/dg4msql/admin/init网关SID.ora文件并新增多个静态监听和tns指向网关SID即可