『安装配置』Oracle 异构服务实践(二)
来源:互联网 发布:mysql分区表 编辑:程序博客网 时间:2024/05/22 01:07
假设我们要在ORACLE里同时能访问SQL Server里默认的pubs和Northwind两个数据库。
1、在安装了ORACLE10g Standard Edition或者ORACLE10g Enterprise Edition的windows机器上(IP:192.168.0.2),
产品要选了透明网关(Oracle Transparent Gateway)里要访问Microsoft SQL Server数据库.
$%ORACLE_HOME%/tg4msql/admin下新写initpubs.ora和initnorthwind.ora配置文件
initpubs.ora内容如下:
HS_FDS_CONNECT_INFO="SERVER=sqlserver_hostname;DATABASE=pubs"
HS_DB_NAME=pubs
HS_FDS_TRACE_LEVEL=OFF
HS_FDS_RECOVERY_ACCOUNT=RECOVER
HS_FDS_RECOVERY_PWD=RECOVER
initnorthwind.ora内容如下:
HS_FDS_CONNECT_INFO="SERVER=sqlserver_hostname;DATABASE=Northwind"
HS_DB_NAME=Northwind
HS_FDS_TRACE_LEVEL=OFF
HS_FDS_RECOVERY_ACCOUNT=RECOVER
HS_FDS_RECOVERY_PWD=RECOVER
(蓝色字的部分可以根据具体要访问的SQL Server数据库的情况而修改)
$%ORACLE_HOME%/network/admin 下listener.ora内容如下:
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.2)(PORT = 1521))
)
)
)
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = test9)
(ORACLE_HOME = %ORACLE_HOME%)
(SID_NAME = test9)
)
(SID_DESC=
(SID_NAME=pubs)
(ORACLE_HOME=$%ORACLE_HOME%)
(PROGRAM=tg4msql)
)
(SID_DESC=
(SID_NAME=northwind)
(ORACLE_HOME=$%ORACLE_HOME%)
(PROGRAM=tg4msql)
)
)
重启动这台做gateway的windows机器上(IP:192.168.0.2)TNSListener服务.
(凡是按此步骤新增可访问的SQL Server数据库时,TNSListener服务都要重启动)
2、ORACLE9I,ORACLE10g的服务器端配置tnsnames.ora, 添加下面的内容:
pubs =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.2)(PORT = 1521))
)
(CONNECT_DATA =
(SID = pubs)
)
(HS = pubs)
)
northwind =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.2)(PORT = 1521))
)
(CONNECT_DATA =
(SID = northwind)
)
(HS = northwind)
)
保存tnsnames.ora后,在命令行下
tnsping pubs
tnsping northwind
出现类似提示,即为成功
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.2)
(PORT = 1521))) (CONNECT_DATA = (SID = pubs)) (HS = pubs))
OK(20毫秒)
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.2)
(PORT = 1521))) (CONNECT_DATA = (SID = northwind)) (HS = northwind))
OK(20毫秒)
设置数据库参数global_names=false。
设置global_names=false不要求建立的数据库链接和目的数据库的全局名称一致。
global_names=true则要求, 多少有些不方便。
oracle9i和oracle8i都可以在DBA用户下用SQL命令改变global_names参数
alter system set global_names=false;
建立公有的数据库链接:
create public database link pubs connect to testuser identified by testuser_pwd using 'pubs';
create public database link northwind connect to testuser identified by testuser_pwd using 'northwind';
(假设SQL Server下pubs和northwind已有足够权限的用户登录testuser,密码为testuser_pwd)
访问SQL Server下数据库里的数据:
select * from stores@pubs;
...... ......
select * from region@northwind;
...... ......
3、使用时的注意事项
ORACLE通过访问SQL Server的数据库链接时,用select * 的时候字段名是用双引号引起来的。
例如:
create table stores as select * from stores@pubs;
select zip from stores;
ERROR 位于第 1 行:
ORA-00904: 无效列名
select "zip" from stores;
zip
-----
98056
92789
96745
98014
90019
89076
已选择6行。
总结: WINDOWS下ORACLE10g网关服务器在$%ORACLE_HOME%/tg4msql/admin目录下的initsqlserver_databaseid.ora
WINDOWS下ORACLE10g网关服务器listener.ora里面
(SID_DESC=
(SID_NAME=sqlserver_databaseid)
(ORACLE_HOME=%ORACLE_HOME%)
(PROGRAM=tg4msql)
)
UNIX或WINDOWS下ORACLE9I,ORACLE10g服务器tnsnames.ora里面
northwind =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.2)(PORT = 1521))
)
(CONNECT_DATA =
(SID = sqlserver_databaseid)
)
(HS = sqlserver_databaseid)
)
sqlserver_databaseid一致才行.
1、在安装了ORACLE10g Standard Edition或者ORACLE10g Enterprise Edition的windows机器上(IP:192.168.0.2),
产品要选了透明网关(Oracle Transparent Gateway)里要访问Microsoft SQL Server数据库.
$%ORACLE_HOME%/tg4msql/admin下新写initpubs.ora和initnorthwind.ora配置文件
initpubs.ora内容如下:
HS_FDS_CONNECT_INFO="SERVER=sqlserver_hostname;DATABASE=pubs"
HS_DB_NAME=pubs
HS_FDS_TRACE_LEVEL=OFF
HS_FDS_RECOVERY_ACCOUNT=RECOVER
HS_FDS_RECOVERY_PWD=RECOVER
initnorthwind.ora内容如下:
HS_FDS_CONNECT_INFO="SERVER=sqlserver_hostname;DATABASE=Northwind"
HS_DB_NAME=Northwind
HS_FDS_TRACE_LEVEL=OFF
HS_FDS_RECOVERY_ACCOUNT=RECOVER
HS_FDS_RECOVERY_PWD=RECOVER
(蓝色字的部分可以根据具体要访问的SQL Server数据库的情况而修改)
$%ORACLE_HOME%/network/admin 下listener.ora内容如下:
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.2)(PORT = 1521))
)
)
)
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = test9)
(ORACLE_HOME = %ORACLE_HOME%)
(SID_NAME = test9)
)
(SID_DESC=
(SID_NAME=pubs)
(ORACLE_HOME=$%ORACLE_HOME%)
(PROGRAM=tg4msql)
)
(SID_DESC=
(SID_NAME=northwind)
(ORACLE_HOME=$%ORACLE_HOME%)
(PROGRAM=tg4msql)
)
)
重启动这台做gateway的windows机器上(IP:192.168.0.2)TNSListener服务.
(凡是按此步骤新增可访问的SQL Server数据库时,TNSListener服务都要重启动)
2、ORACLE9I,ORACLE10g的服务器端配置tnsnames.ora, 添加下面的内容:
pubs =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.2)(PORT = 1521))
)
(CONNECT_DATA =
(SID = pubs)
)
(HS = pubs)
)
northwind =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.2)(PORT = 1521))
)
(CONNECT_DATA =
(SID = northwind)
)
(HS = northwind)
)
保存tnsnames.ora后,在命令行下
tnsping pubs
tnsping northwind
出现类似提示,即为成功
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.2)
(PORT = 1521))) (CONNECT_DATA = (SID = pubs)) (HS = pubs))
OK(20毫秒)
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.2)
(PORT = 1521))) (CONNECT_DATA = (SID = northwind)) (HS = northwind))
OK(20毫秒)
设置数据库参数global_names=false。
设置global_names=false不要求建立的数据库链接和目的数据库的全局名称一致。
global_names=true则要求, 多少有些不方便。
oracle9i和oracle8i都可以在DBA用户下用SQL命令改变global_names参数
alter system set global_names=false;
建立公有的数据库链接:
create public database link pubs connect to testuser identified by testuser_pwd using 'pubs';
create public database link northwind connect to testuser identified by testuser_pwd using 'northwind';
(假设SQL Server下pubs和northwind已有足够权限的用户登录testuser,密码为testuser_pwd)
访问SQL Server下数据库里的数据:
select * from stores@pubs;
...... ......
select * from region@northwind;
...... ......
3、使用时的注意事项
ORACLE通过访问SQL Server的数据库链接时,用select * 的时候字段名是用双引号引起来的。
例如:
create table stores as select * from stores@pubs;
select zip from stores;
ERROR 位于第 1 行:
ORA-00904: 无效列名
select "zip" from stores;
zip
-----
98056
92789
96745
98014
90019
89076
已选择6行。
总结: WINDOWS下ORACLE10g网关服务器在$%ORACLE_HOME%/tg4msql/admin目录下的initsqlserver_databaseid.ora
WINDOWS下ORACLE10g网关服务器listener.ora里面
(SID_DESC=
(SID_NAME=sqlserver_databaseid)
(ORACLE_HOME=%ORACLE_HOME%)
(PROGRAM=tg4msql)
)
UNIX或WINDOWS下ORACLE9I,ORACLE10g服务器tnsnames.ora里面
northwind =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.2)(PORT = 1521))
)
(CONNECT_DATA =
(SID = sqlserver_databaseid)
)
(HS = sqlserver_databaseid)
)
sqlserver_databaseid一致才行.
- 『安装配置』Oracle 异构服务实践(二)
- 『安装配置』Oracle 异构服务实践(一)
- Oracle 异构服务实践
- Oracle安装配置二
- linux服务安装与配置(二):安装xinetd服务
- oracle DBaaS 数据库云服务实践之一EM13C安装
- Maven实践(二) 下载、安装和配置
- Docker入门实践(二) Docker的安装配置
- Devops学习实践(二) Jenkins安装、配置、任务构建
- Oracle GoldenGate 配置实践
- 计算机网络信息服务系统的安装与配置(二)
- nginx(二) nginx编译安装 及 配置WEB服务
- elk实践一:服务安装
- oracle服务配置
- Oracle服务配置
- oracle配置服务命名
- Oracle服务与配置
- Ecshop安装配置实践
- [MSSQL]游标原理和使用方法
- 字节对齐
- 『安装配置』Oracle 异构服务实践(一)
- 『管理调优』处理Oracle中杀不掉的锁
- 串口操作类
- 『安装配置』Oracle 异构服务实践(二)
- smartforms和function中接口定义
- GPS通讯
- 利用clickstream跟踪用户
- SQL Server 查询
- 怎样用Eclipse生成jar文件
- 『管理调优』Oracle10g的library内存分配告警
- 构师接龙: 王速瑜VS.林昊
- “Could not format discriminator value to SQL string...”错误的解决方法