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1、安装oracle 的transparent gateway 透明网关。

安装ORACLE 选择自定义安装， 然后再选择 安装透明网关，再进去选择 安装FOR SQLSERVER 的组件。

2、修改 oraclehomeora92tgsmsqladmininittg4msql.orq 文件

HS_FDS_CONNECT_INFO="SERVER=YIRONG-NO1;DATABASE=jsoct"

HS_FDS_TRACE_LEVEL=OFF

HS_FDS_RECOVERY_ACCOUNT=RECOVER

HS_FDS_RECOVERY_PWD=RECOVER

说明 可以通过 ORACLE 工具中的migration WorkBench 进行配置。（过程中需要配置ODBC）

3、建立监听 修改oracle 的 oraclehomeora92networkadminlistener.ora 文件。

# LISTENER.ORA Network Configuration File: F:oracleora92networkadminlistener.ora

# Generated by Oracle configuration tools.

LISTENER =

(DESCRIPTION_LIST =

(DESCRIPTION =

(ADDRESS_LIST =

(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))

)

(ADDRESS_LIST =

(ADDRESS = (PROTOCOL = TCP)(HOST = yirong-no1)(PORT = 1521))

)

)

)

SID_LIST_LISTENER =

(SID_LIST =

(SID_DESC =

(SID_NAME = PLSExtProc)

(ORACLE_HOME = F:oracleora92)

(PROGRAM = extproc)

)

(SID_DESC =

(GLOBAL_DBNAME = ora9i2)

(ORACLE_HOME = F:oracleora92)

(SID_NAME = ora9i2)

)

#连接 sqlserver

(SID_DESC =

(GLOBAL_DBNAME = tg4msql)

(PROGRAM = tg4msql)

(SID_NAME = tg4msql)

(ORACLE_HOME = F:oracleora92)

)

)

4、修改TNS

TG4MSQL =

(DESCRIPTION=

(ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521))

(CONNECT_DATA=(SID=tg4msql))

(HS=)

)

5、创建DBLINK 说明建立的 用户名，密码要是 SQLSERVER 的用户名和密码

create PUBLIC DATABASE LINK oratoSql

CONNECT TO sa IDENTIFIED BY "lanwei"

USING 'TG4MSQL' ;

6、测试数据的是否正常检索。

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