ORACLE9i连接SYBASE的透明网关的配置

花开终是落l

花开终是落l

2016-02-19 16:47

今天图老师小编给大家精心推荐个ORACLE9i连接SYBASE的透明网关的配置教程,一起来看看过程究竟如何进行吧!喜欢还请点个赞哦~

  ORACLE实现异种数据库连接服务的技术叫做透明网关(Transparent Gateway)。

  目前ORACLE利用透明网关可以实现和SQL SERVER、SYBASE、DB2等多种主流数据库的互联。

  现在通过oracle访问sybase数据库,把配置oracle9i TRANSPARENT GATEWAY FOR SYBASE的步骤写成文档,供需要的网友参考!

  配置TRANSPARENT GATEWAY FOR SYBASE步骤

  1.

  oracle所在服务器上安装sybase client(或者在同一台server上安装oracle、sybase服务器)确保能够访问sybase数据库

  2.

(本文来源于图老师网站,更多请访问http://m.tulaoshi.com/wangguan/)

  安装TRANSPARENT GATEWAY FOR SYBASE选件,要用自定义安装。正确选择sybase的安装目录

  3.

  选择一个sid字符串准备赋给sybase数据库。如:tg4sybs设置SYBASE的dll路径到环境变量PATH(这一步很重要)

  4.

  修改初始化文件,默认的是:

  ORACLE_HOME g4sybsadmininittg4sybs.ora

  设置参数

  HS_FDS_CONNECT_INFO

  格式:HS_FDS_CONNECT_INFO= server_name. database_name[,INTERFACE= interface_file]

  server_name. database_name是大小写敏感的。

  INTERFACE可选

  例子:如下

  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

# This is a sample agent init file that contains the HS parameters that are
# needed for the Transparent Gateway for Sybase
#
# HS init parameters
#
HS_FDS_CONNECT_INFO=migration_serv.tax
HS_FDS_TRACE_LEVEL=OFF
HS_FDS_RECOVERY_ACCOUNT=RECOVER
HS_FDS_RECOVERY_PWD=RECOVER
#
# Environment variables required for Sybase
#
set SYBASE=d:sybase

  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

  上例中

  server_name是migration_serv

  database_name是tax

  5.

  配置oracle网络服务的listener,配置文件是:listener.ora

  默认路径:ORACLE_HOME etworkadmin

  加入如下

SID_LIST_LISTENER=
(SID_LIST=
(SID_DESC=
(SID_NAME= gateway_sid)
(ORACLE_HOME= oracle_home_directory)
(PROGRAM=tg4sybs)
)
)

  gateway_sid就是3选择的sid字符串

(本文来源于图老师网站,更多请访问http://m.tulaoshi.com/wangguan/)

  oracle_home_directory是ORACLE_HOME

  tg4sybs若是SYBASE是特定的。如果是其他数据库,会不同。

  例子如下:

  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

  (SID_DESC=
   (SID_NAME=tg4sybs)
   (ORACLE_HOME = D:oracleora92)
   (PROGRAM=tg4sybs)
  )

  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

  6.

  停止监听

  lsnrctl stop

  重新启动监听程序

  lsnrctl start

  7.

  配置oracle server的tnsnames.ora使其能够访问sybase

connect_descriptor=
(DESCRIPTION=
(ADDRESS=
(PROTOCOL=TCP)
(HOST= host_name)
(PORT= port_number)
)
(CONNECT_DATA=
(SID= gateway_sid))
(HS=OK))

  connect_descriptor是连接串,任取,一般为sybs

  host_name:oracle server的name

  port_number:oracle监听端口

  gateway_sid就是3选择的sid字符串

(本文来源于图老师网站,更多请访问http://m.tulaoshi.com/wangguan/)

  例子如下:

  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

sybs=
  (DESCRIPTION=
    (ADDRESS_LIST =
    (ADDRESS=(PROTOCOL=TCP)(HOST= dw-server1)(PORT= 1521))
    )
  (CONNECT_DATA=
    (SID= tg4sybs)
  )
    (HS=OK)
  )

  $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

  8.建立database link

  如:

CREATE DATABASE LINK sybs CONNECT TO sa
  IDENTIFIED BY prient 
  USING "SBYS" ;

  即可访问sybase 数据库。

  需要注意的是,sybase数据库的表名,字段名,如果是小写的,那么在oracle里访问的时候要加上双引号""

  如:

  SQL〉select "a" from "b"@sybs;

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