oracle database link创建

examples:

两台主机数据库,数据库同步功能,B主机oracle数据库service_name=xe,user=usertest,pwd=pwdtest

在A主机上

创建database ling

登录sqlplus

create database link link_name

connect to usertest identified by
pwdtest

using '(DESCRIPTION=

(ADDRESS_LIST=

(ADDRESS=(PROTOCOL=TCP)(HOST=Test-PC)(PORT=1521))

)

(CONNECT_DATA=

(SERVICE_NAME=XE)

)

)';

SELECT * FROM T@link_name;

T TT TTT TTTT

---------- ---------- ---------- ---------- -

2.25E+002 2.2E+001 3 4.44

2.25E+002 2.2E+001 3 4.44

2.25E+002 2.2E+001 3 4.44

同理可以在B主机上建立database link链接A主机数据库