databaselink用法

· databaselink 用法：

SQL> create database link ano connect to username identified by passwd using 'hostname/dbname';

数据库链接已创建。

SQL> select count(*) from table_name @ ano;

COUNT(*)

----------

107363

SQL> select count(*) from table_name ;

COUNT(*)

----------

107370

SQL>

用完以后 drop databaselink linkname;

all_db_links