Java程序访问Oracle数据库集群与非集群的不同连接字符串

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1.oracle非集群中java程序连接的url
    url=jdbc:oracle:thin:@host_ip:1521:dbname

2.oracle集群中java程序连接的url
    url=jdbc:oracle:thin:@(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST =db1)(PORT = 1521))(ADDRESS = (PROTOCOL = TCP)(HOST =db2)(PORT = 1521))(LOAD_BALANCE=yes)(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = dbname)))

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