jdbc:oracle:thin:@localhost:1521:orcl和jdbc:oracle:thin:@localhost:1521/orcl的区别
2017-06-06 20:01
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jdbc连接oracle有两种方式,一种使用thin连接另一种使用oci(Oracle Call Interface )连接。thin驱动都是纯Java代码,使用TCP/IP技术通过Java的Socket连接Oracle数据库。对于使用oci必须安装Oracle客户端。
常用的连接url格式,格式一:Oracle JDBC Thin using an SID;jdbc:oracle:thin:@host:port:SID;例如
jdbc:oracle:thin:@localhost:1521:orcl或者jdbc:oracle:thin:@localhost:1521:XE
XE是精简版Oracle的默认数据库名。格式二:Oracle JDBC Thin using a ServiceName;jdbc:oracle:thin:@//host:port/service_name
;例如 jdbc:oracle:thin:@//localhost:1521/orcl.db.com。格式三:Oracle JDBC Thin using a TNSName;jdbc:oracle:thin:@TNSName;例如 jdbc:oracle:thin:@TNS_ALIAS_NAME。
所以,这两个url是不同格式的写法,格式二是Oracle推荐的格式,因为对于集群来说,每个节点的SID是不一样的,但是SERVICE_NAME却可以包含所有节点。
常用的连接url格式,格式一:Oracle JDBC Thin using an SID;jdbc:oracle:thin:@host:port:SID;例如
jdbc:oracle:thin:@localhost:1521:orcl或者jdbc:oracle:thin:@localhost:1521:XE
XE是精简版Oracle的默认数据库名。格式二:Oracle JDBC Thin using a ServiceName;jdbc:oracle:thin:@//host:port/service_name
;例如 jdbc:oracle:thin:@//localhost:1521/orcl.db.com。格式三:Oracle JDBC Thin using a TNSName;jdbc:oracle:thin:@TNSName;例如 jdbc:oracle:thin:@TNS_ALIAS_NAME。
所以,这两个url是不同格式的写法,格式二是Oracle推荐的格式,因为对于集群来说,每个节点的SID是不一样的,但是SERVICE_NAME却可以包含所有节点。
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