1、tnsnames.ora（客戶端）

net_service_name=

(DESCRIPTION=

(ADDRESS=(protocol_address_information))

(CONNECT_DATA=

(SERVICE_NAME=service_name)))

2、listener.ora（服務器端）

LISTENER=

(DESCRIPTION=

(ADDRESS_LIST=

(ADDRESS=(PROTOCOL=tcp)(HOST=sale-server)(PORT=1521))

(ADDRESS=(PROTOCOL=ipc)(KEY=extproc))))

SID_LIST_LISTENER=

(SID_LIST=

(SID_DESC=

(GLOBAL_DBNAME=sales.us.example.com)

(ORACLE_HOME=/oracle11g)

(SID_NAME=sales))

(SID_DESC=

(SID_NAME=plsextproc)

(ORACLE_HOME=/oracle11g)

(PROGRAM=extproc)))

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