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这里的想法是能够使用服务名称而不是 SID 连接到我的数据库。这是我的tnsnames.ora：

# tnsnames.ora Network Configuration File: C:\Users\jj\Downloads\WINDOWS.X64_193000_db_home\NETWORK\ADMIN\tnsnames.ora
# Generated by Oracle configuration tools.

LISTENER_ORCL =
  (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))


ORACLR_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
    (CONNECT_DATA =
      (SID = CLRExtProc)
      (PRESENTATION = RO)
    )
  )

ORCL =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = orcl.myDomain.int)
    )
  )
  
DB_PBD =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = myServiceName)
    )
  )

这是我的listener.ora：

# listener.ora Network Configuration File: C:\Users\jj\Downloads\WINDOWS.X64_193000_db_home\NETWORK\ADMIN\listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = CLRExtProc)
      (ORACLE_HOME = C:\Users\jj\Downloads\WINDOWS.X64_193000_db_home)
      (PROGRAM = extproc)
      (ENVS = "EXTPROC_DLLS=ONLY:C:\Users\jj\Downloads\WINDOWS.X64_193000_db_home\bin\oraclr19.dll")
    )
   (SID_DESC = 
        (GLOBAL_DBNAME = orcl)
        (ORACLE_HOME = C:\Users\jj\Downloads\WINDOWS.X64_193000_db_home)
        (SID_NAME = orcl)
    )
   (SID_DESC = 
        (GLOBAL_DBNAME = DB_PBD)
        (ORACLE_HOME = C:\Users\jj\Downloads\WINDOWS.X64_193000_db_home)
        (SID_NAME = orcl)
    )   
  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
  )

到目前为止，我可以使用和ORCL建立连接。orcl.myDomain.intDB_PBD

但是，当我尝试使用myServiceNamewhich is SERVICE_NAMEof the entry连接到它时DB_PBD，我收到以下错误：

TNS-12514: TNS:listener does not currently know of service requested in connect descriptor

myServiceName 的定义方式有问题吗？

编辑：当我在我的数据库中查看我的服务列表时，我没有找到 myServiceName：

SQL> select name from V$SERVICES;

    NAME
    ----------------------------------------------------------------
    orclXDB
    SYS$BACKGROUND
    orcl.myDomain.int
    SYS$USERS
    orclpdb

我也应该在这里添加它吗？

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