oracle安装心得

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1，windows安装oracle，不用安装客户端，直接安装P/LSQL就可以，

2，两台电脑之间连

　　1，ping IP

　　2, 监听程序开启

　　3，sqlplus /nolog        conn sys as sysdba       startup    (这一步一定要成功)

　　4，解析不出12541.。。      一定是环境变量错了

　　2，listener.ora    tnsnames.ora

·　　注：如果在PDB中创建用户名和密码，，，不用sysdba

# tnsnames.ora Network Configuration File: D:\app\Administrator\virtual\product\12.2.0\dbhome_1\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.

EXTPROC_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
    (CONNECT_DATA =
      (SID = PLSExtProc)  注：PLS开头
      (PRESENTATION = RO)
    )
  )
 ORCL =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = WIN-GHB4TFBR6F9)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = orcl)
    )
  )

#新增 @ 标识符，用于区分本地与远程
oracleORCL@10.8.98.246 =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 10.8.98.246)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = orcl)
    )
  )
#新增 @ 标识符，用于区分本地与远程 注在pdb创建用用
smartqORCL@10.8.98.246 =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 10.8.98.246)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = orclpdb)
    )
  )

　　

# listener.ora Network Configuration File: D:\app\Administrator\virtual\product\12.2.0\dbhome_1\network\admin\listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
  (SID_DESC =
      (SID_NAME = ORCL)
      (ORACLE_HOME = D:\app\Administrator\virtual\product\12.2.0\dbhome_1)
      (PROGRAM = orcl)
      (ENVS = "EXTPROC_DLLS=ONLY:D:\app\Administrator\virtual\product\12.2.0\dbhome_1\bin\oraclr12.dll")
    )
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = CLRExtProc)
      (ORACLE_HOME = D:\app\Administrator\virtual\product\12.2.0\dbhome_1)
      (PROGRAM = extproc)
      (ENVS = "EXTPROC_DLLS=ONLY:D:\app\Administrator\virtual\product\12.2.0\dbhome_1\bin\oraclr12.dll")
    )
  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 10.8.98.246)(PORT = 1521))
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
  )

注：

(KEY = EXTPROC1521)   

　　

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