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给新来的同事导数据库,
oracle配置文件如下:
# 本地数据库
ORCL_LOCAL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME= orcl)
)
)
cmd命令下,exp testutf1/testutf@orcl file=s:\ebs.dmp full = y
报错:
***EXP-00056 :遇到 ORACLE 错误 12154
ORA-12154: TNS :无法解析指定的连接标识符
EXP-00000:导出终止失败*
网上给出办法基本有三:
一、tnsnames.ora 文件中orcl实例名对应了多个ip地址,就是这种情况:
# 本地数据库
ORCL_LOCAL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME= orcl)
)
)
# 41数据库
ORCL_TEST_41 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL =TCP )(HOST = 192.168.41.1)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME= orcl41)
)
)
二、先set oracle_sid = orcl 再执行导出命令、
三、oracle服务没打开
window+R ->services.msc->打开服务管理界面、oracle的七个服务
以上三个办法我都试了、不行
四、本机运行、不用加@orcl
连接远程服务器加@服务器名,
所以、直接exp testutf1/testutf file=s:\ebs.dmp full = y
就搞定了