ORA-12154 错误,即 "TNS: 无法解析指定的连接标识符",通常表明 Oracle 客户端在尝试连接到数据库时无法解析提供的连接字符串(TNS 名称)。这个问题可能由多种原因引起,以下是一些解决步骤,你可以按照这些步骤逐一排查和解决问题: 确认错误代码ORA-12154的含义: ORA-12154 错误表明 Oracle 客户端无法解析 TNS(Transp...
在使用expdp进行数据库导出时，若遇到ORA-12154错误：“TNS:无法解析指定的连接标识符”，需要采取以下步骤进行解决。步骤1：首先确认schemas的定义是否准确无误。确保在导出语句中使用的schemas名称与数据库中实际存在的模式名称完全一致。步骤2：如果步骤1中不存在问题，接下来应考虑检查与数据库连接相关的设...
Primavera P6 Professional Project Management - Version 5.0 and later: Error 'ORA-12154: TNS could not resolve the connect identifier specified' or 'TNS:listener coul
打开你的ORACLE的network配置 ADMIN目录下有个文件tnsnames.ora 查看有没有配置好服务，也可以按照上面的例子自己手工写进去 如xxx = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = xxx.xx.xx.xxx)(PORT = 1521)))(CONNECT_DATA = (SERVICE_NAME = xxx)))...
tnsnames.ora myORCL= (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1(修改为主机IP地址或主机名))(PORT = 1521))(CONNECT_DATA = (SERVER = DEDICATED)(SERVICE_NAME = orcl（修改为实例名）)))配置好后tnsping myORCL 看通不通。登陆格式为 sqlplus username/password@my...
里连的时候，不识别这个实例。报ORA-12154 错误： ORA-12154: TNS: 无法解析指定的连接标识符 ...
OracleTNS协议适配器错误是指在Oracle数据库连接中出现的一种错误,其提示信息通常是“ORA-12154:TNS:无法解析指定的连接标识符”。这个错误发生在应用程序试图连接Oracle数据库时,无法找到或解析指定的连接标识符。这个连接标识符可以是一个TNS服务名、一个tnsnames.ora文件中的别名,或者是一个包含连接信息的字符串。
1. SQL Server (and oracle net libraries) is not able to get the TNS alias from tnsnames.ora file. 2. Something is wrong with the way the alias is created in the tnsnames.ora file (incorrect syntax) 3. TNS alias could not b...
Error ORA-12154: TNS:could not resolve the connect identifier specified 04-04-2024 12:17 PM I looked at the other answers before opening this one, so the tnsnames is in the right place and I'm not really sure about how to connect with the server, or if this error i...
1.SQL Server (and oracle net libraries) is not able to get the TNS alias from tnsnames.ora file. 2.Something is wrong with the way the alias is created in the tnsnames.ora file (incorrect syntax) 3.TNS alias could not be resolved into a connect descriptor ...