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...
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)))...
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
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 ...
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 ...
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 ...
5.如果在同一台电脑上面同时安装了Oracle客户端和服务端,那么在服务端的安装目录中也会存在同样的配置文件D:\Oracle\product\10.2.0\db_1\NETWORK\ADMIN\tnsnames.ora,在这种情况下如果我们配置好了客户端Net Manager然后连接Oracle数据库,可能会出现“ORA-12154: TNS: 无法解析指定的连接标识符”这时,你就应该怀疑...
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...
Error "ORA-12154: TNS:could not resolve the connect identifier specified." when installing or upgrading Symantec Data Loss Prevention (DLP) 15.x. Resolution Check to ensure tnsping databasename works. Cmd -> tnsping protect Example output: ...