ORA-00980: synonym translation is no longer valid

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此问题为同义词失效，原因是用表的同义词查询此表时报错，此表无法找到，所以同义词失效了。

分析原因，当我们创建同义词时，系统是不会去检测原表是否存在。但是利用该同义词操作表时则会出现该错误。

问题可能性：

1、当前schema是否有权限使用该synonym 

2、table是否存在

ask Tom:

That error simply means "synonym is still here, but the object it points to is inaccessible".  It could be inaccessible due to a missing grant, or due to the object not being there.You need to find out what synonym it is, query the data dictionary to figure out what object it points to and figure out why you no longer have access to that object.

ops$tkyte@ORA920> create synonym s for t;

Synonym created.

ops$tkyte@ORA920> select * from s where rownum = 1;

C

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1

ops$tkyte@ORA920> drop table t;

Table dropped.

ops$tkyte@ORA920> select * from s where rownum = 1;

select * from s where rownum = 1

ERROR at line 1:

ORA-00980: synonym translation is no longer valid

ORA-00980: synonym translation is no longer valid

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原文地址：http://my.oschina.net/open4source/blog/471301