ORA-00001: unique constraint (string.string) violated 违反唯一约束条件(.)

ORA-00001: unique constraint (string.string) violated  

ORA-00001: 违反唯一约束条件(.)

Cause：

      An UPDATE or INSERT statement attempted to insert a duplicate key. For Trusted Oracle configured in DBMS MAC mode, you may see this message if a duplicate entry exists at a different level.

 

Action：

      Either remove the unique restriction or do not insert the key.

 

错误说明：当在唯一索引所对应的列上键入重复值时，会触发此异常。