ORACLE unique constraint (%s.%s) violated
I fase following error number of time when I try to insert a set of rows to a table where primary key got changed . ORA-00001: unique constraint ( ATTRIBUTE_PK) violated When I re run the quary in SQL developer I got more information as below. SQL Error: ORA-00001: unique constraint (ATTRIBUTE_PK) violated 00001. 00000 - "unique constraint (%s.%s) violated" *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. When I'm searching it on the google I got the follwing , give me a hint Oracle Reference Documents http://oraref.tistory.com/entry/ORA-00001-unique-constraint-ss-violated I found that there is a index on the table with the same name of the primary key already deleted ,which rise