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error in sequence.

edited Jun 29, 2011 4:17AM in Database Administration (MOSC) 14 commentsAnswered
 Hello everyone.

I said something happening to me since migrating from 9i to 10g.
I have an application that generates dboids using select:
     "SELECT FROM DUAL PERSEQ.NEXTVAL"
being "perseq" sequence.
This value perseq.nextval is introduced into a visual basic function and generates a dboid. This visual function is in the "client"

What is happening to us is that if we launched a process to do about 1000 insert into a table gives only duplicate key error:
  "[Oracle] [ODBC] [Ora] ORA-00001: unique constraint"
But this error does not always happen, but sometimes before and sometimes comes out later, or not even

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