ORA-12838 when trying to do insert append?

From: <rgaffuri_at_cox.net>
Date: Thu, 01 May 2003 12:31:51 -0800
Message-ID: <F001.0058DB2D.20030501123151@fatcity.com>

here is what it says on OTN. Not sure what it means.

ORA-12838 cannot read/modify an object after modifying it in parallel

Cause: Within the same transaction, an attempt was made to add read or modification statements on a table after it had been modified in parallel or with direct load. This is not permitted.

Action: Rewrite the transaction, or break it up into two transactions: one containing the initial modification and the second containing the parallel modification operation.

INSERT /*+append*/INTO tab1(col1)                              

SELECT col1
FROM tab2
where col2 in (select col2

                  from tab2
                 minus
                  select to_number(col3)
                 from tab1
                 where col4 <> 'XX')

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Author: <rgaffuri_at_cox.net
  INET: rgaffuri_at_cox.net

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