weird

No question here. Just something weird. This is a long-running insert with NO NONE ZERO ZIP ZILCH NADA commit. It makes me wonder if something weird is going on, or if I am overlooking something in the query.

SQL> select a.username,sum(b.used_ublk) x from v$session a, v$transaction b where a.taddr=b.addr group by a.username;

USERNAME                                X


------------------------------ ----------

SYSTEM                                418

1 row selected.

SQL> /

USERNAME                                X


------------------------------ ----------

SYSTEM                                893

1 row selected.

SQL> /

USERNAME                                X


------------------------------ ----------

SYSTEM                                  2

1 row selected.

SQL> /

USERNAME                                X


------------------------------ ----------

SYSTEM                               3181

1 row selected.

SQL> /

USERNAME                                X


------------------------------ ----------

SYSTEM                               3204

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-- 
Author: Stephen Lee
  INET: Stephen.Lee_at_DTAG.Com

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