select sysdate,b.name useg, b.inst# instid, b.status$ status, a.ktuxeusn
xid_usn, a.ktuxeslt xid_slot, a.ktuxesqn xid_seq, a.ktuxesiz undoblocks
from x$ktuxe a, undo$ b
where a.ktuxesta = 'ACTIVE' and a.ktuxecfl like '%DEAD%'
and a.ktuxeusn = b.us#;
Char problems - The semantics of comparing character columns of different types can lead to some confusion, so before I get into the main body of this note here’s a little...
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