P.S. In other to narrow down the column which causes the problem, could you
turn on the SQL trace with bind variables? We ‘re interested in the intcol#=:2
value and olso to verify if obj#=:1 is for the user tabke.
From: Noveljic Nenad
Sent: Donnerstag, 27. Mai 2021 14:56
To: 'Lok P' <loknath.73@xxxxxxxxx>; ORACLE-L (oracle-l@xxxxxxxxxxxxx)
<oracle-l@xxxxxxxxxxxxx>
Subject: RE: Locking issue
As it looks like, the compilation of “select * on user tables” executes
recursively:
select timestamp#, sample_size, minimum, maximum, lowval, hival, null_cnt,
avgcln, spare1, spare2 from wri$_optstat_histhead_history where obj#=:1 and
intcol#=:2 and savtime = timestamp '4000-12-01 01:00:00 -0:0'
I don’t see why the statistics history was needed in this case.
The timestamp '4000-12-01 01:00:00 -0:0' is peculiar.
The row cache 62 was allocated before executing the recursive query.
Best regards,
Nenad
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