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2#
发表于 2013-8-7 16:00:53
0x250001.0x86103 ==> p2 和 p3
5 => mode
TX => name
TX row lock:
PARAMETER1 PARAMETER2 PARAMETER3
------------------------------ ------------------------------ ------------------------------
name|mode usn<<16 | slot sequence
select * from
(select lpad(ltrim(to_char(p2,'XXXXXX')),6,'0')||
'00'||
ltrim(to_char(mod(p3,256),'XX'))||
ltrim(to_char(trunc(p3/256),'XX'))||
'0000' block_xid,
to_char(p2,'XXXXXXXX') p2hex,
to_char(p3,'XXXXXXXX') p3hex,
trunc(p2/65536) usn,
mod(p2,65536) slot,
p3 sqn, xid wait_xid
from v$active_session_history
where event like 'enq: T%'
order by sample_time desc) where rownum < 2;
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