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最初由 lcmlsj 发布
[B]这是我对create index的跟踪,其中有许多递归调用不太理解:(直接贴出,有点长,多包涵)
create index ind_test01_EMPNO01 ON TEST01(EMPNO01)
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.00 0.04 0 1 1 0
Execute 1 0.12 2.12 3949 6189 233 0
Fetch 0 0.00 0.00 0 0 0 0
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 2 0.12 2.17 3949 6190 234 0
Misses in library cache during parse: 1
Optimizer mode: ALL_ROWS
Parsing user id: 61
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
db file scattered read 264 0.01 0.60
db file sequential read 10 0.01 0.05
control file sequential read 57 0.01 0.27
Data file init write 6 0.00 0.00
db file single write 3 0.00 0.00
control file parallel write 9 0.00 0.00
rdbms ipc reply 3 0.26 0.45
direct path write 6 0.00 0.00
SQL*Net message to client 1 0.00 0.00
SQL*Net message from client 1 0.00 0.00
********************************************************************************
select audit$,options
from
procedure$ where obj#=:1
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 4 0.00 0.00 0 0 0 0
Execute 4 0.01 0.00 0 0 0 0
Fetch 4 0.00 0.00 0 12 0 4
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 12 0.01 0.00 0 12 0 4
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
Rows Row Source Operation
------- ---------------------------------------------------
1 TABLE ACCESS BY INDEX ROWID PROCEDURE$ (cr=3 pr=0 pw=0 time=26 us)
1 INDEX UNIQUE SCAN I_PROCEDURE1 (cr=2 pr=0 pw=0 time=16 us)(object id 109)
********************************************************************************
select actionsize
from
trigger$ where obj# = :1
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 4 0.00 0.00 0 0 0 0
Execute 4 0.00 0.00 0 0 0 0
Fetch 4 0.00 0.00 0 8 0 4
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 12 0.00 0.00 0 8 0 4
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
Rows Row Source Operation
------- ---------------------------------------------------
1 TABLE ACCESS BY INDEX ROWID TRIGGER$ (cr=2 pr=0 pw=0 time=29 us)
1 INDEX UNIQUE SCAN I_TRIGGER2 (cr=1 pr=0 pw=0 time=12 us)(object id 126)
********************************************************************************
select action#
from
trigger$ where obj# = :1
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 4 0.00 0.00 0 0 0 0
Execute 4 0.01 0.00 0 0 0 0
Fetch 4 0.00 0.00 0 12 0 4
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 12 0.01 0.00 0 12 0 4
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
Rows Row Source Operation
------- ---------------------------------------------------
1 TABLE ACCESS BY INDEX ROWID TRIGGER$ (cr=2 pr=0 pw=0 time=25 us)
1 INDEX UNIQUE SCAN I_TRIGGER2 (cr=1 pr=0 pw=0 time=11 us)(object id 126)
********************************************************************************
select baseobject,type#,update$,insert$,delete$,refnewname,refoldname,
whenclause,definition,enabled,property,sys_evts,nttrigcol,nttrigatt,
refprtname,rowid
from
trigger$ where obj# =:1
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 4 0.00 0.00 0 0 0 0
Execute 4 0.01 0.00 0 0 0 0
Fetch 4 0.00 0.00 0 8 0 4
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 12 0.01 0.00 0 8 0 4
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
Rows Row Source Operation
------- ---------------------------------------------------
1 TABLE ACCESS BY INDEX ROWID TRIGGER$ (cr=2 pr=0 pw=0 time=28 us)
1 INDEX UNIQUE SCAN I_TRIGGER2 (cr=1 pr=0 pw=0 time=11 us)(object id 126)
********************************************************************************
select tc.type#,tc.intcol#,tc.position#,c.type#, c.length,c.scale,
c.precision#,c.charsetid,c.charsetform
from
triggercol$ tc,col$ c ,trigger$ tr where tc.obj#=:1 and c.obj#=:2 and
tc.intcol#=c.intcol# and tr.obj# = tc.obj# and (bitand(tr.property,32) !=
32 or bitand(tc.type#,20) = 20) union select type#,intcol#,position#,69,0,0,
0,0,0 from triggercol$ where obj#=:3 and intcol#=1001 union select tc.type#,
tc.intcol#,tc.position#,121,0,0,0,0,0 from triggercol$ tc,trigger$ tr where
tr.obj# = tc.obj# and bitand(tr.property,32) = 32 and tc.obj# = :4 and
bitand(tc.type#,20) != 20
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 4 0.01 0.00 0 0 0 0
Execute 4 0.03 0.00 0 0 0 0
Fetch 4 0.00 0.01 1 32 0 0
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 12 0.04 0.02 1 32 0 0
Misses in library cache during parse: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
Rows Row Source Operation
------- ---------------------------------------------------
0 SORT UNIQUE (cr=8 pr=1 pw=0 time=11054 us)
0 UNION-ALL (cr=8 pr=1 pw=0 time=11033 us)
0 HASH JOIN (cr=4 pr=0 pw=0 time=196 us)
0 NESTED LOOPS (cr=4 pr=0 pw=0 time=51 us)
1 TABLE ACCESS BY INDEX ROWID TRIGGER$ (cr=2 pr=0 pw=0 time=33 us)
1 INDEX UNIQUE SCAN I_TRIGGER2 (cr=1 pr=0 pw=0 time=15 us)(object id 126)
0 TABLE ACCESS CLUSTER COL$ (cr=2 pr=0 pw=0 time=13 us)
0 INDEX UNIQUE SCAN I_OBJ# (cr=2 pr=0 pw=0 time=9 us)(object id 3)
0 INDEX RANGE SCAN I_TRIGGERCOL2 (cr=0 pr=0 pw=0 time=0 us)(object id 128)
0 INDEX RANGE SCAN I_TRIGGERCOL2 (cr=2 pr=1 pw=0 time=10787 us)(object id 128)
0 NESTED LOOPS (cr=2 pr=0 pw=0 time=28 us)
0 TABLE ACCESS BY INDEX ROWID TRIGGER$ (cr=2 pr=0 pw=0 time=25 us)
1 INDEX UNIQUE SCAN I_TRIGGER2 (cr=1 pr=0 pw=0 time=8 us)(object id 126)
0 INDEX RANGE SCAN I_TRIGGERCOL2 (cr=0 pr=0 pw=0 time=0 us)(object id 128)
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
db file sequential read 1 0.01 0.01
********************************************************************************
insert into obj$(owner#,name,namespace,obj#,type#,ctime,mtime,stime,status,
remoteowner,linkname,subname,dataobj#,flags,oid$,spare1,spare2)
values
(:1,:2,:3,:4,:5,:6,:7,:8,:9,:10,:11,:12,:13,:14,:15,:16, :17)
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.00 0.00 0 0 0 0
Execute 1 0.00 0.00 0 1 6 1
Fetch 0 0.00 0.00 0 0 0 0
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 2 0.00 0.00 0 1 6 1
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
********************************************************************************
select file#
from
file$ where ts#=:1
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 10 0.00 0.00 0 0 0 0
Execute 10 0.01 0.00 0 0 0 0
Fetch 20 0.00 0.00 0 40 0 10
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 40 0.01 0.00 0 40 0 10
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
Rows Row Source Operation
------- ---------------------------------------------------
1 TABLE ACCESS FULL FILE$ (cr=4 pr=0 pw=0 time=41 us)
********************************************************************************
select distinct(-privilege#),nvl(option$,0)
from
sysauth$ where grantee#=:1 and privilege#<0
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.00 0.00 0 0 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 2 0.00 0.00 0 4 0 1
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 4 0.00 0.00 0 4 0 1
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
Rows Row Source Operation
------- ---------------------------------------------------
1 SORT UNIQUE (cr=4 pr=0 pw=0 time=112 us)
1 TABLE ACCESS FULL SYSAUTH$ (cr=4 pr=0 pw=0 time=84 us)
********************************************************************************
select type#,blocks,extents,minexts,maxexts,extsize,extpct,user#,iniexts,
NVL(lists,65535),NVL(groups,65535),cachehint,hwmincr, NVL(spare1,0),
NVL(scanhint,0)
from
seg$ where ts#=:1 and file#=:2 and block#=:3
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.00 0.00 0 0 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 1 0.00 0.00 0 2 0 0
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 3 0.00 0.00 0 2 0 0
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
Rows Row Source Operation
------- ---------------------------------------------------
0 TABLE ACCESS CLUSTER SEG$ (cr=2 pr=0 pw=0 time=22 us)
0 INDEX UNIQUE SCAN I_FILE#_BLOCK# (cr=2 pr=0 pw=0 time=15 us)(object id 9)
********************************************************************************
select con#,obj#,rcon#,enabled,nvl(defer,0)
from
cdef$ where robj#=:1
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.00 0.00 0 0 0 0
Execute 3 0.00 0.00 0 0 0 0
Fetch 3 0.00 0.00 0 3 0 0
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 7 0.00 0.00 0 3 0 0
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 2)
Rows Row Source Operation
------- ---------------------------------------------------
0 TABLE ACCESS BY INDEX ROWID CDEF$ (cr=1 pr=0 pw=0 time=27 us)
0 INDEX RANGE SCAN I_CDEF3 (cr=1 pr=0 pw=0 time=21 us)(object id 52)
********************************************************************************
select con#,type#,condlength,intcols,robj#,rcon#,match#,refact,nvl(enabled,0),
rowid,cols,nvl(defer,0),mtime,nvl(spare1,0)
from
cdef$ where obj#=:1
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.00 0.00 0 0 0 0
Execute 3 0.00 0.00 0 0 0 0
Fetch 41 0.00 0.00 0 82 0 38
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 45 0.00 0.00 0 82 0 38
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 2)
Rows Row Source Operation
------- ---------------------------------------------------
16 TABLE ACCESS BY INDEX ROWID CDEF$ (cr=34 pr=0 pw=0 time=43 us)
16 INDEX RANGE SCAN I_CDEF2 (cr=18 pr=0 pw=0 time=127 us)(object id 51)
********************************************************************************
select intcol#,nvl(pos#,0),col#,nvl(spare1,0)
from
ccol$ where con#=:1
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.00 0.00 0 0 0 0
Execute 38 0.00 0.00 0 0 0 0
Fetch 76 0.00 0.00 0 152 0 38
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 115 0.00 0.00 0 152 0 38
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 2)
Rows Row Source Operation
------- ---------------------------------------------------
1 TABLE ACCESS BY INDEX ROWID CCOL$ (cr=4 pr=0 pw=0 time=42 us)
1 INDEX RANGE SCAN I_CCOL1 (cr=3 pr=0 pw=0 time=29 us)(object id 54)
********************************************************************************
insert into seg$ (file#,block#,type#,ts#,blocks,extents,minexts,maxexts,
extsize,extpct,user#,iniexts,lists,groups,cachehint,bitmapranges,hwmincr,
spare1, scanhint)
values
(:1,:2,:3,:4,:5,:6,:7,:8,:9,:10,:11,:12,:13,:14,:15,0,:16,DECODE(:17,0,NULL,
:17),:18)
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.01 0.00 0 0 0 0
Execute 1 0.00 0.00 0 3 7 1
Fetch 0 0.00 0.00 0 0 0 0
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 2 0.01 0.00 0 3 7 1
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
********************************************************************************
select file#, block#
from
seg$ where type# = 3 and ts# = :1
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 6 0.00 0.00 0 0 0 0
Execute 6 0.00 0.00 0 0 0 0
Fetch 12 0.00 0.00 0 42 0 6
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 24 0.00 0.00 0 42 0 6
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
Rows Row Source Operation
------- ---------------------------------------------------
1 TABLE ACCESS CLUSTER SEG$ (cr=7 pr=0 pw=0 time=53 us)
3 INDEX RANGE SCAN I_FILE#_BLOCK# (cr=3 pr=0 pw=0 time=27 us)(object id 9)
********************************************************************************
select obj#, type#, flags, related, bo, purgeobj, con#
from
RecycleBin$ where ts#=:1 and to_number(bitand(flags, 16)) = 16 order
by dropscn
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 6 0.00 0.00 0 0 0 0
Execute 6 0.00 0.00 0 0 0 0
Fetch 6 0.00 0.00 0 6 0 0
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 18 0.00 0.00 0 6 0 0
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
Rows Row Source Operation
------- ---------------------------------------------------
0 SORT ORDER BY (cr=1 pr=0 pw=0 time=37 us)
0 TABLE ACCESS BY INDEX ROWID RECYCLEBIN$ (cr=1 pr=0 pw=0 time=22 us)
0 INDEX RANGE SCAN RECYCLEBIN$_TS (cr=1 pr=0 pw=0 time=16 us)(object id 704)
********************************************************************************
update seg$ set type#=:4,blocks=:5,extents=:6,minexts=:7,maxexts=:8,extsize=
:9,extpct=:10,user#=:11,iniexts=:12,lists=decode(:13, 65535, NULL, :13),
groups=decode(:14, 65535, NULL, :14), cachehint=:15, hwmincr=:16, spare1=
DECODE(:17,0,NULL,:17),scanhint=:18
where
ts#=:1 and file#=:2 and block#=:3
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 5 0.00 0.00 0 0 0 0
Execute 5 0.01 0.01 0 25 6 5
Fetch 0 0.00 0.00 0 0 0 0
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 10 0.01 0.01 0 25 6 5
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
Rows Row Source Operation
------- ---------------------------------------------------
0 UPDATE SEG$ (cr=5 pr=0 pw=0 time=246 us)
1 TABLE ACCESS CLUSTER SEG$ (cr=5 pr=0 pw=0 time=111 us)
1 INDEX UNIQUE SCAN I_FILE#_BLOCK# (cr=2 pr=0 pw=0 time=18 us)(object id 9)
********************************************************************************
select parttype, partcnt, partkeycols, flags, defts#, defpctfree, defpctused,
definitrans, defmaxtrans, deftiniexts, defextsize, defminexts, defmaxexts,
defextpct, deflists, defgroups, deflogging, spare1, mod(spare2, 256)
subparttype, mod(trunc(spare2/256), 256) subpartkeycols,
mod(trunc(spare2/65536), 65536) defsubpartcnt, mod(trunc(spare2/4294967296),
256) defhscflags
from
partobj$ where obj# = :1
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.00 0.00 0 0 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 1 0.00 0.00 0 1 0 0
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 3 0.00 0.00 0 1 0 0
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
Rows Row Source Operation
------- ---------------------------------------------------
0 TABLE ACCESS BY INDEX ROWID PARTOBJ$ (cr=1 pr=0 pw=0 time=19 us)
0 INDEX UNIQUE SCAN I_PARTOBJ$ (cr=1 pr=0 pw=0 time=12 us)(object id 263)
********************************************************************************
select blocks,maxblocks,grantor#,priv1,priv2,priv3
from
tsq$ where ts#=:1 and user#=:2
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.00 0.00 0 0 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 1 0.00 0.00 0 2 0 1
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 3 0.00 0.00 0 2 0 1
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
Rows Row Source Operation
------- ---------------------------------------------------
1 TABLE ACCESS CLUSTER TSQ$ (cr=2 pr=0 pw=0 time=37 us)
1 INDEX UNIQUE SCAN I_USER# (cr=1 pr=0 pw=0 time=14 us)(object id 11)
********************************************************************************
insert into icol$(obj#,bo#,intcol#,pos#,segcol#,segcollength,offset,col#,
spare1,spare2)
values
(:1,:2,:3,:4,0,0,0,:5,:6,:7)
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.00 0.00 0 0 0 0
Execute 1 0.00 0.00 0 2 3 1
Fetch 0 0.00 0.00 0 0 0 0
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 2 0.00 0.00 0 2 3 1
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
********************************************************************************
insert into ind$(bo#,obj#,ts#,file#,block#,intcols,type#,flags,property,
pctfree$,initrans,maxtrans,blevel,leafcnt,distkey,lblkkey,dblkkey,clufac,
cols,analyzetime,samplesize,dataobj#,degree,instances,rowcnt,pctthres$,
indmethod#,trunccnt,spare1,spare4,spare2,spare6)
values
(:1,:2,:3,:4,:5,:6,:7,:8,:9,:10,:11,:12,:13,:14,:15,:16,:17,:18,:19,:20,:21,
:22,decode(:23,1,null,:23),decode(:24,1,null,:24),:25, :32*256+:26,:27,:28,
:29,:30,:31,:33)
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.01 0.00 0 0 0 0
Execute 1 0.00 0.00 0 2 3 1
Fetch 0 0.00 0.00 0 0 0 0
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 2 0.01 0.01 0 2 3 1
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
---------------------------------------- Waited ---------- ------------
SQL*Net break/reset to client 2 0.00 0.00
SQL*Net message to client 1 0.00 0.00
SQL*Net message from client 1 0.00 0.00
********************************************************************************
update obj$ set obj#=:6,type#=:7,ctime=:8,mtime=:9,stime=:10,status=:11,
dataobj#=:13,flags=:14,oid$=:15,spare1=:16, spare2=:17
where
owner#=:1 and name=:2 and namespace=:3 and(remoteowner=:4 or remoteowner is
null and :4 is null)and(linkname=:5 or linkname is null and :5 is null)
and(subname=:12 or subname is null and :12 is null)
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.00 0.00 0 0 0 0
Execute 1 0.01 0.00 0 2 1 1
Fetch 0 0.00 0.00 0 0 0 0
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 2 0.01 0.00 0 2 1 1
Misses in library cache during parse: 1
Misses in library cache during execute: 1
Optimizer mode: CHOOSE
Parsing user id: SYS (recursive depth: 1)
Rows Row Source Operation
------- ---------------------------------------------------
0 UPDATE OBJ$ (cr=2 pr=0 pw=0 time=143 us)
1 INDEX RANGE SCAN I_OBJ2 (cr=2 pr=0 pw=0 time=34 us)(object id 37) [/B]
对于这些recursive sql, 相关的表以及字段意思请参考?/rdbms/admin/sql.bsq |
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