可疑的地方：
SQL ID: 0j2wcbr7801z4
Plan Hash: 805622734
select *
from
EIR_DETAILwhere CERTIFICATE_NO='ZFFSA5922-F36A983' and status>0and
Final_Pickup_Seq='1123'
call count cpuelapsed diskquerycurrentrows
------- -------------- ---------- ---------- ---------- --------------------
Parse50.00 0.00
0
0
0 0
Execute50.00 0.00
0
0
0 0
Fetch21.21 1.23 119408 123143
0 2
------- -------------- ---------- ---------- ---------- --------------------
total 121.21 1.23 119408 123143
0 2
Misses in library cache during parse: 0
Optimizer mode: ALL_ROWS
Parsing user id: 100
Elapsed times include waiting on following events:
Event waited on
Times Max. WaitTotal Waited
---------------------------------------- Waited----------------------
SQL*Net message to client
70.00
0.00
SQL*Net more data to client
230.00
0.00
SQL*Net message from client
7 7200.0215955.23
reliable message
10.00
0.00
enq: KO - fast object checkpoint
10.00
0.00
********************************************************************************
TRACE最后的结论：
********************************************************************************
OVERALL TOTALS FOR ALL NON-RECURSIVE STATEMENTS
call count cpuelapsed diskquerycurrentrows
------- -------------- ---------- ---------- ---------- --------------------
Parse2750.39 0.38
0
1
0 0
Execute2750.10 0.16
2 54206
33
Fetch2472.15 2.20 120247 145060 17 338
------- -------------- ---------- ---------- ---------- --------------------
total7972.65 2.75 120249 145115223 371
Misses in library cache during parse: 13
Misses in library cache during execute: 3
Elapsed times include waiting on following events:
Event waited on
Times Max. WaitTotal Waited
---------------------------------------- Waited----------------------
SQL*Net message to client
6510.00
0.00
SQL*Net message from client
651 7200.0218656.27
Disk file operations I/O
60.00
0.00
SQL*Net more data to client
500.00
0.00
SQL*Net more data from client
130.00
0.00
log file sync
450.00
0.01
reliable message
10.00
0.00
enq: KO - fast object checkpoint
10.00
0.00
direct path write temp
150.00
0.00
asynch descriptor resize
50.00
0.00
direct path read temp
440.00
0.01
db file sequential read
50.04
0.05
OVERALL TOTALS FOR ALL RECURSIVE STATEMENTS
call count cpuelapsed diskquerycurrentrows
------- -------------- ---------- ---------- ---------- --------------------
Parse1060.00 0.00
0
0
0 0
Execute1060.04 0.04
0 48 62
30
Fetch4280.03 0.03
0381
0 388
------- -------------- ---------- ---------- ---------- --------------------
total6400.07 0.08
0429 62 418
Misses in library cache during parse: 0
Elapsed times include waiting on following events:
Event waited on
Times Max. WaitTotal Waited
---------------------------------------- Waited----------------------
Disk file operations I/O
80.00
0.00
284userSQL statements in session.
97internal SQL statements in session.
381SQL statements in session.
********************************************************************************
Trace file: e:\app\Administrator\diag\rdbms\orcl\orcl\trace\orcl_ora_3316.trc
Trace file compatibility: 11.1.0.7
Sort options: default
9sessions in tracefile.
1247userSQL statements in trace file.
499internal SQL statements in trace file.
381SQL statements in trace file.
151unique SQL statements in trace file.
6414lines in trace file.
434886elapsed seconds in trace file.
