Oracle 11g View execution Plan 10046 events
Use the 10046 event to view the real execution plan
Do the following:
SQL > conn / as sysdba
Connected.
SQL >
SQL > oradebug setmypid
Statement processed.
SQL >
SQL > oradebug event 10046 trace name context forever,level 12
Statement processed.
SQL > select count (object_id) from roidba.tt
COUNT (OBJECT_ID)
-
5524288
SQL > oradebug event 10046 trace name context off
Statement processed.
SQL > oradebug tracefile_name
/ u01/app/oracle/diag/rdbms/orcl/orcl2/trace/orcl2_ora_29019.trc
SQL >! ls-l / u01/app/oracle/diag/rdbms/orcl/orcl2/trace/orcl2_ora_29019.trc
-rw-r- 1 oracle asmadmin 3478 Apr 17 10:32 / u01/app/oracle/diag/rdbms/orcl/orcl2/trace/orcl2_ora_29019.trc
SQL >
$tkprof / u01/app/oracle/diag/rdbms/orcl/orcl2/trace/orcl2_ora_29019.trc trace.out
TKPROF: Release 11.2.0.4.0-Development on Tue Apr 17 10:37:19 2018
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
$more trace.out
TKPROF: Release 11.2.0.4.0-Development on Tue Apr 17 10:37:19 2018
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
Trace file: / u01/app/oracle/diag/rdbms/orcl/orcl2/trace/orcl2_ora_29019.trc
Sort options: default
*
Count = number of times OCI procedure was executed
Cpu = cpu time in seconds executing
Elapsed = elapsed time in seconds executing
Disk = number of physical reads of buffers from disk
Query = number of buffers gotten for consistent read
Current = number of buffers gotten in current mode (usually for update)
Rows = number of rows processed by the fetch or execute call
*
SQL ID: fp42r7m3kgabz Plan Hash: 1131838604
Select count (object_id)
From
Roidba.tt
Call count cpu elapsed disk query current rows
--
Parse 1 0.00 0.00 00 00
Execute 1 0.00 0.00 00 00
Fetch 2 0.59 0.63 0 12279 0 1
--
Total 4 0.59 0.63 0 12279 0 1
Misses in library cache during parse: 0
Optimizer mode: ALL_ROWS
Parsing user id: SYS
Number of plan statistics captured: 1
Rows (1st) Rows (avg) Rows (max) Row Source Operation
1 1 1 SORT AGGREGATE (cr=12279 pr=0 pw=0 time=631302 us)
5524288 5524288 5524288 INDEX FAST FULL SCAN IDX_OBJECT_ID (cr=12279 pr=0 pw=0 time=2086333 us cost=3335 size=
13810720 card=2762144) (object id 87785)
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
-- Waited--
SQL*Net message to client 2 0.00 0.00
SQL*Net message from client 2 7.62 7.62
*
OVERALL TOTALS FOR ALL NON-RECURSIVE STATEMENTS
Call count cpu elapsed disk query current rows
--
Parse 1 0.00 0.00 00 00
Execute 1 0.00 0.00 00 00
Fetch 2 0.59 0.63 0 12279 0 1
--
Total 4 0.59 0.63 0 12279 0 1
Misses in library cache during parse: 0
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
-- Waited--
SQL*Net message to client 3 0.00 0.00
SQL*Net message from client 3 7.62 13.91
OVERALL TOTALS FOR ALL RECURSIVE STATEMENTS
Call count cpu elapsed disk query current rows
--
Parse 0 0.00 0.00 00 00
Execute 0 0.00 0.00 00 00
Fetch 0 0.00 0.00 00 00
--
Total 0 0.00 0.00 00 00
Misses in library cache during parse: 0
1 user SQL statements in session.
0 internal SQL statements in session.
1 SQL statements in session.
*
Trace file: / u01/app/oracle/diag/rdbms/orcl/orcl2/trace/orcl2_ora_29019.trc
Trace file compatibility: 11.1.0.7
Sort options: default
1 session in tracefile.
1 user SQL statements in trace file.
0 internal SQL statements in trace file.
1 SQL statements in trace file.
1 unique SQL statements in trace file.
69 lines in trace file.
0 elapsed seconds in trace file.
