Query takes large time to execute
Hi,
These are interview questions:
1. If the query takes lot of time to execute, what should be the preliminary analysis done by a DBA
2. If we have system, users, rollback and temporary tablespaces, 2 disks disk1 and disk2, how should the tablespaces be distributed on the disks
I am interested to know the answers. Kindly respond
Thanks and Regards
Sumit Sharma
2. If we have system, users, rollback and temporary tablespaces, 2 disks disk1 and disk2, how should the tablespaces be distributed on the disks
2 disk are not enough for a good distribution but however you could the best possible with that.
Really the optimal distribution of disk must be so:
DISK1: Tablespaces of data, One Controlfile, Redo Logs ( 1 member per group )
DISK2: Redo Logs ( 1 member per group ), One Controlfile
DISK3: Tablespaces for Indexes, Redo Logs ( 1 member per group ), One Controlfile
DISK4: Archives, Rollback Segments
Joel Pérez
http://otn.oracle.com/experts
Similar Messages
-
What is the reason for query take more time to execute
Hi,
What is the reason for the query take more time inside procedure.
but if i execute that query alone then it excute within a minutes.
query includes update and insert.I have a insert and update query when I execute
without Procedure then that query execute faster but
If I execute inside procedure then It takes 2 hours
to execute.Put you watch 2 hours back and the problem will disappear.
do you understand what I want to say?I understood what you wanted to say and I understood you didn't understood what I said.
What does the procedure, what does the query, how can you say the query does the same as the procedure that takes longer. You didn't say anything useful to have an idea of what you're talking about.
Everyone knows what means that something is slower than something else, but it means nothing if you don't say what you're talking about.
To begin with something take a look at this
When your query takes too long ...
especially the part regarding the trace.
Bye Alessandro -
Query takes long time to execute.
Hi All,
I have one query that takes 5 minutes to execute.
The query depends on four tables.
The table IBS_WORK_BANKDATA and IBS_ORG_BANKDATA contains 25 lack records. Table IBS_CURRENCYMASTER have 250 records and IBS_CURRENCYEEXCHANGERATE have 50 records.
Out put of query contains 3500 records.
Oracle version is 9.0.1.1 and OS is windows 2003 server.
Query:
select distinct trim(wrk.bd_alcd) as ALCD, wrk.bd_typecd as TypeCD, wrk.bd_forcd as FORCD, wrk.bd_curcd as CURCD,
wrk.bd_councd as COUNCD, wrk.bd_sectcd as SECCD,
wrk.bd_matcd as MATCD, wrk.bd_c_u_cd as C_U_CD, wrk.bd_s_u_cd as S_U_CD,
0 as Org_FCBal,0 as ORG_Bal,case when wrk.bd_type='O' then wrk.bd_fc_bal else 0 end as Main_FCBal,
case when wrk.bd_type='O' then (wrk.bd_fc_bal * nvl(exchg.cer_exchangerate, 1)) else 0 end as main_Bal,
wrk.bd_rs_int,wrk.bd_rs_bal,wrk.bd_fc_int,wrk.bd_fc_bal,
' ' as TrackChangs
from ibs_work_bankdata wrk inner join ibs_org_bankdata org ON org.bd_yrqtr = wrk.bd_yrqtr and org.bd_bkcode=wrk.bd_bkcode and org.bd_forcd = wrk.bd_forcd
and wrk.BD_YRQTR=20044 and wrk.BD_BKCODE ='000'
and wrk.BD_ALCD = '51' and wrk.BD_FORCD ='IN' and wrk.BD_TYPECD = '11'
left join ibs_currencymaster curmst on curmst.cur_code = wrk.bd_curcd
left join ibs_currencyexchangerate exchg on exchg.cer_currencyid = curmst.cur_id
and exchg.cer_yearqtr = 20051 and exchg.CER_ACTIVE=1
Explain Plan:
SELECT STATEMENT, GOAL = CHOOSE Cost=26 Cardinality=1 Bytes=157
SORT UNIQUE Cost=26 Cardinality=1 Bytes=157
TABLE ACCESS BY INDEX ROWID Object owner=RBI Object name=IBS_ORG_BANKDATA Cost=2 Cardinality=204 Bytes=2856
NESTED LOOPS Cost=26 Cardinality=1 Bytes=157
NESTED LOOPS OUTER Cost=24 Cardinality=1 Bytes=143
NESTED LOOPS OUTER Cost=23 Cardinality=1 Bytes=93
TABLE ACCESS BY INDEX ROWID Object owner=RBI Object name=IBS_WORK_BANKDATA Cost=22 Cardinality=1 Bytes=52
INDEX SKIP SCAN Object owner=RBI Object name=IBS_WORK_BANKDATA_IDX Cost=7 Cardinality=1
TABLE ACCESS FULL Object owner=RBI Object name=IBS_CURRENCYMASTER Cost=1 Cardinality=178 Bytes=7298
TABLE ACCESS FULL Object owner=RBI Object name=IBS_CURRENCYEXCHANGERATE Cost=1 Cardinality=19 Bytes=950
INDEX RANGE SCAN Object owner=RBI Object name=IBS_ORG_BANKDATA_IDX Cost=1 Cardinality=204
Please help me.
Thanks in advance,
Prathamesh.Hi prathemesh,
Check whether the tables accessed by the query are recently analyzed.
Thanks,
Sathis. -
Query take more time to execute
Hi
I am using in sql select statement two non exist statements it is taken more time to execute the query ,non exist is any impact query performance
thank's[email protected] wrote:
I am using in sql select statement two non exist statements it is taken more time to execute the query ,non exist is any impact query performanceI have a query that is using even more time to execute. Do I win? -
Update query takes much time to execute
Hi Experts,
I need help regarding performance of the query.
update TEST_TAB
set fail=1, msg='HARD'
where id in (
select src.id from TEST_TAB src
inner join TEST_TAB l_1 on src.email=l_1.email and l_1.database_id=335090 and l_1.msg='HARD' and l_1.fail=1
inner join TEST_TAB l_2 on src.email=l_2.email and l_2.database_id=338310 and l_2.msg='HARD' and l_2.fail=1
inner join TEST_TAB l_3 on src.email=l_3.email and l_3.database_id=338470 and l_3.msg='HARD' and l_3.fail=1
where src.database_id=1111111;
This query is running for too long, takes >1 hour and it updates 26000 records.
But, if we run inner select query
select src.id from TEST_TAB src
inner join TEST_TAB l_1 on src.email=l_1.email and l_1.database_id=335090 and l_1.msg='HARD' and l_1.fail=1
inner join TEST_TAB l_2 on src.email=l_2.email and l_2.database_id=338310 and l_2.msg='HARD' and l_2.fail=1
inner join TEST_TAB l_3 on src.email=l_3.email and l_3.database_id=338470 and l_3.msg='HARD' and l_3.fail=1
where src.database_id=1111111
It takes <1 minute to execute.
Please give me suggetions in the update query so that i will improve performance of the query.SELECT src.id FROM lead src
inner join lead l_1 ON src.email=l_1.email AND
l_1.database_id=335090 AND l_1.bounce_msg_t='HARD' AND l_1.failed=1
inner join lead l_2 ON src.email=l_2.email AND
l_2.database_id=338310 AND l_2.bounce_msg_t='HARD' AND l_2.failed=1
inner join lead l_3 ON src.email=l_3.email AND
l_3.database_id=338470 AND l_3.bounce_msg_t='HARD' AND l_3.failed=1
WHERE src.database_id=264170;
Operation Object Name Rows Bytes Cost Object Node In/Out PStart PStop
SELECT STATEMENT Optimizer Mode=ALL_ROWS 1 10453
TABLE ACCESS BY INDEX ROWID LEAD 1 32 27
NESTED LOOPS 1 130 10453
HASH JOIN 1 98 10426
HASH JOIN 199 12 K 6950
TABLE ACCESS BY INDEX ROWID LEAD 202 6 K 3476
INDEX RANGE SCAN LEAD_DATABASE_FK_I 94 K 259
TABLE ACCESS BY INDEX ROWID LEAD 94 K 3 M 3473
INDEX RANGE SCAN LEAD_DATABASE_FK_I 94 K 259
TABLE ACCESS BY INDEX ROWID LEAD 202 6 K 3476
INDEX RANGE SCAN LEAD_DATABASE_FK_I 94 K 259
INDEX RANGE SCAN LEAD_IDX_4 24 3 Update for one row.
UPDATE lead SET failed=1, bounce_msg_t='HARD'
WHERE id IN (SELECT src.id FROM lead src
inner join lead l_1 ON src.email=l_1.email AND
l_1.database_id=335090 AND l_1.bounce_msg_t='HARD' AND l_1.failed=1
inner join lead l_2 ON src.email=l_2.email AND
l_2.database_id=338310 AND l_2.bounce_msg_t='HARD' AND l_2.failed=1
inner join lead l_3 ON src.email=l_3.email AND
l_3.database_id=338470 AND l_3.bounce_msg_t='HARD' AND l_3.failed=1
WHERE src.database_id=264170
AND ROWNUM=1)
Operation Object Name Rows Bytes Cost Object Node In/Out PStart PStop
UPDATE STATEMENT Optimizer Mode=ALL_ROWS 1 10456
UPDATE LEAD
NESTED LOOPS 1 32 10456
VIEW VW_NSO_1 1 13 10453
SORT UNIQUE 1 130
COUNT STOPKEY
TABLE ACCESS BY INDEX ROWID LEAD 1 32 27
NESTED LOOPS 1 130 10453
HASH JOIN 1 98 10426
HASH JOIN 199 12 K 6950
TABLE ACCESS BY INDEX ROWID LEAD 202 6 K 3476
INDEX RANGE SCAN LEAD_DATABASE_FK_I 94 K 259
TABLE ACCESS BY INDEX ROWID LEAD 94 K 3 M 3473
INDEX RANGE SCAN LEAD_DATABASE_FK_I 94 K 259
TABLE ACCESS BY INDEX ROWID LEAD 202 6 K 3476
INDEX RANGE SCAN LEAD_DATABASE_FK_I 94 K 259
INDEX RANGE SCAN LEAD_IDX_4 24 3
TABLE ACCESS BY INDEX ROWID LEAD 1 19 2
INDEX UNIQUE SCAN LEADS_PK 1 1 -
Query takes long time to execute on exceptional cases
Hi Tuning Experts,
My query runs on prod db on daily basis on fixed scheduled time, out of seven days, for 1-2 exeptional days it takes 7-10 hr which takes 10-15 min on rest of the days.
I want to do RCA for it, so please help me how i can proceed. either i go with
AUTOTRACE,TKPROF, EXPLAIN PLAN or STATSPACK, which is best method to find out the real culprit.
Regards
AsifTo answer your question...
Running AUTOTRACE and EXPLAIN PLAN against the query in your development environment won't help diagnose the abnormal executions in production. Statspack is a global thing. It's a good thing to run but probably of insufficient granularity for here.
TKPROF is an anlyzing tool. You need something to analyze. Read this article on Interpreting Wait Events to find out how to set the 10046 event to gather evidence.
Cheers, APC -
Hi All,
I have cloned KSB1 tcode to custom one as required by business.
Below query takes more time than excepted.
Here V_DB_TABLE = COVP.
Values in Where clause are as follows
OBNJR in ( KSBB010000001224 BT KSBB012157221571)
GJAHR in blank
VERSN in '000'
WRTTP in '04' and '11'
all others are blank
VT_VAR_COND = ( CPUDT BETWEEN '20091201' and '20091208' )
SELECT (VT_FIELDS) INTO CORRESPONDING FIELDS OF GS_COVP_EXT
FROM (V_DB_TABLE)
WHERE LEDNR = '00'
AND OBJNR IN LR_OBJNR
AND GJAHR IN GR_GJAHR
AND VERSN IN GR_VERSN
AND WRTTP IN GR_WRTTP
AND KSTAR IN LR_KSTAR
AND PERIO IN GR_PERIO
AND BUDAT IN GR_BUDAT
AND PAROB IN GR_PAROB
AND (VT_VAR_COND).
Checked in table for this condition it has only 92 entries.
But when i execute program takes long time as 3 Hrs.
Could any one help me on this>1.Dont use SELECT/ENDSELECT instead use INTO TABLE addition .
> 2.Avoid using corresponding addition.create a type and reference it.
> If the select is going for dump beacause of storage limitations ,then use Cursors.
you got three large NOs .... all three recommendations are wrong!
The SE16 test is going in the right direction ... but what was filled. Nobody knows!!!!
Select options:
Did you ever try to trace the SE16? The generic statement has for every field an in-condition!
Without the information what was actually filled, nobody can say something there
are at least 2**n combinations possible!
Use ST05 for SE16 and check actual statement plus explain! -
Stopping a Query taking more time to execute in runtime in Oracle Forms.
Hi,
In the present application one of the oracle form screen is taking long time to execute a query, user wanted an option to stop the query in between and browse the result (whatever has been fetched before stopping the query).
We have tried three approach.
1. set max fetch record in form and block level.
2. set max fetch time in form and block level.
in above two method does not provide the appropiate solution for us.
3. the third approach we applied is setting the interaction mode to "NON BLOCKING" at the form level.
It seems to be worked, while the query took long time to execute, oracle app server prompts an message to press Esc to cancel the query and it a displaying the results fetched upto that point.
But the drawback is one pressing esc, its killing the session itself. which is causing the entire application to collapse.
Please suggest if there is any alternative approach for this or how to overcome this perticular scenario.
This kind of facility is alreday present in TOAD and PL/SQL developer where we can stop an executing query and browse the results fetched upto that point, is the similar facility is avialable in oracle forms ,please suggest.
Thanks and Regards,
Suraj
Edited by: user10673131 on Jun 25, 2009 4:55 AMHello Friend,
You query will definitely take more time or even fail in PROD,becuase the way it is written. Here are my few observations, may be it can help :-
1. XLA_AR_INV_AEL_SL_V XLA_AEL_SL_V : Never use a view inside such a long query , becuase View is just a window to the records.
and when used to join other table records, then all those tables which are used to create a view also becomes part of joining conition.
First of all please check if you really need this view. I guess you are using to check if the records have been created as Journal entries or not ?
Please check the possbility of finding it through other AR tables.
2. Remove _ALL tables instead use the corresponding org specific views (if you are in 11i ) or the sysnonymns ( in R12 )
For example : For ra_cust_trx_types_all use ra_cust_trx_types.
This will ensure that the query will execute only for those ORG_IDs which are assigned to that responsibility.
3. Check with the DBA whether the GATHER SCHEMA STATS have been run atleast for ONT and RA tables.
You can also check the same using
SELECT LAST_ANALYZED FROM ALL_TABLES WHERE TABLE_NAME = 'ra_customer_trx_all'.
If the tables are not analyzed , the CBO will not be able to tune your query.
4. Try to remove the DISTINCT keyword. This is the MAJOR reason for this problem.
5. If its a report , try to separate the logic in separate queries ( using a procedure ) and then populate the whole data in custom table, and use this custom table for generating the
report.
Thanks,
Neeraj Shrivastava
[email protected]
Edited by: user9352949 on Oct 1, 2010 8:02 PM
Edited by: user9352949 on Oct 1, 2010 8:03 PM -
Count (*) for select stmt take more time than execute a that sql stmt
HI
count (*) for select stmt take more time than execute a that sql stmt
executing particular select stmt take 2.47 mins but select stmt is using the /*+parallel*/ (sql optimer) in that sql command for faster execute .
but if i tried to find out total number of rows in that query it takes more time ..
almost 2.30 hrs still running to find count(col)
please help me to get count of row faster.
thanks in advance...797525 wrote:
HI
count (*) for select stmt take more time than execute a that sql stmt
executing particular select stmt take 2.47 mins but select stmt is using the /*+parallel*/ (sql optimer) in that sql command for faster execute .
but if i tried to find out total number of rows in that query it takes more time ..
almost 2.30 hrs still running to find count(col)
please help me to get count of row faster.
thanks in advance...That may be because your client is displaying only the first few records when you are running the "SELECT *". But when you run "COUNT(*)", the whole records has to be counted.
As already mentined please read teh FAQ to post tuning questions. -
One query taking different time to execute on different environments
I am working on Oracle 10g. We have setup of two different environments - Development and Alpha.
I have written a query which gets some records from a table. This table contains around 1,000,000 records on both the environments.
This query takes 5 seconds to execute on Development environment to get 200 records but the same query takes around 50 seconds to execute on Alpha environment and to retrieve same number of records.
Data and indexes on the table is same on both environments. There are no joins in the query.
Please let me know what are the all possible reasons for this?
Edited by: 956610 on Sep 3, 2012 2:37 AMBelow is the trace on the two environments ---
-----------------------Development ------------------------------
CPU used by this session 1741
CPU used when call started 1741
Cached Commit SCN referenced 15634
DB time 1752
Effective IO time 7236
Number of read IOs issued 173
SQL*Net roundtrips to/from client 14
buffer is not pinned count 90474
buffer is pinned count 264554
bytes received via SQL*Net from client 4507
bytes sent via SQL*Net to client 28859
calls to get snapshot scn: kcmgss 6
calls to kcmgcs 13
cell physical IO interconnect bytes 165330944
cleanout - number of ktugct calls 5273
cleanouts only - consistent read gets 5273
commit txn count during cleanout 5273
consistent gets 202533
consistent gets - examination 101456
consistent gets direct 19686
consistent gets from cache 182847
consistent gets from cache (fastpath) 81013
enqueue releases 3
enqueue requests 3
execute count 6
file io wait time 1582
immediate (CR) block cleanout applications 5273
index fetch by key 36608
index scans kdiixs1 36582
no buffer to keep pinned count 8
no work - consistent read gets 95791
non-idle wait count 42
non-idle wait time 2
opened cursors cumulative 6
parse count (hard) 1
parse count (total) 6
parse time cpu 1
parse time elapsed 2
physical read IO requests 181
physical read bytes 163299328
physical read total IO requests 181
physical read total bytes 163299328
physical read total multi block requests 162
physical reads 19934
physical reads direct 19934
physical reads direct temporary tablespace 248
physical write IO requests 8
physical write bytes 2031616
physical write total IO requests 8
physical write total bytes 2031616
physical write total multi block requests 8
physical writes 248
physical writes direct 248
physical writes direct temporary tablespace 248
physical writes non checkpoint 248
recursive calls 31
recursive cpu usage 1
rows fetched via callback 23018
session cursor cache hits 4
session logical reads 202533
session uga memory max 65488
sorts (memory) 3
sorts (rows) 19516
sql area evicted 2
table fetch by rowid 140921
table scan blocks gotten 19686
table scan rows gotten 2012896
table scans (direct read) 2
table scans (long tables) 2
user I/O wait time 2
user calls 16
workarea executions - onepass 4
workarea executions - optimal 7
workarea memory allocated 17
------------------------------------------------------ For Alpha ------------------------------------------------------------------
CCursor + sql area evicted 1
CPU used by this session 5763
CPU used when call started 5775
Cached Commit SCN referenced 9264
Commit SCN cached 1
DB time 6999
Effective IO time 4262103
Number of read IOs issued 2155
OS All other sleep time 10397
OS Chars read and written 340383180
OS Involuntary context switches 18766
OS Other system trap CPU time 27
OS Output blocks 12445
OS Process stack size 24576
OS System call CPU time 223
OS System calls 20542
OS User level CPU time 5526
OS User lock wait sleep time 86045
OS Voluntary context switches 15739
OS Wait-cpu (latency) time 273
SQL*Net roundtrips to/from client 14
buffer is not pinned count 2111
buffer is pinned count 334
bytes received via SQL*Net from client 4486
bytes sent via SQL*Net to client 28989
calls to get snapshot scn: kcmgss 510
calls to kcmgas 4
calls to kcmgcs 119
cell physical IO interconnect bytes 340041728
cleanout - number of ktugct calls 1
cleanouts only - consistent read gets 1
cluster key scan block gets 179
cluster key scans 168
commit txn count during cleanout 1
consistent gets 41298
consistent gets - examination 722
consistent gets direct 30509
consistent gets from cache 10789
consistent gets from cache (fastpath) 9038
cursor authentications 2
db block gets 7
db block gets from cache 7
dirty buffers inspected 1
enqueue releases 58
enqueue requests 58
execute count 510
file io wait time 6841235
free buffer inspected 8772
free buffer requested 8499
hot buffers moved to head of LRU 27
immediate (CR) block cleanout applications 1
index fast full scans (full) 1
index fetch by key 196
index scans kdiixs1 331
no work - consistent read gets 40450
non-idle wait count 1524
non-idle wait time 1208
opened cursors cumulative 511
parse count (hard) 39
parse count (total) 44
parse time cpu 78
parse time elapsed 343
physical read IO requests 3293
physical read bytes 329277440
physical read total IO requests 3293
physical read total bytes 329277440
physical read total multi block requests 1951
physical reads 40195
physical reads cache 8498
physical reads cache prefetch 7467
physical reads direct 31697
physical reads direct temporary tablespace 1188
physical write IO requests 126
physical write bytes 10764288
physical write total IO requests 126
physical write total bytes 10764288
physical writes 1314
physical writes direct 1314
physical writes direct temporary tablespace 1314
physical writes non checkpoint 1314
prefetched blocks aged out before use 183
recursive calls 1329
recursive cpu usage 76
rows fetched via callback 7
session cursor cache count 8
session cursor cache hits 491
session logical reads 41305
session pga memory max 851968
session uga memory -660696
session uga memory max 3315160
shared hash latch upgrades - no wait 14
sorts (disk) 1
sorts (memory) 177
sorts (rows) 21371
sql area evicted 10
table fetch by rowid 613
table scan blocks gotten 30859
table scan rows gotten 3738599
table scans (direct read) 4
table scans (long tables) 8
table scans (short tables) 3
user I/O wait time 1208
user calls 16
workarea executions - onepass 7
workarea executions - optimal 113
workarea memory allocated -617 -
Query Take more time on timesten
Hi
One query takes lot of time on timesten , while the same query takes less time on oracle
Query :-
select *
from (SELECT RELD_EM_ENTITY_ID,
RELD_EXM_EXCH_ID,
RELD_SEGMENT_TYPE,
NVL(RELD_ACC_TYPE, 0) ACC_TYPE, --END ASHA
ROUND(NVL(sum(RELD_RTO_EXP), -1), 2) RTO_EXP,
ROUND(NVL(sum(RELD_NE_EXP), -1), 2) NET_EXP,
ROUND(NVL(sum(RELD_MAR_UTILIZATION), -1),
2) MAR_EXP,
ROUND(decode(sign(sum(C.reld_m2m_exp)),
-1,
abs(sum(C.reld_m2m_exp)),
0),
2) M2M_EXP,
NVL(OLM_SUSPNSN_FLG, 'A') SUSPNSN_FLG,
EM_RP_PROFILE_ID
FROM ENTITY_MASTER A,
ORDER_LMT_MASTER B,
RMS_ENTITY_LIMIT_DTLS C
WHERE A.EM_CONTROLLER_ID = 100100010000
AND A.EM_ENTITY_ID = C.RELD_EM_ENTITY_ID
AND C.RELD_EM_ENTITY_ID = B.OLM_EPM_EM_ENTITY_ID(+)
AND C.RELD_SEGMENT_TYPE = 'E'
AND C.RELD_EXM_EXCH_ID = B.OLM_EXCH_ID(+)
AND C.RELD_EXM_EXCH_ID <> 'ALL'
AND B.OLM_SEM_SMST_SECURITY_ID(+) =
'ALL'
AND ((A.EM_ENTITY_TYPE IN ('CL') AND
A.EM_CLIENT_TYPE <> 'CC') OR
A.EM_ENTITY_TYPE <> 'CL')
AND B.OLM_PRODUCT_ID(+) = 'M' --Added by Harshit Shah on 4th June 09
GROUP BY RELD_EM_ENTITY_ID,
RELD_EXM_EXCH_ID,
RELD_SEGMENT_TYPE,
RELD_ACC_TYPE,
OLM_SUSPNSN_FLG,
EM_RP_PROFILE_ID,
OLM_PRODUCT_ID
UNION --union all removed by pramod on 08-jan-2012 as it was giving multiple rows
SELECT RELD_EM_ENTITY_ID,
RELD_EXM_EXCH_ID,
RELD_SEGMENT_TYPE SEGMENTID,
NVL(RELD_ACC_TYPE, 0) ACC_TYPE, --END ASHA
ROUND(NVL(SUM(RELD_RTO_EXP), -1), 2) RTO_EXP,
ROUND(NVL(SUM(RELD_NE_EXP), -1), 2) NET_EXP,
ROUND(NVL(SUM(RELD_MAR_UTILIZATION), -1),
2) MAR_EXP,
ROUND(decode(sign(SUM(C.reld_m2m_exp)),
-1,
abs(SUM(C.reld_m2m_exp)),
0),
2) M2M_EXP,
NVL(OLM_SUSPNSN_FLG, 'A') SUSPNSN_FLG,
EM_RP_PROFILE_ID
FROM ENTITY_MASTER A,
ORDER_LMT_MASTER B,
RMS_ENTITY_LIMIT_DTLS C
WHERE A.EM_CONTROLLER_ID = 100100010000
AND A.EM_ENTITY_ID = B.OLM_EPM_EM_ENTITY_ID
AND B.OLM_EPM_EM_ENTITY_ID = C.RELD_EM_ENTITY_ID(+)
AND C.RELD_SEGMENT_TYPE = 'E'
AND B.OLM_EXCH_ID = 'ALL'
AND B.OLM_SEM_SMST_SECURITY_ID(+) =
'ALL'
AND ((A.EM_ENTITY_TYPE IN ('CL') AND
A.EM_CLIENT_TYPE <> 'CC') OR
A.EM_ENTITY_TYPE <> 'CL')
AND B.OLM_PRODUCT_ID(+) = 'M' --Added by Harshit Shah on 4th June 09
GROUP BY RELD_EM_ENTITY_ID,
RELD_EXM_EXCH_ID,
RELD_SEGMENT_TYPE,
RELD_ACC_TYPE,
OLM_SUSPNSN_FLG,
EM_RP_PROFILE_ID,
OLM_PRODUCT_ID
UNION --union all removed by pramod on 08-jan-2012 as it was giving multiple rows
SELECT RELD_EM_ENTITY_ID,
RELD_EXM_EXCH_ID,
RELD_SEGMENT_TYPE,
NVL(RELD_ACC_TYPE, 0) ACC_TYPE, --END ASHA
ROUND(NVL(sum(RELD_RTO_EXP), -1), 2) RTO_EXP,
ROUND(NVL(sum(RELD_NE_EXP), -1), 2) NET_EXP,
ROUND(NVL(sum(RELD_MAR_UTILIZATION), -1),
2) MAR_EXP,
ROUND(decode(sign(sum(C.reld_m2m_exp)),
-1,
abs(sum(C.reld_m2m_exp)),
0),
2) M2M_EXP,
NVL(OLIM_SUSPNSN_FLG, 'A') SUSPNSN_FLG,
EM_RP_PROFILE_ID
FROM ENTITY_MASTER A,
DRV_ORDER_INST_LMT_MASTER B,
RMS_ENTITY_LIMIT_DTLS C
WHERE A.EM_CONTROLLER_ID = 100100010000
AND A.EM_ENTITY_ID = C.RELD_EM_ENTITY_ID
AND C.RELD_EM_ENTITY_ID =
B.OLIM_EPM_EM_ENTITY_ID(+)
AND C.RELD_SEGMENT_TYPE = 'D'
AND C.RELD_EXM_EXCH_ID = B.OLIM_EXCH_ID(+)
AND C.RELD_EXM_EXCH_ID <> 'ALL'
AND B.OLIM_INSTRUMENT_ID(+) = 'ALL'
AND ((A.EM_ENTITY_TYPE IN ('CL') AND
A.EM_CLIENT_TYPE <> 'CC') OR
A.EM_ENTITY_TYPE <> 'CL')
GROUP BY RELD_EM_ENTITY_ID,
RELD_EXM_EXCH_ID,
RELD_SEGMENT_TYPE,
RELD_ACC_TYPE,
OLIM_SUSPNSN_FLG,
EM_RP_PROFILE_ID
UNION --union all removed by pramod on 08-jan-2012 as it was giving multiple rows
SELECT RELD_EM_ENTITY_ID,
RELD_EXM_EXCH_ID,
RELD_SEGMENT_TYPE SEGMENTID,
NVL(RELD_ACC_TYPE, 0) ACC_TYPE, --END ASHA
ROUND(NVL(SUM(RELD_RTO_EXP), -1), 2) RTO_EXP,
ROUND(NVL(SUM(RELD_NE_EXP), -1), 2) NET_EXP,
ROUND(NVL(SUM(RELD_MAR_UTILIZATION), -1),
2) MAR_EXP,
ROUND(decode(sign(SUM(C.reld_m2m_exp)),
-1,
abs(SUM(C.reld_m2m_exp)),
0),
2) M2M_EXP,
NVL(OLIM_SUSPNSN_FLG, 'A') SUSPNSN_FLG,
EM_RP_PROFILE_ID
FROM ENTITY_MASTER A,
DRV_ORDER_INST_LMT_MASTER B,
RMS_ENTITY_LIMIT_DTLS C
WHERE A.EM_CONTROLLER_ID = 100100010000
AND A.EM_ENTITY_ID = B.OLIM_EPM_EM_ENTITY_ID
AND B.OLIM_EPM_EM_ENTITY_ID =
C.RELD_EM_ENTITY_ID(+)
AND C.RELD_SEGMENT_TYPE = 'D'
AND B.OLIM_EXCH_ID = 'ALL'
AND B.OLIM_INSTRUMENT_ID(+) = 'ALL'
AND ((A.EM_ENTITY_TYPE IN ('CL') AND
A.EM_CLIENT_TYPE <> 'CC') OR
A.EM_ENTITY_TYPE <> 'CL')
GROUP BY RELD_EM_ENTITY_ID,
RELD_EXM_EXCH_ID,
RELD_SEGMENT_TYPE,
RELD_ACC_TYPE,
OLIM_SUSPNSN_FLG,
EM_RP_PROFILE_ID)
ORDER BY RELD_EM_ENTITY_ID,
RELD_SEGMENT_TYPE,
RELD_EXM_EXCH_ID;
Please suggest what should i check for this.As always when examining SQL performance, start by checking the query execution plan. If you use ttIsql you can just prepend EXPLAIN to the query and the plan will be displayed. e.g.
EXPLAIN select ...........;
Check the plan is optimal and all necessary indexes are in place. You may need to add indexes depending o what the plan shows.
Please note that Oracle database can, and usually does, execute many types of query in parallel using multiple CPU cores. TimesTen does not currently support parallelisation of individual queries. Hence in some cases Oracle database may indeed be faster than TimesTen due to the parallel execution that occurs in Oracle.
Chris -
Why update query takes long time ?
Hello everyone;
My update query takes long time. In emp ( self testing) just having 2 records.
when i issue update query , it takes long time;
SQL> select * from emp;
EID ENAME EQUAL ESALARY ECITY EPERK ECONTACT_NO
2 rose mca 22000 calacutta 9999999999
1 sona msc 17280 pune 9999999999
Elapsed: 00:00:00.05
SQL> update emp set esalary=12000 where eid='1';
update emp set esalary=12000 where eid='1'
* ERROR at line 1:
ORA-01013: user requested cancel of current operation
Elapsed: 00:01:11.72
SQL> update emp set esalary=15000;
update emp set esalary=15000
* ERROR at line 1:
ORA-01013: user requested cancel of current operation
Elapsed: 00:02:22.27Hi BCV;
Thanks for your reply but it doesn't provide output, please see this.
SQL> update emp set esalary=15000;
........... Lock already occured.
>> trying to trace >>
SQL> select HOLDING_SESSION from dba_blockers;
HOLDING_SESSION
144
SQL> select sid , username, event from v$session where username='HR';
SID USERNAME EVENT
144 HR SQL*Net message from client
151 HR enq: TX - row lock contention
159 HR SQL*Net message from client
>> It does n 't provide clear output about transaction lock >>
SQL> SELECT username, v$lock.SID, TRUNC (id1 / POWER (2, 16)) rbs,
2 BITAND (id1, TO_NUMBER ('ffff', 'xxxx')) + 0 slot, id2 seq, lmode,
3 request
4 FROM v$lock, v$session
5 WHERE v$lock.TYPE = 'TX'
6 AND v$lock.SID = v$session.SID
7 AND v$session.username = USER;
no rows selected
SQL> select MACHINE from v$session where sid = :sid;
SP2-0552: Bind variable "SID" not declared. -
Procedure takes long time to execute...
Hi all
i wrote the proxcedure but it takes long time to execute.
The INterdata table contains 300 records.
Here is the procedure:
create or replace procedure inter_filter
is
/*v_sessionid interdata.sessionid%type;
v_clientip interdata.clientip%type;
v_userid interdata.userid%type;
v_logindate interdata%type;
v_createddate interdata%type;
v_sourceurl interdata%type;
v_destinationurl interdata%type;*/
v_sessionid filter.sessionid%type;
v_filterid filter.filterid%type;
cursor c1 is
select sessionid,clientip,browsertype,userid,logindate,createddate,sourceurl,destinationurl
from interdata;
cursor c2 is
select sessionid,filterid
from filter;
begin
open c2;
loop
fetch c2 into v_sessionid,v_filterid;
for i in c1 loop
if i.sessionid = v_sessionid then
insert into filterdetail(filterdetailid,filterid,sourceurl,destinationurl,createddate)
values (filterdetail_seq.nextval,v_filterid,i.sourceurl,i.destinationurl,i.createddate);
else
insert into filter (filterid,sessionid,clientip,browsertype,userid,logindate,createddate)
values (filter_seq.nextval,i.sessionid,i.clientip,i.browsertype,i.userid,i.logindate,i.createddate);
insert into filterdetail(filterdetailid,filterid,sourceurl,destinationurl,createddate)
values (filterdetail_seq.nextval,filter_seq.currval,i.sourceurl,i.destinationurl,i.createddate);
end if;
end loop;
end loop;
commit;
end
Please Help!
Prathameshi wrote the proxcedure but it takes long time to execute.Please define "long time". How long does it take? What are you expecting it to take?
The INterdata table contains 300 records.But how many records are there in the FILTER table? As this is the one you are driving off this is going to determine the length of time it takes to complete. Also, this solution inserts every row in the INTERDATA table for each row in the FILTER table - in other words, if the FILTER table has twenty rows to start with you are going to end up with 6000 rows in FILTERDETAIL. No wonder it takes a long time. Is that want you want?
Also of course, you are using PL/SQL cursors when you ought to be using set operations. Did you try the solution I posted in Re: Confusion in this scenario>>>>>>> on this topic?
Cheers, APC -
Query ake Long Time to execute.
Hi All,
I Have query that joins on 4 tables.
The Query takes 12 minutes to execute.
the sga size is 50m.
Please tell me whats to do now.
Thanks in advance.
Prathamesh.Prathamesh,
Please go thru Performance Tuning Guide to isolate your problem:
http://download-west.oracle.com/docs/cd/B10501_01/server.920/a96533/toc.htm
Try to find out:
Is it a new query or earlier it used to return result quickly?
Check Explain Plan etc to find out what exactly is going on behind the query.
If SGA is not properly tuned then it will effect all query, it'll not be isolated on single one.
Regards,
Sayan -
CIC0 - BP Identification takes large time
Hi Experts,
In our Project we are Using CIC (Customer Interaction Center).
Some Time Identification of Customer Matsre Data (BMD&TMD) based on Business Partner Or Contract Account takes large time in CIC0 transaction .
If anyone have any idea about it please revert back to us
Regards,
Abhishek ChopraHi,
check profile assigned to cic.
Find FM. used for search partners.
Set breakpoint and check place, where search do very long time.
Denis
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