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performance issue with the Oracle SQL query

Sunny_JMay 9 2014 — edited May 15 2014

Dears

Good evening

I'm new to start using Oracle SQL , I have a sql query which is taking more time to execute in the production .

Each table in the query contains 1.2 million records and DBA suggested to use the 'Oracle - hints' . i dont have proper knowledge on this topic and facing problems to implement this hints to imrpovise the performance . In the product the Informatica jobs are failed and stuck with this query performance issue .

i request from this forum for an urgent help for me to resolve this issue by using 'hints' . kindly help me .

 

SELECT
CASE.ID,
CASE.DTYPE,
CASE.VERSION,
CASE.EXTERNAL_REF,
CASE.CREATION_TS,
RQ.TYPE
FROM
PAS_CASE CASE,
AS_REQUEST RQ,
PAS_CONTEXT CN
where rq.case_id = case.id
AND rq.id = cn.request_id
and rq.DTYPE = 'MAINREQUEST'
and rq.TYPE in
(
'bgc.dar.vap.resolution.advice','bgc.dar.e2etest.execution','bgc.tbf.repair.vap','bgc.dar.e2etest',
'bgc.dar.e2etest.intermediate.execution','bgc.cbm','bgc.dar.e2etest.preparation','bgc.chc.polling'

)
and CN.STATUS in ('FINISHED','CANCELLED','TIMEOUT','ERROR')
AND CAST(CN.CREATION_TS AS DATE) >= TO_DATE('2014-05-06 00:00:00', 'YYYY-MM-DD HH24:MI:SS')
AND
CAST(CN.CREATION_TS AS DATE) <  TO_DATE('2014-05-06 23:59:59', 'YYYY-MM-DD HH24:MI:SS')

------ 2nd query

SELECT
RA.ID,
RA.VERSION,
RA.REQUEST_ID,
RA.NAME,
RA.VALUE,
RA.LOB_ID,
RA.DTYPE,
RA.CREATION_TS,
TASK.MAIN_REQ_TYPE
from PAS_REQUESTATTRIBUTE RA
join
(
select tsk.ID , tsk.TYPE, main_req. main_req_type
from PAS_REQUEST tsk
join
(
select  cn.id as context_id, rq.TYPE as main_req_type
from PAS_REQUEST rq
,    PAS_CONTEXT cn
where rq.id = cn.request_id
and rq.DTYPE = 'MAINREQUEST'
and rq.TYPE in
(
'bgc.dar.vap.resolution.advice','bgc.dar.e2etest.execution','bgc.tbf.repair.vap','bgc.dar.e2etest',
'bgc.dar.e2etest.intermediate.execution','bgc.cbm','bgc.dar.e2etest.preparation','bgc.chc.polling'
)
and cn.STATUS in ('FINISHED','CANCELLED','TIMEOUT','ERROR')
and CAST(cn.END_TS AS DATE) >= TO_DATE('2014-05-06 00:00:00', 'YYYY-MM-DD HH24:MI:SS')
and CAST(cn.END_TS AS DATE) <= TO_DATE('2014-05-06 23:59:59', 'YYYY-MM-DD HH24:MI:SS')
and cn.ID between 20141800000000000 AND 20141999999999999
and rq.ID between 20141800000000000 AND 20141999999999999

) main_req
on tsk.parent_context_id = main_req.context_id
and tsk.DTYPE in ('ANALYSIS_TASK','DECISION_TASK')
and tsk.ID between $$LOW_ID1 AND $$HIGH_ID1
) task
on RA.REQUEST_ID = task.ID
and RA.ID between $$LOW_ID1 AND $$HIGH_ID1
UNION

SELECT
RA.ID,
RA.VERSION,
RA.REQUEST_ID,
RA.NAME,
RA.VALUE,
RA.LOB_ID,
RA.DTYPE,
RA.CREATION_TS,
MAIN_REQ.TYPE
from PAS_REQUESTATTRIBUTE RA
join
(
select  rq.id,rq.type
from PAS_REQUEST rq
,    PAS_CONTEXT cn
where rq.id = cn.request_id
and rq.DTYPE = 'MAINREQUEST'
and rq.TYPE in
(
'bgc.dar.vap.resolution.advice','bgc.dar.e2etest.execution','bgc.tbf.repair.vap','bgc.dar.e2etest',
'bgc.dar.e2etest.intermediate.execution','bgc.cbm','bgc.dar.e2etest.preparation','bgc.chc.polling'
)
and cn.STATUS in ('FINISHED','CANCELLED','TIMEOUT','ERROR')
and CAST(cn.END_TS AS DATE) >= TO_DATE('2014-05-06 00:00:00', 'YYYY-MM-DD HH24:MI:SS')
and CAST(cn.END_TS AS DATE) <= TO_DATE('2014-05-06 23:59:59', 'YYYY-MM-DD HH24:MI:SS')
and cn.ID between 20141800000000000 AND 20141999999999999
and rq.ID between 20141800000000000 AND 20141999999999999
) main_req
on RA.REQUEST_ID = main_req.ID

--- 3rd query

SELECT

RB.ID,

RB.DTYPE,

RB.VERSION,

RB.TYPE,

RB.CREATION_TS,

RB.TASK_ID,

RB.COLOR,

RB.GLOBAL_RESULT ,

TASK.MAIN_REQ_TYPE

FROM

PAS_RESULTBLOCK RB

join

(

select tsk.ID , tsk.TYPE, main_req. main_req_type

from PAS_REQUEST tsk

join

(

select  cn.id as context_id, rq.TYPE as main_req_type

from PAS_REQUEST rq

,    PAS_CONTEXT cn

where rq.id = cn.request_id

and rq.DTYPE = 'MAINREQUEST'

and rq.TYPE in

(

'bgc.dar.vap.resolution.advice','bgc.dar.e2etest.execution','bgc.tbf.repair.vap','bgc.dar.e2etest',

'bgc.dar.e2etest.intermediate.execution','bgc.cbm','bgc.dar.e2etest.preparation','bgc.chc.polling'

)

and cn.STATUS in ('FINISHED','CANCELLED','TIMEOUT','ERROR')

and CAST(cn.END_TS AS DATE) >= TO_DATE('2014-05-06 00:00:00', 'YYYY-MM-DD HH24:MI:SS')

and CAST(cn.END_TS AS DATE) <= TO_DATE('2014-05-06 23:59:59', 'YYYY-MM-DD HH24:MI:SS')

and cn.ID between 20141800000000000 AND 20141999999999999

and rq.ID between 20141800000000000 AND 20141999999999999

) main_req

on tsk.parent_context_id = main_req.context_id

and tsk.DTYPE in ('ANALYSIS_TASK','DECISION_TASK')

and tsk.ID between $$LOW_ID1 AND $$HIGH_ID1

) task

on rb.task_id = task.ID

and rb.ID between $$LOW_ID1 AND $$HIGH_ID1

and RB.TYPE is not null

and RB.TYPE IN

(

'bgc.dar.vap.resolution.advice','bgc.dar.e2etest.execution','bgc.tbf.repair.vap','bgc.dar.e2etest',

'bgc.dar.e2etest.intermediate.execution','bgc.cbm','bgc.dar.e2etest.preparation','bgc.chc.polling'

)

UNION

SELECT

RB.ID,

RB.DTYPE,

RB.VERSION,

RB.TYPE,

RB.CREATION_TS,

RB.TASK_ID,

RB.COLOR,

RB.GLOBAL_RESULT,

TASK.MAIN_REQ_TYPE

FROM

PAS_RESULTBLOCK RB

join

(

select tsk.ID , tsk.TYPE, main_req. main_req_type

from PAS_REQUEST tsk

join

(

select  cn.id as context_id, rq.TYPE as main_req_type

from PAS_REQUEST rq

,    PAS_CONTEXT cn

where rq.id = cn.request_id

and rq.DTYPE = 'MAINREQUEST'

and rq.TYPE in

(

'bgc.dar.vap.resolution.advice','bgc.dar.e2etest.execution','bgc.tbf.repair.vap','bgc.dar.e2etest',

'bgc.dar.e2etest.intermediate.execution','bgc.cbm','bgc.dar.e2etest.preparation','bgc.chc.polling'

)

and cn.STATUS in ('FINISHED','CANCELLED','TIMEOUT','ERROR')

and CAST(cn.END_TS AS DATE) >= TO_DATE('2014-05-06 00:00:00', 'YYYY-MM-DD HH24:MI:SS')

and CAST(cn.END_TS AS DATE) <= TO_DATE('2014-05-06 23:59:59', 'YYYY-MM-DD HH24:MI:SS')

and cn.ID between 20141800000000000 AND 20141999999999999

and rq.ID between 20141800000000000 AND 20141999999999999

) main_req

on tsk.parent_context_id = main_req.context_id

and tsk.DTYPE in ('ANALYSIS_TASK','DECISION_TASK')

and tsk.ID between $$LOW_ID1 AND $$HIGH_ID1

) task

on rb.task_id = task.ID

and rb.ID between $$LOW_ID1 AND $$HIGH_ID1

and RB.TYPE is nullSELECT

RB.ID,

RB.DTYPE,

RB.VERSION,

RB.TYPE,

RB.CREATION_TS,

RB.TASK_ID,

RB.COLOR,

RB.GLOBAL_RESULT ,

TASK.MAIN_REQ_TYPE

FROM

PAS_RESULTBLOCK RB

join

(

select tsk.ID , tsk.TYPE, main_req. main_req_type

from PAS_REQUEST tsk

join

(

select  cn.id as context_id, rq.TYPE as main_req_type

from PAS_REQUEST rq

,    PAS_CONTEXT cn

where rq.id = cn.request_id

and rq.DTYPE = 'MAINREQUEST'

and rq.TYPE in

(

'bgc.dar.vap.resolution.advice','bgc.dar.e2etest.execution','bgc.tbf.repair.vap','bgc.dar.e2etest',

'bgc.dar.e2etest.intermediate.execution','bgc.cbm','bgc.dar.e2etest.preparation','bgc.chc.polling'

)

and cn.STATUS in ('FINISHED','CANCELLED','TIMEOUT','ERROR')

and CAST(cn.END_TS AS DATE) >= TO_DATE('2014-05-06 00:00:00', 'YYYY-MM-DD HH24:MI:SS')

and CAST(cn.END_TS AS DATE) <= TO_DATE('2014-05-06 23:59:59', 'YYYY-MM-DD HH24:MI:SS')

and cn.ID between 20141800000000000 AND 20141999999999999

and rq.ID between 20141800000000000 AND 20141999999999999

) main_req

on tsk.parent_context_id = main_req.context_id

and tsk.DTYPE in ('ANALYSIS_TASK','DECISION_TASK')

and tsk.ID between $$LOW_ID1 AND $$HIGH_ID1

) task

on rb.task_id = task.ID

and rb.ID between $$LOW_ID1 AND $$HIGH_ID1

and RB.TYPE is not null

and RB.TYPE IN

(

'bgc.dar.vap.resolution.advice','bgc.dar.e2etest.execution','bgc.tbf.repair.vap','bgc.dar.e2etest',

'bgc.dar.e2etest.intermediate.execution','bgc.cbm','bgc.dar.e2etest.preparation','bgc.chc.polling'

)

UNION

SELECT

RB.ID,

RB.DTYPE,

RB.VERSION,

RB.TYPE,

RB.CREATION_TS,

RB.TASK_ID,

RB.COLOR,

RB.GLOBAL_RESULT,

TASK.MAIN_REQ_TYPE

FROM

PAS_RESULTBLOCK RB

join

(

select tsk.ID , tsk.TYPE, main_req. main_req_type

from PAS_REQUEST tsk

join

(

select  cn.id as context_id, rq.TYPE as main_req_type

from PAS_REQUEST rq

,    PAS_CONTEXT cn

where rq.id = cn.request_id

and rq.DTYPE = 'MAINREQUEST'

and rq.TYPE in

(

'bgc.dar.vap.resolution.advice','bgc.dar.e2etest.execution','bgc.tbf.repair.vap','bgc.dar.e2etest',

'bgc.dar.e2etest.intermediate.execution','bgc.cbm','bgc.dar.e2etest.preparation','bgc.chc.polling'

)

and cn.STATUS in ('FINISHED','CANCELLED','TIMEOUT','ERROR')

and CAST(cn.END_TS AS DATE) >= TO_DATE('2014-05-06 00:00:00', 'YYYY-MM-DD HH24:MI:SS')

and CAST(cn.END_TS AS DATE) <= TO_DATE('2014-05-06 23:59:59', 'YYYY-MM-DD HH24:MI:SS')

and cn.ID between 20141800000000000 AND 20141999999999999

and rq.ID between 20141800000000000 AND 20141999999999999

) main_req

on tsk.parent_context_id = main_req.context_id

and tsk.DTYPE in ('ANALYSIS_TASK','DECISION_TASK')

and tsk.ID between $$LOW_ID1 AND $$HIGH_ID1

) task

on rb.task_id = task.ID

and rb.ID between $$LOW_ID1 AND $$HIGH_ID1

and RB.TYPE is null

--- 4th query

SELECT
RI.ID,
RI.DTYPE,
RI.VERSION,
RI.RESULTBLOCK_ID,
RI.NAME,
RI.VALUE,
RI.UNIT,
RI.COLOR,
RI.LOB_ID,
RI.CREATION_TS,
RI.SEQUENCE,
RI.DETAILLEVEL,
RES_BLK.MAIN_REQ_TYPE
FROM
PAS_RESULTITEM RI
join
(
select
rb.ID, rb.TYPE as rb_type , task.TYPE as task_type, task. main_req_type from pas_resultblock rb
join
(
select tsk.ID , tsk.TYPE, main_req. main_req_type
from PAS_REQUEST tsk
join
(
select  cn.id as context_id, rq.TYPE as main_req_type
from PAS_REQUEST rq
,    PAS_CONTEXT cn
where rq.id = cn.request_id
and rq.DTYPE = 'MAINREQUEST'
and rq.TYPE in
(
'bgc.dar.vap.resolution.advice','bgc.dar.e2etest.execution','bgc.tbf.repair.vap','bgc.dar.e2etest',
'bgc.dar.e2etest.intermediate.execution','bgc.cbm','bgc.dar.e2etest.preparation','bgc.chc.polling'
)
and cn.STATUS in ('FINISHED','CANCELLED','TIMEOUT','ERROR')
and CAST(cn.END_TS AS DATE) >= TO_DATE('2014-05-06 00:00:00', 'YYYY-MM-DD HH24:MI:SS')
and CAST(cn.END_TS AS DATE) <= TO_DATE('2014-05-06 23:59:59', 'YYYY-MM-DD HH24:MI:SS')
and cn.ID between 20141800000000000 AND 20141999999999999
and rq.ID between 20141800000000000 AND 20141999999999999
) main_req
on tsk.parent_context_id = main_req.context_id
and tsk.DTYPE in ('ANALYSIS_TASK','DECISION_TASK')
and tsk.ID between 20141800000000000 AND 20141999999999999
) task
on rb.task_id = task.ID
and rb.ID between 20141800000000000 AND 20141999999999999
and RB.TYPE IN
(
'bgc.dar.vap.resolution.advice','bgc.dar.e2etest.execution','bgc.tbf.repair.vap','bgc.dar.e2etest',
'bgc.dar.e2etest.intermediate.execution','bgc.cbm','bgc.dar.e2etest.preparation','bgc.chc.polling'
)
) res_blk
on ri.resultblock_id = res_blk.ID
where RI.NAME IN
(
'bgc.dar.vap.resolution.advice','bgc.dar.e2etest.execution','bgc.tbf.repair.vap','bgc.dar.e2etest',
'bgc.dar.e2etest.intermediate.execution','bgc.cbm','bgc.dar.e2etest.preparation','bgc.chc.polling'
)
and RI.ID between 20141800000000000 AND 20141999999999999
and RI.NAME is not null
UNION

select
RI.ID,
RI.DTYPE,
RI.VERSION,
RI.RESULTBLOCK_ID,
RI.NAME,
RI.VALUE,
RI.UNIT,
RI.COLOR,
RI.LOB_ID,
RI.CREATION_TS,
RI.SEQUENCE,
RI.DETAILLEVEL ,
RES_BLK.MAIN_REQ_TYPE
from pas_resultitem ri
join
(
select
rb.ID, rb.TYPE as rb_type , task.TYPE as task_type, task. main_req_type from pas_resultblock rb
join
(
select tsk.ID , tsk.TYPE, main_req. main_req_type
from PAS_REQUEST tsk
join
(
select  cn.id as context_id, rq.TYPE as main_req_type
from PAS_REQUEST rq
,    PAS_CONTEXT cn
where rq.id = cn.request_id
and rq.DTYPE = 'MAINREQUEST'
and rq.TYPE in
(
'bgc.dar.vap.resolution.advice','bgc.dar.e2etest.execution','bgc.tbf.repair.vap','bgc.dar.e2etest',
'bgc.dar.e2etest.intermediate.execution','bgc.cbm','bgc.dar.e2etest.preparation','bgc.chc.polling'
)
and cn.STATUS in ('FINISHED','CANCELLED','TIMEOUT','ERROR')
and CAST(cn.END_TS AS DATE) >= TO_DATE('2014-05-06 00:00:00', 'YYYY-MM-DD HH24:MI:SS')
and CAST(cn.END_TS AS DATE) <= TO_DATE('2014-05-06 23:59:59', 'YYYY-MM-DD HH24:MI:SS')
and cn.ID between 20141800000000000 AND 20141999999999999
and rq.ID between 20141800000000000 AND 20141999999999999
) main_req
on tsk.parent_context_id = main_req.context_id
and tsk.DTYPE in ('ANALYSIS_TASK','DECISION_TASK')
and tsk.ID between 20141800000000000 AND 20141999999999999
) task
on rb.task_id = task.ID
and rb.ID between 20141800000000000 AND 20141999999999999
) res_blk
on ri.resultblock_id = res_blk.ID
where RI.ID between 20141800000000000 AND 20141999999999999
and RI.NAME is null

-- 5HT QUERY

SELECT

TSK.ID,

TSK.VERSION,

TSK.DTYPE,

TSK.CASE_ID,

TSK.TYPE,

TSK.CORRELATION_ID,

TSK.INITIATOR,

TSK.EXECUTOR,

TSK.CATEGORY,

TSK.PARENT_CONTEXT_ID,

TSK.CREATION_TS,

MAIN_REQ.MAIN_REQ_TYPE

FROM

PAS_REQUEST  tsk

join

(

select  cn.id as context_id, rq.TYPE as main_req_type

from PAS_REQUEST rq

,   PAS_CONTEXT cn

where rq.id = cn.request_id

and rq.DTYPE = 'MAINREQUEST'

and rq.TYPE in

(

'bgc.dar.vap.resolution.advice','bgc.dar.e2etest.execution','bgc.tbf.repair.vap','bgc.dar.e2etest',

'bgc.dar.e2etest.intermediate.execution','bgc.cbm','bgc.dar.e2etest.preparation','bgc.chc.polling'

)

and cn.STATUS in ('FINISHED','CANCELLED','TIMEOUT','ERROR')

and CAST(cn.END_TS AS DATE) >= TO_DATE('2014-05-06 00:00:00', 'YYYY-MM-DD HH24:MI:SS')

and CAST(cn.END_TS AS DATE) <= TO_DATE('2014-05-06 23:59:59', 'YYYY-MM-DD HH24:MI:SS')

and cn.ID between 20141800000000000 AND 20141999999999999

and rq.ID between 20141800000000000 AND 20141999999999999

) main_req

on tsk.parent_context_id = main_req.context_id

and tsk.DTYPE in ('ANALYSIS_TASK','DECISION_TASK')

and tsk.ID between $$LOW_ID1 AND $$HIGH_ID1

UNION

select

MREQ.ID,

MREQ.VERSION,

MREQ.DTYPE,

MREQ.CASE_ID,

MREQ.TYPE,

MREQ.CORRELATION_ID,

MREQ.INITIATOR,

MREQ.EXECUTOR,

MREQ.CATEGORY,

MREQ.PARENT_CONTEXT_ID,

MREQ.CREATION_TS,

MREQ.TYPE

from PAS_REQUEST mreq

     ,   PAS_CONTEXT cn

where mreq.id = cn.request_id

and mreq.DTYPE = 'MAINREQUEST'

and mreq.TYPE in

(

'bgc.dar.vap.resolution.advice','bgc.dar.e2etest.execution','bgc.tbf.repair.vap','bgc.dar.e2etest',

'bgc.dar.e2etest.intermediate.execution','bgc.cbm','bgc.dar.e2etest.preparation','bgc.chc.polling'

)

and cn.STATUS in ('FINISHED','CANCELLED','TIMEOUT','ERROR')

and CAST(cn.END_TS AS DATE) >= TO_DATE('2014-05-06 00:00:00', 'YYYY-MM-DD HH24:MI:SS')

and CAST(cn.END_TS AS DATE) <= TO_DATE('2014-05-06 23:59:59', 'YYYY-MM-DD HH24:MI:SS')

and cn.ID between 20141800000000000 AND 20141999999999999

and mreq.ID  between 20141800000000000 AND 20141999999999999

This post has been answered by Etbin on May 10 2014
Jump to Answer

Comments

Wesley D-Oracle
Answer

Oracle 12cR1 to 19c is a major release jump, as such it would probably be wise to perform full regression testing.  However, it's your database and you can choose whatever level of testing and/or validations you deem fit.

Marked as Answer by User516490-OC · Sep 27 2020

Hi,

I agree with Wesley on the testing part. With regards to testing performance and ensuring performance stability I encourage you to look at the slides from a presentation my fellow Product Manager, Mike Dietrich gave a little while ago:

https://mikedietrichde.com/slides/

Search for:

Seminar 3 – Performance Stability, Tips and Tricks and Underscores

Regards,

Daniel

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Locked on Jun 12 2014
Added on May 9 2014
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