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Query to find count of executions hourly for the last 30 days (merged) [message #677605]

Mon, 30 September 2019 12:55

suresh.wst
Messages: 53
Registered: June 2008
Location: Hyderabad

Member

Hi,

I am trying to find a particular sql (using sql id) executions hourly and daily counts for the last 30 days. Can anyone has command please?

I have tried with dba_hist_active_sess_history and dba_hist_sqlstat for the last 1 hour to test if it gives correct result. But the output doesn't match with sum of counts in each instance taken from awrsqlrpt.sql

Thanks,
Suresh

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Query to find count of executions hourly for the last 30 days [message #677606 is a reply to message #677605]

Mon, 30 September 2019 12:55

suresh.wst
Messages: 53
Registered: June 2008
Location: Hyderabad

Member

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Re: Query to find count of executions hourly for the last 30 days [message #677607 is a reply to message #677606]

Mon, 30 September 2019 15:05

BlackSwan
Messages: 26766
Registered: January 2009
Location: SoCal

Senior Member

Why do you expect every SQL that was ever executed to be in the HISTORY views?
What does the documentation say regarding the content of these views?

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Re: Query to find count of executions hourly for the last 30 days [message #677608 is a reply to message #677607]

Mon, 30 September 2019 15:19

suresh.wst
Messages: 53
Registered: June 2008
Location: Hyderabad

Member

I am looking for only one particular query (I have sql id of that query) and I see information related to that sql in dba_hist_active_sess_history. Since it is ASH data and counts are not accurate based on number of rows of the query in history tables, I am facing problem in aggregating the sql count hourly and daily. Could you please provide a query to get the counts? Thanks!

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Re: Query to find count of executions hourly for the last 30 days [message #677609 is a reply to message #677608]

Mon, 30 September 2019 15:25

BlackSwan
Messages: 26766
Registered: January 2009
Location: SoCal

Senior Member

What I know is blah, blah blah from you.
Is COPY & PASTE broken for you?
I don't know what you have.
I don't know what you do.
I don't know what you see.
I don't know what you want.

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Re: Query to find count of executions hourly for the last 30 days [message #677610 is a reply to message #677609]

Mon, 30 September 2019 15:47

suresh.wst
Messages: 53
Registered: June 2008
Location: Hyderabad

Member

I am looking for a query which gives output like below.

Example output:

sql_id . time_of_hour num_of_executions
--------- --------- ----------
nh3bg8aq 9/30/2019 00:00 2856
nh3bg8aq 9/30/2019 01:00 1704
nh3bg8aq 9/30/2019 02:00 6729
nh3bg8aq 9/30/2019 03:00 654
nh3bg8aq 9/30/2019 04:00 2723

Hope this helps. Thanks!

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Re: Query to find count of executions hourly for the last 30 days [message #677622 is a reply to message #677610]

Tue, 01 October 2019 08:28

JPBoileau
Messages: 88
Registered: September 2017

Member

I reverse-engineered the AWR report code (well ok, ok, I just sql-traced it) and came up with the following.

However, remember that SQL_ID CAN and DO change, especially when you bounce the server or the shared pool is flushed.

select
   S.begin_interval_time,
   s.end_interval_time,
   T.executions_total
from
   AWR_PDB_sqlstat T,
   DBA_HIST_SNAPSHOT S 
where
   T.sql_id = 'fg0kvac1dkzw5'  -- Insert your own SQL_ID here
   and s.snap_id = t.snap_id
order by 1 desc;

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Re: Query to find count of executions hourly for the last 30 days [message #677686 is a reply to message #677622]

Sun, 06 October 2019 19:54

suresh.wst
Messages: 53
Registered: June 2008
Location: Hyderabad

Member

Thanks JP. I found a way to get the details using DBA_HIST_SQLSTAT and DBA_HIST_SNAPSHOTS. However, I will try your query and compare if it see any difference in results.

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Re: Query to find count of executions hourly for the last 30 days [message #677687 is a reply to message #677686]

Mon, 07 October 2019 00:47

Michel Cadot
Messages: 68761
Registered: March 2007
Location: Saint-Maur, France, https...

Senior Member
Account Moderator

Quote:

I found a way to get the details using DBA_HIST_SQLSTAT and DBA_HIST_SNAPSHOTS.

So please post it.

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