Taking An Average From A Few Lines
Mar 4, 2008
I am trying to get an average result from similar records in a view:
Order No: Product: Price:
1 1 5
1 2 3
1 3 7
2 1 5
2 2 3
2 3 7
2 4 2
I need the sql statment to get the average price of order 1 and order 2 seperatly. Giving a result like:
Order No: Av Price:
1 x
2 y
Thanks in advance for you help
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Jun 21, 2015
Calculation of an average using DAX' AVERAGE and AVERAGEX.This is the manual calculation in DW, using SQL.In the tabular project (we're i've noticed that these 4 %'s are in itself strange), in a 1st moment i've noticed that i would have to divide by 100 to get the same values as in the DW, so i've used AVERAGEX:
Avg_AMP:=AVERAGEX('Fct Sales';'Fct Sales'[_AMP]/100)
Avg_AMPdollar:=AVERAGEX('Fct Sales';'Fct Sales'[_AMPdollar]/100)
Avg_FMP:=AVERAGEX('Fct Sales';'Fct Sales'[_FMP]/100)
Avg_FMPdollar:=AVERAGEX('Fct Sales';'Fct Sales'[_FMPdollar]/100)
The results were, respectively: 701,68; 2120,60...; -669,441; and finally **-694,74** for Avg_FMPdollar.i can't understand the difference to SQL calculation, since calculations are similar to the other ones. After that i've tried:
test:=SUM([_FMPdollar])/countrows('Fct Sales') AND the value was EQUAL to SQL: -672,17
test2:=AVERAGE('Fct Sales'[_Frontend Margin Percent ACY]), and here, without dividing by 100 in the end, -696,74...
So, AVERAGE and AVERAGEX have a diferent behaviour from the SUM divided by COUNTROWS, and even more strange, test2 doesn't need the division by 100 to be similar to AVERAGEX result.
I even calculated the number of blanks and number of zeros on each column, could it be a difference on the denominator (so, a division by a diferente number of rows), but they are equal on each row.
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Feb 15, 2008
I have a temp_max column and a temp_min column with data for every day for 60 years. I want the average temp for jan of yr1 through yr60, averaged...
I.E. the avg temp for Jan of yr1 is 20 and the avg temp for Jan of yr2 is 30, then the overall average is 25.
The complexity lies within calculating a daily average by month, THEN a yearly average by month, in one statement.
?confused?
Here's the original query.
accept platformId CHAR format a6 prompt 'Enter Platform Id (capital letters in ''): '
SELECT name, country_cd from weather_station where platformId=&&platformId;
SELECT to_char(datetime,'MM') as MO, max(temp_max) as max_T, round(avg((temp_max+temp_min)/2),2) as avg_T, min(temp_min) as min_temTp, count(unique(to_char(datetime, 'yyyy'))) as TOTAL_YEARS
FROM daily
WHERE platformId=&&platformId and platformId = platformId and platformId = platformId and datetime=datetime and datetime=datetime
GROUP BY to_char(datetime,'MM')
ORDER BY to_char(datetime,'MM');
with a result of:
NAME_________________CO
-------------------- --
OFFUTT AFB___________US
MO______MAX_T _____AVG_T__MIN_TEMTP_TOTAL_YEARS
-- ---------- ---------- ---------- -----------
01_________21______-5.31________-30__________60
02_________26______-2.19______-28.3__________61
03_______31.1_______3.61______-26.1__________60
04_______35.6______11.07______-12.2__________60
05_______37.2_______17.2_______-3.3__________60
06_______41.1______22.44__________5__________60
07_______43.3______24.92________7.2__________60
08_______40.6______23.71________5.6__________60
09_________40______18.84_______-2.2__________59
10_______34.4_______12.5_______-8.9__________59
11_________29_______4.13______-23.9__________60
12_________21______-2.52______-28.3__________60
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May 24, 2006
Hey,
take a look at the below. I need to sum the real balance of a line with the credit with the line above, or, n + 1. I don't wanna to have to walk across the lines to do the sum. Any idea of how to do that in a easier and better way? I tried using T-SQL, but I couldn't figure out how to do a reference to the next line on the SQL without moving the cursor.
Date
Reference
Description
Debit
Credit
Real Balance
Bank Balance
Grp
Action
$0.00
$6,000.00
$86,814.27
*
$0.00
$4,000.00
$90,814.27
$0.00
$666.00
$91,480.27
*
Thank you!
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Regards,
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,
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Thanks in advance,
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Nov 29, 2007
Hi all we are student of university
and we trying to make application
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For excample
Mr Jurgen has more backupjobs
We see then in our table then
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What we want that comes like this in a table
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Set 2 Good
Set 3 Not ok
But we keep getting MRjurgen in also in the other lines !
The solution that we think that could help is an while loop
But sadly it doesnt work
So we desperate asking here how to do this :(
Thanks
Students
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Hi,
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Code Block
select count(l.created) as LoanOriginationNumberPreApproved , convert(char( 11), l.Created) as PreApprovedDate
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Group by l.Created
and
Code Block
select count(l.SubmittedOn) as LoanOriginationNumber , convert(char( 11), l.SubmittedOn) as SubmittedDate
from LoanApplication l
where l.Status <> 'Cancelled'
Group by l.SubmittedOn
I combined these queries. I add clumns of the second query to select statement of first code. also added group by l.submittedon to group by l,created as group by l.created, l.submiited on. This is the problem.(I mean grouping)
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Thanks
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Trizetto
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Apr 23, 2008
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+ Group line GL1
Detailed Line 1
Detailed Line 2
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Thank you in advance for your replies.
regards,
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just as we export in db2 database
as db2move databasename export -u username -p password
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Feb 13, 2008
Hello.
I have a query that takes 1,5second to execute, but only 150ms of CPU. The query is quite simple, just one where statement against a clustered index.
SQL Server Execution Times:
CPU time = 156 ms, elapsed time = 1595 ms.
SELECT column1, column3, column4, ..., column10 FROM table WHERE column2 IN (37, 41, 43, 45, 49, 53, 55) ORDER BY column3 DESC
|--Sort(TOP 1000, ORDER BY:([u].[LastActivityDate] DESC))
|--Clustered Index Seek(OBJECT:([MP].[dbo].[__searchtest].[cix___searchtest_] AS [u]), SEEK:([u].[searchparamid]=37 OR [u].[searchparamid]=41 OR [u].[searchparamid]=43 OR [u].[searchparamid]=45 OR [u].[searchparamid]=49 OR [u].[searchparamid]=53 OR [u].[searchparamid]=55 OR [u].[searchparamid]=59) ORDERED FORWARD)
I have tried to rewrite the query to an INNER JOIN instead.
|--Sort(TOP 1000, ORDER BY:([u].[LastActivityDate] DESC))
|--Nested Loops(Inner Join, OUTER REFERENCES:([spal].[number]))
|--Index Seek(OBJECT:([MP].[dbo].[__search_parameters_lookup].[IX___search_parameters_lookup] AS [spal]), SEEK:([spal].[hash]=-1726604993) ORDERED FORWARD)
|--Clustered Index Seek(OBJECT:([MP].[dbo].[__searchtest].[cix___searchtest_] AS [u]), SEEK:([u].[searchparamid]=[spal].[number]) ORDERED FORWARD)
but the query still takes 1,5 seconds.
It spends 59% (according to execution plan) of sorting. 14% for the index seek of the __search_parameters_lookup table and then 24% of a clustered index seek of the __searchtest table.
How come it only uses that small of CPU but it still takes 1,5 seconds? It seems to be reading from memory as well so it shouldnt be an IO-problem?
The index I have on the table is a clustered index on (column 2).
Any ideas of how I can improve this? I have tried with DTA, also with a non clustered index on column3.
If I remove some columns from the SELECT-list the query will execute alot faster:
SQL Server Execution Times:
CPU time = 32 ms, elapsed time = 32 ms.
Booth the CPU and the elapsed time goes down and now appears to be more normal.
So there seems to be a problem caused by data transfer.
I tried to do a remake and normalize the table and when I do that I get the query execute with a speed of 400ms CPU and 400ms total. And this is still the exact same result, so why does it only spend 400ms of "rendering" or fetching the data when the tables are normalized but 1500ms when its denormalized?
Any ideas?
I am running Microsoft SQL Server 2000 - 8.00.2039
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Feb 17, 2006
I'm performing an insert and I not only need to remove the << character, but also need to take one field and dump it into two fields. So in essence -
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Karel Montes
Thanks :)
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Apr 10, 2006
I have a custom .net application that uses SQL 2000 server. All users are compaining performance issues and white-outs while they are using the application. I am almost certain that it's the SQL server that is the curprit. All the other components involved in the application hardly has any CPU or memory usage when I check the performance in the task manager.
On SQL server, I see that the process sqlserver.exe is taking like 2.8GB of memory. Is there a way to find out which exact SQL query or process is taking so much of memory? I belive there may be a bad SQL process that is stuck and taking all the memory? Is there a way to find out?
Thanks
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Jan 28, 2008
Hello.
I have a query that takes 1,5second to execute, but only 150ms of CPU. The query is quite simple, just one where statement against a clustered index.
SQL Server Execution Times:
CPU time = 156 ms, elapsed time = 1595 ms.
Code Snippet
SELECT column1, column3, column4, ..., column10 FROM table WHERE column2 IN (37, 41, 43, 45, 49, 53, 55) ORDER BY column3 DESC
Code Snippet
|--Sort(TOP 1000, ORDER BY:([u].[LastActivityDate] DESC))
|--Clustered Index Seek(OBJECT:([MP].[dbo].[__searchtest].[cix___searchtest_] AS [u]), SEEK:([u].[searchparamid]=37 OR [u].[searchparamid]=41 OR [u].[searchparamid]=43 OR [u].[searchparamid]=45 OR [u].[searchparamid]=49 OR [u].[searchparamid]=53 OR [u].[searchparamid]=55 OR [u].[searchparamid]=59) ORDERED FORWARD)
I have tried to rewrite the query to an INNER JOIN instead.
Code Snippet
|--Sort(TOP 1000, ORDER BY:([u].[LastActivityDate] DESC))
|--Nested Loops(Inner Join, OUTER REFERENCES:([spal].[number]))
|--Index Seek(OBJECT:([MP].[dbo].[__search_parameters_lookup].[IX___search_parameters_lookup] AS [spal]), SEEK:([spal].[hash]=-1726604993) ORDERED FORWARD)
|--Clustered Index Seek(OBJECT:([MP].[dbo].[__searchtest].[cix___searchtest_] AS [u]), SEEK:([u].[searchparamid]=[spal].[number]) ORDERED FORWARD)
but the query still takes 1,5 seconds.
It spends 59% (according to execution plan) of sorting. 14% for the index seek of the __search_parameters_lookup table and then 24% of a clustered index seek of the __searchtest table.
How come it only uses that small of CPU but it still takes 1,5 seconds? It seems to be reading from memory as well so it shouldnt be an IO-problem?
The index I have on the table is a clustered index on (column 2).
Any ideas of how I can improve this? I have tried with DTA, also with a non clustered index on column3.
If I remove some columns from the SELECT-list the query will execute alot faster:
SQL Server Execution Times:
CPU time = 32 ms, elapsed time = 32 ms.
Booth the CPU and the elapsed time goes down and now appears to be more normal.
So there seems to be a problem caused by data transfer.
I tried to do a remake and normalize the table and when I do that I get the query execute with a speed of 400ms CPU and 400ms total. And this is still the exact same result, so why does it only spend 400ms of "rendering" or fetching the data when the tables are normalized but 1500ms when its denormalized?
Any ideas?
I am running Microsoft SQL Server 2000 - 8.00.2039
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Mar 7, 2001
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1 aa __ vv __
2 __ xx __ __
3 tt rr __ ee
I need to turn it into:
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Aug 3, 2004
Hi,
I need to convert from mssqlto Postgres and I need to export all MS-SQL table data to a CSV or TXT file (one file per table)
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Then when you copy to another database, a new line of data means a new row in the table.
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Sep 29, 2004
I am running this stored Prcedure and getting multiple lines for the output. Below are the queries the create the temp table (its holding the data), and the query that generates the output:
/* this creates the temp table */
Select count(*) as 'Donations', d_vst_id
into Donations_temp
from dnr_vst_db_rec
where convert(varchar(10),d_vst_date) between convert(varchar(10), @Beg_Vst_Date, 112) and convert(varchar(10), @End_Vst_Date, 112)
and d_vst_status = 'DN'
and d_vst_dontyp in ('E1', 'E2')
group by d_vst_id
/* this query generates the output */
select distinct cast(getdate() as varchar(30)) as 'TODAY'
,CONVERT(varchar(10), @Beg_Vst_Date,101) as 'BEGDTE'
,CONVERT(varchar(10), @End_Vst_Date,101) as 'ENDDTE'
,case Donations
when '1' then sum(1)
else 0
end as 'ONE1'
,case Donations
when '2' then sum(1)
else 0
end as 'ONE2'
,case Donations
when '3' then sum(1)
else 0
end as 'ONE3'
,case Donations
when '4' then sum(1)
else 0
end as 'ONE4'
,case Donations
when '5' then sum(1)
else 0
end as 'ONE5'
,case Donations
when '6' then sum(1)
else 0
end as 'ONE6'
,case Donations
when '7' then sum(1)
else 0
end as 'ONE7'
,case Donations
when '1' then Sum(0)
when '2' then Sum(0)
when '3' then Sum(0)
when '4' then Sum(0)
when '5' then Sum(0)
when '6' then Sum(0)
when '7' then Sum(0)
else Sum(1)
end as 'ONEA'
from Donations_temp
group by Donations
Thanks.
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