Transact SQL :: How To Calculate A Ratio
Oct 28, 2015
How do I author a SQL Query which meets the following requirement: Display a ratio of (instances where status is a success)/(instances where status is a success or instance is a failure). The below syntax is incorrect. However, I hope to beter explain what I am trying to accomplish using the incorrect SQL query below.
SELECT SUM(Case When Status = "SUCCESS")/SUM( Case When Status = "FALLBACK")
FROM ruleResults;
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Nov 14, 2007
I have to get the ratio like A:B with two calculated columns. A and B both are the counts of the rows.
Please help me with this, it's really urgent!
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May 22, 2015
I created a PowerPivot measure which is a ratio Ratio = Number of Events/Time calculated on 12 months. I would like the grand total to be this Rate Sum(Number Of Events)/Sum(Time calculated).
In my Pivot I have one measure which I called Value and this value can have different types depending on one attribute.For instance one attribute is number of events, an other one is time and the third one is ratio.I want to display a custom grand total simple sum for events and time and a calculation of my ratio for ratio.
For instance
201501 201502 201503 TOTAL
Number of events 8 10 10 28
Time 5 5
4 14
Ratio 8/5 10/5 10/4 28/14
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Jun 17, 2015
Need calculating the count of events on each day. I have an event log table as shown below.
DECLARE @EventLog TABLE ( event_id int, status_id varchar(20) , dttm datetime )
INSERT INTO @EventLog
SELECT '100','Inplace','01/05/2015 05:00' UNION ALL
SELECT '100','Removed','03/05/2015 10:00' UNION ALL
SELECT '100','Inplace','05/05/2015 10:41' UNION ALL
[Code] ....
I need an output to look like on each day how many events were in place.
E.g.: for the month on May , Event_id 100 was inplace on 1st and removed on 3rd , so on 1st may 2 event_ids (100, 103) hence 2 .
event_ids - 103 / 104 and inplace the whole month and not removed. so its calculated the count as 2 til towards teh end of the month.
So I need to count of all each event_id in place for each day in may.
How to calculate the missing dates to ...
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Oct 8, 2015
I have the following store procedure :
SELECT APHIST.ReturnDate AS ATDATE
,API_HIST.[ActionPlanItemID]
,API_HIST.[ActionPlanID]
,PIT.[ProductItemID]
,PIT.ProductItemCode
,PIT.Name,
[code]....
What I am trying to get is a RunningStock level column which is able to display stock level as describe below :
If ItemStatus value is 0, that means that the item has been taken out from stock.
So based on that the first row running Stock level is calclulated as
(ProductQuantity * ItemUnitWeight)-ItemQuantity=9...
For the second record, ItemsStatus=1 which means the item return to stock, at the time the running stock value calculation should be the previous row Running Stok value (=9 ) +(ItemQuantity*ItemUnitWeight)When the ItemStatus=2, that means the item is definitely out and will be never back to current stock. Is there a way to get that calculation field ?
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Sep 16, 2015
I have table named #table and three columns. SinGroup(it does not matter, can be anything), Column1, and Column2.
CREATE TABLE #table(
sinGroup NVARCHAR(10)
,column1 INT
,column2 int
);
And i have some data:
INSERT INTO #table(sinGroup,column1,column2) VALUES
('y1',100,0),
('y2',0,60),
('y3',40,20),
('z1',150,0),
('z2',0,50),
('z3',0,50)
I want to know how to get this result set (c1 - c2 and group by Y and Z and the result shown under the column 1):
SinGroup C1 C2
y1 100 0
y2 0 60
y3 40 20
Y 60 0
z1 150 0
z2 0 50
z3 0 50
Z 50 0
And also result like this (c1-c2 and grop by each row,the result show under the column 1):
SinGroup C1 C2
y1 100 0
y1 100 0
y2 0 60
y2 -60 0
y3 40 20
y3 20 0
z1 150 0
z1 150 0
z2 0 50
z2 -50 0
z3 0 50
z3 -50 0
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Nov 4, 2015
I am trying to create a "Loan Ledger Card" in SSRS which does the calculation up to report extracting time. I was able to create it on Excel (Click to download the Excel file) as we can calculate amounts for each installment based on Row and Column name. You can test it by putting any amount (Here it should be below 62000 as it is the total balance of loan) in "Amount Paid" yellow cell and see the effect.
I have made a selection in SQL (attached query and result in screenshot). It calculates the total paid amount by now on the first row, and all due amounts in other rows. Basically, It should first deduct the interest from first row, then principle, same process for second row and so on until it covers the whole paid amount.
SELECT
'0' As RN
,memrepay.lnr
,'Repayment' AS Type
,SYSDATETIME() AS NOW
,SUM(memrepay.mprinc) As PrincPaid
,SUM(memrepay.mint) As IntPaid
[Code] .....
How can I do the similar calculation of Excel file in "SQL query" or "SSRS custom code"?
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Aug 19, 2015
I have 2 tables as follows:
table A-NewParts
PartNumber
Description
LaunchDate
a123
product a
4/1/2009
[code].....
I want to get end result as sales for each new product for a rolling period from Launch date as year1 sales,year2 sales...and so on which I got through case statements.I am stuck on how to get the total Sales for all products (including new products) in the same rolling period based on the different launch dates for each new product.
PartNumber
Description
LaunchDate
Yr1 Sales
Total Yr1 Sales
Yr2 Sales
Total Yr2 Sales
a123
[code].....
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Nov 16, 2015
I need to build a query to calculate the size of all tables in a database ...
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Mar 27, 2014
I am on SQL Server 2008 R2. I have a table that contains a field called [Location]. In that field is a UNC path to the physical file on the repository. Is there a way in SQL Server that I can say give me the select sum([Location] UNC file) where criteria? I saw some posts about xp_filesize or xp_GetFileDetails, but I do not see them in master. I am unable to add anything and wondering if there is any native functionality that would allow me to accomplish this!?
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Jun 17, 2015
I have a table which has name,Speciality,start date and end date. So each person may have 1/more rows .They will have more if they change their specialities. For example if you look at the data below.
AdjusterNameSpecialtyDatestartDateEnd
Test Inside Property2009-08-29 2010-07-31
Test Management2010-08-012012-07-31
If we see at the data above Test has 2 rows because he changed his specialty in the middle.My requirement is to calculate the total number of employees in each month for last 2 years in each speciality. For example if we look at the example above, Test was in Inside property from 2009 Aug to 2010 Aug but if i use just the date start and take the month for each adjuster it gives me the number of adjusters started in that year and month but what i want is Test should be counted in all the months for Inside property until 2010 07 month. Which means i want to have the total number of adjusters present by each speciality for each month of last 2 years .
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Jul 14, 2015
I have a data set as -
ID Set Date DB Date
100 Null 07/01/15
100 07/05/15 07/02/15
100 07/10/15 07/08/15
I want to able to get 2 unique dates
1. 07/02/15 - As I want the DB date for ID - 100 when set date changed from a null value to non null value.
2. 07/08/15 - As I want the DB date for ID - 100 when a non null set date changes.
The table has such records for lot of different ID's.
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Oct 30, 2015
Col1 Col2 Col3 Col4
54763.00 21 0 0
--Row1
59574.00 23 0 0
--Row2
64085.00 20 0 0
--Row3
0.0 0.00 0 0 0
--Row4
I'm trying to calculate Average of Col1 of above table based on below scenario:
CASE WHEN all the columns in the above table are “0” (as highlighted) THEN I want AVERAGE of Col1 as (Row1+Row2+Row3)/3
ELSE if at least one of the column of highlighted row has value other than “0”, THEN I want the AVERAGE of Col1 to be (Row1+Row2+Row3+Row4)/4
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Nov 4, 2015
How to calculate estimated completion time of a job and what is the variance/difference in time based on previous job history. Looking for tsql query which can accomplish this.For example)...Daily a job is taking 10 mins to complete. However, today due to some reason, the job is running over an hour and still running. It could be a blocking issue or some performance issue on the server due to which the job is still running.
In such cases, using a tsql query or a stored proc which monitor these jobs every 3 mins (Configurable value), so every 3 mins , query has to check, if they are any jobs which are taking more time than its usual completion time/avg completion time in that case shoot an email using dbmail functionality i.e. sp_Senddbmail .. From there, DBA can dig further using waits or sql trace etc...
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Jun 4, 2015
I have a table "PrintArea" with below table structure.
The Details column have " " separated data.
CREATE TABLE [dbo].[PrintArea](
[ID] [int] IDENTITY(1,1) NOT NULL,
[AccessDate] [datetime] NULL,
[IPAddress] [varchar](16) NULL,
[SerialNum] [varchar](256) NULL,
[Description] [varchar](256) NULL,
[Details] [varchar](2048) NULL,
)
This is how the data lookis like.
INSERT [dbo].[PrintArea] ([ID], [AccessDate], [IPAddress], [SerialNum], [Description], [Details]) VALUES (104280, CAST(0x0000A28A00A88310 AS DateTime), N'70.89.39.161', N'InSign-f529c824-85a6-4a64-8c59-e9f786d718f3-YM2AS31367,BFEBFBFF000306A9', N'Printing', N'Headboard_Insert_4
1
1
7938
5579
[Code] ...
I want to calculate totalAreaPrinted based on below formula from Details column.
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May 9, 2015
I needed to create a stored procedure to lock a user who makes 3 incorect entries of his password. I did it successfully. Now the problem what i have is that i want to lock the user only if he makes the 3 incorrect entries within 30 minutes.
I created a field named "FirstEntryTime" of type datetime that saves the date of the first incorrect entry. I tried to make an if statement:
if (@timesOfEntry <=2 AND DATEDIFF(MINUTE, firstEntryTime,GETDATE()) <= 30)
Begin
Update myTable set ...
End
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May 16, 2015
I have a table like below
i need to calculate total working time against 'AttID' (where I - intime, O - OutTime)
ex :
AttID TotalTime
1 08:02:00
2 07:45:00
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Jun 7, 2015
Iam trying to calculate the number of working days between two dates. Iam getting the uouput as only 1 02 r working days??
select building_number as SchoolID,building_name as Campus, count( distinct( CASE WHEN(( DATEPART(dw, CurDate) + @@DATEFIRST)%7 NOT IN (0,1)) tHEN 1 ELSE 0 END)) as NumberofDaysServed from Sales sl join Buildings b on sl.Building_Num =b.Building_number join students2 s on s.Student_Number= sl.Student_Num join Sale_Items SI on si.UID = sl.UID where CONVERT(CHAR(10),CurDate,120) between '2015-05-01' and '2015-05-07' and VoidReview <> 'v' and SI.INum = '1' group by building_number,building_name order by building_number,Building_Name;
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Oct 22, 2015
I have a table Product2 as the attachment at the bottom. Now i want to create a Column "Purchasing rate" over Product and Region like this. I tried some Code but it gave me still Error.
createtableProduct2
(
[product] [varchar](255),
[Region] [varchar](15),
[Subregion] [varchar](25),
[Code] ....
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Mar 13, 2003
On Microsoft performance monitor, what is the difference between SQL Server Cache Manager: Cache Hit Ratio and SQL
Server Buffer Manager: Buffer Cache Hit Ratio? We have a production server where the buffer cache hit ratio is
consistently at 99%, which is normal. However, the cache hit ratio is 73%. What is the difference between the two
hit ratios, and why would we have such a significant difference between the two?
Any help or advice would be much appreciated.
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Aug 18, 2015
How I can calculate the 'SUM of 100' of EDSUM column for EDCOST column. Every EDCOST should have sum of 100 on the calculation of EDSUM. I just want to know which is the EDCOST which has <>sum of 100.
Create table #sum (ED numeric, EDCOST numeric, EDName char(6), EDSum numeric, EDCode char(2))
Insert into #sum values (121, 2000,'HLMO',98,'DT')
Insert into #sum values (122, 2000,'HLMT',2,'DT')
Insert into #sum values (123, 2001,'HLMO',100,'DT')
Insert into #sum values (124, 2002,'HLMD',97,'DT')
[Code] ...
Expeced Output:
ED EDCOST EDName EDSum EDCode
126 2003 HLMR 98 DT
130 2005 HLMR 98 DT
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Nov 23, 2015
create table #t
(
id int,
col1 decimal(18,2)
)
go
[Code] ...
-- I want to subtract @X and col1. But my variable @X must be reduced for each value in col1 for each next row until it reaches zero.
-- OUTPUT:
-- id col1 col2
--@X at starting point is 15000
-- 1 5000.00 0 --@X IS 10000 = 15000 - 5000(col1)
-- 2 1000.00 0 --@X IS 9000 = 10000 - 1000
-- 3 10000.00 1000.00 --@X IS 1000 = 9000 - 10000
-- 4 12000.00 12000.00
-- 5 300.00 300.00
-- 6 35000.00 35000.00
--in col2 i just put zero where col1 is substract from @X and continue for every subsequent order.
-- in 3 row value is 1000 becouse @X is that big (1000 left from col1)
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Sep 18, 2000
I have been seeing this strange statistics in one of our servers. The cache hit ratio has gone beyond 100%, it is currently showing 124%. Has anyone seen this before.
Thanks
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Mar 18, 2005
I have a large dell server with 4 processors, and 8 gig of memory on win 2000 advanced with sql 2000 enterprise edition running a 3rd party app. My cache hit ratio averages about 76%. I thought the gneral rule was if you get below 80% to add more memory. However my memory manager shows I am only using 71% of my memory and have a full gig available. I have the sql server set to use about 7.1 gig of the 8 gig on the server. My ? is if I am only using 71% of my memory, will will adding more memory actually help my cache hit ratio
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May 21, 2008
Hello,
I have a calculated member that is a ratio calculation. It works fine but I would like that the value for the "All" member to be the sum of the children.
So I have the following MDX where the calculated member [Dim Group Rubric].[Group Rubric Description].[BO + ADM Cost] does not give me good results for the "All" member:
WITH
MEMBER [TOTAL YEAR CONTRACT] AS sum({[Total Year]},[Dim Contract].[Contract Number].[563131])
MEMBER [TOTAL YEAR BU] AS sum ([Total Year])
MEMBER [Dim Group Rubric].[Group Rubric Description].[TOTAL BU PVN] as
([Dim Group Rubric].[Group Rubric Description].[PVN], [TOTAL YEAR BU])
MEMBER [Dim Group Rubric].[Group Rubric Description].[TOTAL BU BO + ADM] as
([Dim Group Rubric].[Group Rubric Description].[BO + ADM], [TOTAL YEAR BU])
MEMBER [Dim Group Rubric].[Group Rubric Description].[BO + ADM Cost] as
([Dim Group Rubric].[Group Rubric Description].[PVN], [TOTAL YEAR CONTRACT])
/ ([Dim Group Rubric].[Group Rubric Description].[TOTAL BU PVN], [TOTAL YEAR BU])
* ([Dim Group Rubric].[Group Rubric Description].[TOTAL BU BO + ADM], [TOTAL YEAR BU])
SELECT
NON EMPTY {[TOTAL YEAR CONTRACT],[TOTAL YEAR BU]}
ON 0,
{[Dim Group Rubric].[Group Rubric Description].[BO + ADM Cost]}
*
UNION(
[Dim BV Organisation Finance].[Business Unit].[All]
,FILTER(
[Dim BV Organisation Finance].[Business Unit].children
,[Dim BV Organisation Finance].[Business Unit Code].currentmember.name
= '071MIND1'
)
,FILTER(
[Dim BV Organisation Finance].[Business Unit].children
,[Dim BV Organisation Finance].[Business Unit Code].currentmember.name
<> '071MIND1'
)
)
ON 1
FROM (SELECT ([Dim Year].[Year].&[2008]) ON 0
FROM (SELECT ({[Dim BV Organisation Finance].[Business Unit Code].[071MIND1]
,[Dim BV Organisation Finance].[Business Unit Code].[071DIDD1]}) ON 0
FROM [BV Contract Margin DW]))
When I launch this query I obtain:
TOTAL YEAR BU
BO + ADM Cost All - 45013 (I would like to obtain here - 90651)
BO + ADM Cost 071MIND1 - 35680
BO + ADM Cost 071DIDD1 - 54971
Please do you know what should be changed in this query to obtain the good results?
Thanks.
Guillaume
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Jul 23, 2005
HelloI am tring to figure out why our SQL server is a bit sluggish fromtime to time.It is running a dual XEON, with 2.5 GB RAM, and a fast SCSI I/O subsystem setup as follows.OS, mirrored 2 drivesSQL DATA 16 HDD RAID 10SQL LOG 4 HDD RAID 10SQL tempdb 4 HDD RAID 10OS = win 2003SQL = sql2000 standard editiondbcc showcontig shows me nothing special, it looks okI launch performacne monitor and add SQL server cache manager: hitratioand it is constantly at 7% and never changes up or down, it is justconstant.Can this be correct? and if so it sounds rather bad, we have ahandfull of large tables that are heavily used and enough RAM to holdthem all in RAM so I really do not understand why the cache hit ratiois not higher.Any hints would be greatrgdsMatt
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Oct 16, 2007
Can anyone pls help me to solve my problem in SSRS. Also I wanted to plot the 'Ratio' in to a chart against the 'Year'.
The scenario is:
Year Amount_A Amount_B Ratio(Amount_A/Amount_B)
05 x y x/y
06 a b a/b
07 m n m/n
Its very needy.
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Jan 2, 2004
Does anyone know how to measure the buffer cache hit ratio? I have been reading a lot about it but can't find this measurement in Performance Monitor.
Thanks
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May 5, 2004
Maybe I am just a lot better at this than I thought, but I figure that somewhere there is a mathematical rule that is being overlooked. When I run dbcc sqlperf (lrustats) on some of my production machines, I sometimes end up with a cache hit ratio (which is defined as a percentage, mind you) that is slightly over the limit:
Statistic Value
-------------------------------- ------------------------
Cache Hit Ratio 100.00898
Cache Flushes 0.0
Free Page Scan (Avg) 0.0
Free Page Scan (Max) 0.0
Min Free Buffers 331.0
Cache Size 4362.0
Free Buffers 9434.0
I suspect some counter somewhere is getting wrapped around its 4 byte limit. Is there any reliable source for getting statisics about SQL Server performance? Users tend be unreliable and say everything is slow.
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Jun 20, 2014
I'm putting together some monitor scripts, have buffer cache ratio etc etc but struggling to get an accurate script for the current procedure cache hit ratio...
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Jul 16, 2015
What is better values for Buffer Cache Hot Ratio in SQL Server 2012. Is the values changed from 2008r2 to 2012?
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Jun 19, 2008
I am wondering if 100% buffer cache hit ratio is considered not good in general?
Are there instances that it is actually bad and can contribute to server performance degradation?
Any thoughts on the topic most welcome :)
--------------------
keeping it simple...
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Dec 1, 2014
I am doing some work in microstrategy reports and using SQL data cube. I am creating a summary report (Counting on Unique ID) in MS where when I put in a particular attribute/column from cube it splits the data count down into 2 separate values that I have defined in the select case statement of the SQL query.
I want to work out a ratio of the count unique ID between these two values but can't do this in MS report as it is not a physical column but summary split of data.Is there a way I can do this in SQL? My summary looks something like this:
N E
====================== =========================
**Y** N **Y** N
========= ========== ========= =========
570 140 89 56
Where the Y/N field is the one I have split down against the N/E column. I want to work out ratio between the 2 "Y" fields but in SQL. Here is a SQL example snapshot of my data:
Unique_ID New/Existing Application Attend_Interview
========= ======================== ================
12554445 E Y
65766879 N N
53375654 N Y
44323224 E N
93656786 E Y
wondering if I might be able to do a procedure or similar or something more dynamic in SQL query?
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