Using Count To Find # Of Distinct Entries
Apr 17, 2008
I need a query to return the number of distinct call_num(s) between two timestamps.
For example search between 2008-04-17 05:00:00.000 and
2008-04-19 05:00:00.000
Calls
----------
id_tag(unique id) | status | call_num | entry_id(timestamp)
1 HOLD 0123456789 2008-04-17 05:07:00.080
2 ONSCENE 012345679 2008-04-17 05:10:00.012
3 ENROUTE 321654987 2008-04-19 04:00:00.000
so the sample answer would be : 2
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Jun 25, 2013
I need to update the result depending upon the count of distinct entries.
Example
ID Employee Region State
1 ABC AMEA MI
2 DEF AMEA MI
3 XYZ APAC TX
I want the result as below
ID Employee Region State
1 ABC AMEA MI-1
2 DEF AMEA MI-2
3 XYZ APAC TX
since the count of Region is 2
I tried using DECLARE @intFlag INT and stuff but wasn't able to get the solution.
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Mar 18, 2008
Hello,
I have a reference table. This table has an effective date and end date, and I need to get a single set of values at a point in time. Suppose the following hotel rating values are the values that I want to pull out of the table:
1 Star2 Star
3 Star
4 Star
5 Star
This value has other information associated with it (benchmarks and such) and so it's possible that one of the 2 star entries gets end-dated, and then a new 2 Star entry gets created with an effective date and no end date.
How can I query so that I only get one 2 Star entry at any point, and get the point in time where the date is between the effective and end date, but only pull back a single set of entries, one distinct rating value. So, suppose the first entry is end-dated 7/1, if I look at old data, I want to see the old benchmarks and so I want the previous entry end-dated 7/1; otherwise, I want to see the new end-date, with the new 2 star entry with no end date.
How do I do that? Make sense?
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Jul 3, 2013
I am trying to get count on a varchar field, but it is not giving me distinct count. How can I do that? This is what I have....
Select Distinct
sum(isnull(cast([Total Count] as float),0))
from T_Status_Report
where Type = 'LastMonth' and OrderVal = '1'
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Jan 6, 2015
I have a table where each unique entry can have up to 12 'modes', each mode with a start and stop date. A mode is a certain type of characteristic attributed to an entry.
There are 60 different modes and a given mode number can appear in any of the 12 mode fields. I created a very simplistic example table below.
Criteria:
I need to find all entries that have any of the modes = 1
AND for any of the other mode fields = 2 or 3, all modes = 2 or 3 must have a mode_enddate that is NOT NULL.
example:
select * from #temp_work
where (mode1 = 1 or mode2 =1 or mode3 = 1 ...)
And if any of the other mode1-12 fields = 2 or 3 then all mode 2 or 3 mode_enddate must be NOT NULL. I have tried a few different ways to try and get this data, but none of them have been very good.
Create temporary table
create table #temp_work (
id int NULL,
mode1 varchar(20) NULL,
mode_startdate_1 date NULL,
mode_enddate_1 date NULL,
[Code ....
From this limited example, the only valid entry should be ID 1 as the mode = 3 has a NOT NULL mode_enddate.
ID's 2 and 3 both have mode_enddate_X that are NULL, so should not be included.
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Jul 29, 2015
In the database I am querying, there is a field called "group". I can find out when "group" changes with a time field that was logged whenever group changes. I am trying to find what the value was changed into.
Code:
SELECT
Assignment_Log.DBID,
Assignment_Log.Assigned_Group,
Assignment_Log.Submit_Date
FROM Assignment_Log
This will tell me:
The unique ID of the database
The group it was assigned FROM
The time the assignment took place
I need to find the assignment TO
so what I need to do for the last column is something along the lines of...
Find the next record after the current record by looking at the next Submit_Date and view the Assigned_Group.
If no "next record" can be found, leave the cell empty.
is this possible?
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Jun 11, 2015
Someone ran an update statement multiple times so their are multiple entries in the table. What is the quickest way to track down the multiple entries? I would only want to see where timein and timeoff exist in the table multiple times for the same id. So this would be a duplicate
EntryID -- ID -- timein -- timeoff
1487 11 2015-05-05 16:33:23 2015-05-05 18:45:26
1623 11 2015-05-05 16:33:23 2015-05-05 18:45:26
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Sep 11, 2014
i have a table like below
create table staff_attendance
(
attendance_id int,
attendace_date datetime,
staff_id int,
working_year int,
hours int
)
values like
1 2014-06-30 00:00:00.0ST10121
2 2014-06-30 00:00:00.0ST10122
3 2014-06-30 00:00:00.0ST10122 ----same entry like previous one
4 2014-07-01 00:00:00.0ST10121
5 2014-07-01 00:00:00.0ST10122
6 2014-07-02 00:00:00.0ST10121
7 2014-07-02 00:00:00.0ST10122
8 2014-06-30 00:00:00.0ST10221
9 2014-06-30 00:00:00.0ST10222
10 2014-07-01 00:00:00.0ST1022 1
11 2014-07-01 00:00:00.0ST102 22
12 2014-07-02 00:00:00.0ST102 21
13 2014-07-02 00:00:00.0ST102 22
I Need to find the duplicate rows like same entries which is having more than 1 rows.... how do i find?
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Sep 12, 2014
I am trying to find books which have the same title and publisher name as at least two other books and need to also show the book ref (ISBN number). I have the below script so far:
SELECT isbn, title, publishername
FROM book
WHERE title in (SELECT title
FROM book
GROUP BY title
HAVING count(title)>2 or count(publishername)>2)
order by title;
This is a snap shot of the output:
ISBN Title Publishername
0-1311804-3-6 C Prentice Hall
* 0-0788132-1-2 C OSBORNE MCGRAW-HILL
* 0-0788153-8-X C OSBORNE MCGRAW-HILL
* 0-9435183-3-4 C Database Development MIS
* 1-5582806-2-6 C Database Development MIS
[Code] ....
What I should be seeing is only the ones I have put an * next to. What am I missing from the scrip?
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Oct 23, 2001
hi!
i am trying to get a count of 3 distinct values , one of them being a datetime - am running into errors - any suggestions are appreciated.
select count(distinct individualid + intakeseq + exitdate)from #temp
i am trying to do a distinct on individualid + intakeseq + exitdate,
& then get their count.
Thanks!
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Mar 14, 2007
Hello
for mS SQL 2000
with
SELECT DISTINCT Name, Region
FROM Groups
GROUP BY Name, Region
I get 254 rows
but how can I get the COUNT only ?
something like
SELECT COUNT(SELECT DISTINCT Name, Region
FROM Groups
GROUP BY Name, Region) AS CPT FROM Groups
i must get 254
thank you for helpings
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Mar 23, 2007
hi all,
sometimes, when tables are poorly joined, we have exactly same rows as a result.. so we use distinct.. but how can we count(*) the distinct rows?
select distinct d.docrefid from tbljobDocuments d
left join tbljobitems j on j.docrefid=d.docrefid
where d.docrefid='DC01C06027' and j.itemid='39J1667-H86700'
will return me
docrefid
DC01C06027
but when i try to count(*) only the distinct record, it count all..
select distinct d.docrefid, count(*) from tbljobDocuments d
left join tbljobitems j on j.docrefid=d.docrefid
where d.docrefid='DC01C06027' and j.itemid='39J1667-H86700'
group by d.docrefid
will return me
DocrefId Count
DC01C060272
when i expect
DocrefId Count
DC01C060271
~~~Focus on problem, not solution~~~
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Nov 9, 2007
Hi,
I have write down following query ..
select a.patientid, a.providerid
from PatientDrugList a
JOIN Admin..Loadinstance b on a.intLoadInstanceId = b.intLoadInstanceId
where a.MailReasonTypeId = -1
and b.SubClientId = 22
and b.StatusTypeId > 0
Now how could I get distinct patientid count and distinct providerid count
Reply soon
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Jul 20, 2006
Hi
I have a table which stores the shift information for employees. The table contains 10 columns as Employeename,Employeeno,month,year,shifttimings etc. If an employee works a day in a particular shift, then a row will be inserted in to the above table for that employee.
Now at the end of the month i wanted to calculate the shift details for each employee for a particular month of a given year like employeename,employeeno, noofdays(countof shiftdays).
Can some body help?
Thanks in Advance!
Santhosh
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Nov 30, 2003
I have an SQL statement that looks like the following:
SELECT [Docs-Entities].entityID, entityName, COUNT([Docs-DocsEntities].filename) AS numDocs
FROM [Docs-Entities] LEFT JOIN [Docs-DocsEntities]
ON [Docs-Entities].entityID = [Docs-DocsEntities].entityID
GROUP BY [Docs-Entities].entityID, entityName
but the problem is that numDocs (the COUNT) is not returning a distinct count. In the DocEntities table, a particular document can actually have multiple entries with the same entityID so that produces inflated numbers for numDocs. But when I do a SELECT DISTINCT on a particular entityID, the results are less and don't match the numDocs number because I only need to list the document one time. This is not a huge issue, but it looks bad on my site.
Is there a way that I can make COUNT count distinctly?
Thanks for the help and I hope I worded that cllearly...
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Aug 17, 2005
I'm struggling to fin a way to use DISTINCT keyword with ROLLUP (or Cube).For example,SELECT employee_city, employee_country, COUNT(DISTINCT employee_name)FROM employeeGROUP BY employee_city, employee_country WITH ROLLUPthat query does not work.Is there a workaround?Thx.
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Jan 28, 1999
hi, I have a table that contain(custname,ordno,ordchange,ordlocation,reaso n)
I want to determine the following:
how many orders per customer,how many orders changed per customer,how many order location per customer, what reason for change per customer,
here what I wrote as a query, tell me if I am right. I thank you for your help
select custname, COUNT(DISTINCT ordno) ,
COUNT(DISTINCT ordchange) ,
COUNT(DISTINCT ordlocation) ,
COUNT( reason)
from customers a, orders b
where a.custname =b.custname
group by custname
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Jul 19, 2006
helloi want to do only one query for :SELECT DISTINCT Name FROM UsersSELECT COUNT(Name) AS Names FROM Users WHERE (Name LIKE 'xxx')something like :SELECT Name, COUNT(Name) AS Names FROM Users WHERE Name IN (SELECT DISTINCT Name FROM Users)i must get :Joe 23julie 17.....thank you
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Aug 30, 2006
Hi,
I want a count of distinct rows in a table through a single query -- is it possible?
eg.
table-
create table ch1 (a int, b int, c int, d int)
insert ch1 values (1,1,1,1)
insert ch1 values (2,2,2,2)
insert ch1 values (1,1,1,1)
insert ch1 values (2,2,2,2)
insert ch1 values (1,3,4,5)
Here distinct row count in a table is 3 which I want to achieve thro a query.
if I do
select count(distinct a) from ch1 it works fine and gives me output as 2.
but this is not working
select count(distinct a,b,c,d) from ch1 - any workaround to find the distinct row count in a table??
Please reply.
Cheers!
Ram.
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Dec 11, 2007
I have a table with following fields
tdate
custcode
prodcode
table is filled with full year data and i want following result
I want count of distinct custcode in every past three months.
for example
Result like this
month tjan tfeb tmar tapr tmay ..... tdec
prod1
prod2
.
.
prod5
And data under tmar should be count of distinct custcode of (jan,feb and mar) for corresponding prod code is required.
Under tapr, count of distinct custcode of (feb,mar and apr) for corresponding prod code is required.
Can any1 help me please.
I am using MS SQL 2005 and above table is a big table (approx 10 million records)
Sham
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May 15, 2008
how can i count in sql the number or records taht would be returned if i did
select distinct site,date from allrecords
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Oct 14, 2007
hello,
i have a working stored procedure SELECT CommentID, UserName, PictureID, DateCommented, COUNT(CommentID) OVER (PARTITION BY PictureID) AS 'NrOfComments'
FROM Comments WHERE PictureID = @PictureID
witch returns among others the number of comments for a picture
i need to select the number of distinct users who commented that user too, so i added this at SELECT statement, COUNT(DISTINCT UserName) AS 'Expr1'
i get that error:
"Colum 'Comments.CommentID' is invalig in the select list beacuse it is not contained in either an aggregate function or the GROUP BY clause."
what should i do, to select the number of distinct users who commented on a specific picture?
here are the table rows, if you need that
CommentID --- UserName --- PictureID --- DateCommented
please help me, thank you
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Mar 28, 2007
It doesn't seem possibly, but maybe?
Is there a way to have an expression be used, but also benefit from using distinct on a column?
I'm looking for something like:
sum(case when dtEntered > '1-1-2006' then 1 else 0 end)
but also encorporating somehow a distinct count on UserName. So a username showing twice would only count once, and this would only be counted if the record's dtEntered date was greater than Jan 1, 2006.
The reason I'm writing the statement that way is because there are 5 columns which aggregate data by different time periods.
If it's not possible, I will just end up joining to the table multiple times, putting the date filter in the where clause.
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Jul 12, 2004
I am trying to get the below query to work and can't seem to get past this error. Not sure but everywhere I look I think my syntax is right. I am probably missing something obvious but I'm just back from vacation and trying to get in the swing of things. Any help would be appreciated.
Select Distinct(chadcd) as Adjustor, Count (Distinct chclno) as NumberOfCases, Count (Distinct chclno,chwkno)as NumberofClauses
from clmhdr
where chpddt = '20040630'
Group By chadcd
Order by Adjustor
Server: Msg 170, Level 15, State 1, Line 1
Line 1: Incorrect syntax near ',chwkno'.
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Feb 19, 2014
Aim- Need to count how many [FDMSAccountNo] fall under a unique parentid
This is my query
SELECT [FDMSAccountNo]
,ParentID
FROM [FDMS].[dbo].[Dim_Outlet]
where ParentID = '878028271889'
Which produces the following, The number of fdmsaccountno under parentid is two. Its two because one of the fdmsaccountno is = to parentid
FDMSAccountNo ParentID
878028271889878028271889
878028272887878028271889
878028273885878028271889
Desired result
Parentid #_of_outlets
878028271889 2
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Mar 12, 2007
Hello,
I'm fairly new to SQL as so am looking for help with an ad hoc query. The data in focusing on is from table named APs:
FileNo Type PartNo Completed
6 Northbound 1 03/03/2007
6 Northbound 2 NULL
6 Other 1 NULL
6 Other 2 NULL
20 Proof 0 19/07/2006
20 TCP 0 21/07/2006
24 40-Day 1 16/01/2006
24 40-Day 2 16/03/2006
24 Other 0 NULL
44 Northbound 1 16/01/2006
44 Northbound 2 16/06/2006
44 Northbound 3 16/12/2006
44 Northbound 4 01/01/2007
I've tried variations on a SELECT statement like below but have been unable to find a way to count only those types per fileNo that have all partNo completed (and to count all types per fileNo with a partNo of 0 and a completed date as they have no parts):
SELECT [FileNo], COUNT(DISTINCT [Type]) AS CountOfAPs
FROM APs
WHERE (completed IS NOT NULL)
GROUP BY [File]
Total count should be: 4
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Jul 20, 2005
I want to build query to return how many rows are in this query:select distinct c1, c2 from t1But SQL won't accept this syntax:select count (distinct c1, c2) from t1Does someone know how to count multiple distinct columns? Thanks.--Disclaimer: This post is solely an individual opinion and does not speak onbehalf of any organization.
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Mar 20, 2008
I have a table of users and date when they logged on to a system. I am trying to count how many distinct users logged on for each day of the week. The SQL below works when there's at least a user for each day. But when there is no user for a particular day such as Sunday, I still want it to return "SUN
0 "
I learned that you can use GROUP BY ALL and it works but the "ALL" is deprecated beyond SQL 2005.
------------------------------------
SELECT UPPER(LEFT(DATENAME(dw, StartTime), 3)) AS DayOfWeek,
COUNT(DISTINCT UserID) AS NumberOfUser
FROM testUserLoginDuration
WHERE Archived = 0
GROUP BY UPPER(LEFT(DATENAME(dw, StartTime), 3))
ORDER BY
CASE WHEN UPPER(LEFT(DATENAME(dw, StartTime), 3)) = 'MON' THEN 1
WHEN UPPER(LEFT(DATENAME(dw, StartTime), 3)) = 'TUE' THEN 2
WHEN UPPER(LEFT(DATENAME(dw, StartTime), 3)) = 'WED' THEN 3
WHEN UPPER(LEFT(DATENAME(dw, StartTime), 3)) = 'THU' THEN 4
WHEN UPPER(LEFT(DATENAME(dw, StartTime), 3)) = 'FRI' THEN 5
WHEN UPPER(LEFT(DATENAME(dw, StartTime), 3)) = 'SAT' THEN 6
WHEN UPPER(LEFT(DATENAME(dw, StartTime), 3)) = 'SUN' THEN 7
END
--------------
returns
MON 6
TUE 3
WED 5
THU 3
FRI 2
SAT 1
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Mar 17, 2008
Here is my dataset used by my report definition. The combo of barcode and order id is unique. The 'isDiscountedItem' field indicates if the customer used a coupon to purchased an item at a lower price.
departmentId classId barcode orderId isDiscountedItem
----------------------------------------------------------------------------------------------------------------------
1 1 123 1 True
2 7 456 1 False
1 1 123 2 False
1 1 123 3 True
1 1 789 3 True
2 7 456 3 False
... ... ... ... ...
I want to group my report by department id, class id and barcode. Then, I want to count all distinct order ids for which there was at leat one discounted item.
My report would produce the following output considering the above dataset:
Merchandise Number of customers who used a coupon
--------------------------------------------------------------------------------------------------------------
Department 1 2
Class 1 2
Barcode 123 2
Barcode 789 1
Department 2 0
Class 7 0
Barcode 456 0
I've been looking at a possible solution using hash tables defined in the report code but I would like to find a 'cleaner' solution. Any help would be appreciated.
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Nov 30, 2007
We have a table of students with fields for the ID of the school district and their school name. For example:
DistrictID
StudentName
SchoolName
10001
John Smith
Washington Elementary
10001
Jane Smith
Lincoln Middle
10002
David White
Hill High
...
...
...
I want is a listing with the school district ID, the student name, and the number of schools in the district.
I believe the following statement should give me what I want:
SELECT DistrictID, StudentName, COUNT(DISTINCT SchoolName) OVER (PARTITION BY DistrictID)
FROM StudentData
However, I get the error:
Msg 102, Level 15, State 1, Line 1
Incorrect syntax near 'distinct'.
If I take out the DISTINCT it runs fine, however it counts all the rows as expected, which is not what I want.
If I remove the OVER clause it runs fine, however, it counds the schools across all the districts, which is not what I want.
I can remove the OVER clause and use GROUP BY, but not while also retrieving StudentName.
The SQL 2005 Online Books don't seem to indicate that my statement is invalid. Here are the links just for reference:
Count: http://msdn2.microsoft.com/en-us/library/ms175997.aspx
Over: http://msdn2.microsoft.com/en-us/library/ms189461.aspx
Anyone have an idea one what I'm doing wrong or how to go about getting this information?
Thanks!
Matt Penner
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May 22, 2008
Thanks for taking the time to read my post. I greatly appreciate it!
What i'm trying to do is get a distinct count of account numbers within a rolling period. My actual take is rather large but i've created a smaller-like version below. Please reference this table.
Account
Date
1
1/1/08
2
1/2/08
3
1/2/08
2
2/8/08
4
2/9/08
1
2/15/08
1
3/5/08
5
3/6/08
4
3/9/08
3
3/10/08
1
4/1/08
5
4/9/08
2
4/15/08
3
4/26/08
1
5/3/08
2
5/15/08
3
5/29/08
6
5/30/08
Let's say i want to return distinct count of accounts within a 2-month rolling period meaning in February, i'd get a distinct count for accounts in January & February, then in March i'd get a distinct count for February & March, then in April i'd get it for March & April, and so on... my results table would like the table below:
Account
Month
3
1
4
2
5
3
5
4
5
5
I had asked this before but it was a summing equation and not a unique count. I've tried to play with the summing equation to kind of make it work, but i'm starting to get a headache. It's probably so simple!
Here's my previous post: http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=2289509
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Jun 12, 2006
i am currently trying to build a distinct count on my cube (mssql2005 analysis services).But after i added the discount count on the field i want to and start the processing, the following errors appear.Errors in the OLAP storage engine: The sort order specified for distinct count records is incorrect.
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Sep 21, 2015
I have the below query,
select
a.Assignment_UniqueID as DeploymentID,
a.AssignmentName as DeploymentName,
a.StartTime as Available,
a.EnforcementDeadline as Deadline,
sn.StateName as LastEnforcementState,-----Required Column
[Code] ....
o/p: is :
LastEnforcementState NumberOfComputers PComputers
Compliant 7056 91.54
Downloading update(s) 39 0.51
[code]....
I want to add these two rows information into single row,
Failed to Download Updates(s) 131(127+8) 1.66(1.65+0.1)
how to do this in my sql query?
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