SQL 2012 :: Fast Way To Do Group By Count On Items Within Group?

May 1, 2014

select top 15 count(*) as cnt, state from table
group by state
order by cnt desc

[code[...

Can the above three queries be combined into one and still be fast, if so how?What i am trying to go is an item count, by group, similar to ones Inbox in Outlook.

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T-SQL (SS2K8) :: How To Group Total Count Of Similar Items

Mar 30, 2015

We sell & ship packages that contain multiple items within them. The actual package (we call it the "parent item") is in the same table as the items within it ("child items"). If the record is a child item within a package, its "ParentId" field will contain the ItemId of the package.

So some sample records of a complete package would look like this:

ItemId | ParentId | Name | QtyAvailable
----------------------------------------
1 | NULL | Package A | 10
2 | 1 | Item 1 | 2
3 | 1 | Item 2 | 3

ItemId's 2 & 3 are items contained within the ItemId 1 package.

Now however, the client wants us to build a report showing all packages (all items where ParentId is NULL) however, they want to see the QtyAvailable of not only the package but the items as well (a total of 15 when using the example above), all grouped into a single line. So a sample report line would look like this:

Name | Available Qty
--------------------------
Package A | 15
Package B | 100

How can I do a SELECT statement that SUMS the "QtyAvailable" of both the parent & child items and displays them along with the package name?

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Repeat First Row Group Header For Second Row Group Items

Jun 6, 2007

I have a matrix with two row groups and one column group with about 6 items in it. I have about 2100 rows at the lowewst row group level. This report was built solely for excel export. The first row group has about 20 items and controls the visibility of the other group. When I toggle the visibility of the second row group, how can I make the the header of the first row group copy down for each row of the other row group? The first row group is the Section and the second is Mnemonic.



Example:

Now:




Code Snippet
Column Column
Section1 -

Mnemonic

Mnemonic

Mnemonic

Mnemonic

Section2 -

Mnemonic

Mnemonic

Mnemonic

Mnemonic





Should be:


Code Snippet

Column Column

Section1 -

Section1 Mnemonic

Section1 Mnemonic

Section1 Mnemonic

Section2 -

Section2 Mnemonic

Section2 Mnemonic

Section2 Mnemonic

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Adding A Group By Clause And Getting A Count Of A Group

Feb 6, 2008

HiI am new to SQL and am having a problem. I need to fix my query to do the following...2) get a total of the number of rows returned.
DECLARE @StartDate varchar(12)DECLARE @EndDate   varchar(12)DECLARE @Region    varchar(20)
SET @StartDate = '01/01/2002'SET @EndDate   = '12/31/2008'SET @Region    = 'Central'
SELECTA.createdon,A.casetypecodename,A.subjectidname,A.title,A.accountid,A.customerid,A.customeridname,B.new_Region,B.new_RegionName
FROM  dbo.FilteredIncident AINNER JOIN dbo.FilteredAccount B ON A.customerid = B.accountid
WHERE (A.createdon >=@StartDate  AND A.createdon <= @EndDate)AND   (B.new_RegionName = @Region)AND   (A.casetypecode = 2) 
 

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How?: Group By Date And Count Rows In Group

Jan 29, 2007

I'm new to MSSQL 2005 and want to get a summary of a log table. I want to count all the rows for each date based on a DATETIME field called 'post_date' that holds the date and time of each record's creation.

this is the best I can come up with:

Code:


SELECT
DISTINCT(LEFT(post_date,11)) AS post_date, COUNT(DISTINCT(LEFT(post_date,11))) AS total_posts
FROM log_directory_contacts
GROUP BY post_date



The results show each date but the count column ('total_posts') returns '1' for every row even when I know their are more than 1 record on that date.

What am I doing wrong? Thanks!

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Reporting Services :: Group And Sum Items / Sub-items Into One Record

Apr 10, 2015

I'm having an issue creating a report that can group & sum similar items together (I know in some ways, the requirement doesn't make sense, but it's what the client wants).

I have a table of items (i.e. products).  In some cases, items can be components of another item (called "Kits").  In this scenario, we consider the kit itself, the "parent item" and the components within the kit are called "child items".  In our Items table, we have a field called "Parent_Item_Id".  Records for Child Items contain the Item Id of the parent.  So a sample of my database would be the following:

ItemId | Parent_Item_Id | Name | QuantityAvailable
----------------------------------------
1 | NULL | Kit A | 10
2 | 1 | Item 1 | 2
3 | 1 | Item 2 | 3
4 | NULL | Kit B | 4
5 | 4 | Item 3 | 21
6 | NULL | Item 4 | 100

Item's 2 & 3 are child items of "Kit A", Item 5 is a child item of "Kit B" and Item 6 is just a stand alone item.

So, in my report, the client wants to see the SUM of both the kit & its components in a single line, grouped by the parent item.  So an example of the report would be the following:

Name | Available Qty
--------------------------
Kit A | 15
Kit B | 25
Item 4 | 100

How I can setup my report to group properly?

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SQL Server 2012 :: Obtaining A Comma Delimited List For Each Group In The Output Of A Group By Query?

Jan 10, 2014

I'd like to ask how you would get the OUTPUT below from the TABLE below:

TABLE:
id category
1 A
2 C
3 A
4 A
5 B
6 C
7 B

OUTPUT:

category count id's
A 3 1,3,4
B 2 5,7
C 2 2,6

The code would go something like:

Select category, count(*), .... as id's
from TABLE
group by category

I just need to find that .... part.

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SQL 2012 :: SSRS Average Column Group Value For Row Group

Feb 28, 2014

I'm having a fight with Reporting Services at the minute when trying to compute an average at the row group level for a value summed in a column group.I have the following column groups:

Year
Month
Date

And the following row groups:

Region
Product
SubType (hidden, data at the date level is summed to Product)

At the moment I'm computing the average for SubType for each Date at the Product level (giving a decimal value), so for each day I end up with a nice average, that works. However I am unable to average that average over the whole Year for a Product. The issue being that I'm trying to combine Row Groups (Product) and Column Groups (Date/Year)

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Reporting Services :: Display Group Name Value Of Each Group In Column Header Outside The Group?

Sep 29, 2015

I have an SSRS 2012 table report with groups; each group is broken ie. one group for one page, and there are multiple groups in multiple pages.

'GroupName' column has multiple values - X,Y,Z,......

I need to group 'GroupName' with X,Y,Z,..... ie value X in page 1,value Y in page 2, value Z in page 3...

Now, I need to display another column (ABC) in this table report (outside the group column 'GroupName'); this outside column itself is another column header (not a group header) in the table (report) and it derives its name partly from the 'GroupName'  values:

Example:

Value X for GroupName in page 1 will mean, in page 1, column Name of ABC column must be ABC-X Value Y for GroupName in page 2 will mean, in page 2, column Name of ABC column must be ABC-Y Value Z for GroupName in page 3 will mean, in page 3, column Name of
ABC column must be ABC-Z

ie the column name of ABC (Clm ABC)  must be dynamic as per the GroupName values (X,Y,Z....)

Page1:

GroupName                 Clm ABC-X

X

Page2:

GroupName                 Clm ABC-Y

Y

Page3:

GroupName                 Clm ABC-Z

Z

I have been able to use First(ReportItems!GroupName.Value) in the Page Header to get GroupNames displayed in each page; I get X in page 1, Y in page 2, Z in page 3.....

However, when I use ReportItems (that refers to a group name) in the Report Body outside the group,

I get the following error:

Report item expressions can only refer to other report items within the same grouping scope or a containing grouping scope

I need to get the X, Y, Z ... in each page for the column ABC.

I have been able to use this - First(Fields!GroupName.Value); however, I get ABC-X, ABC-X, ABC-X in each of the pages for the ABC column, instead of ABC-X in page 1, ABC-Y in page 2, ABC-Z in page 3, ...

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No Items In SQL Server Group

Apr 30, 2004

In my enterprise mngr under Microsoft sql Servers
Sql Server Group

I see (No Items)

My network guy doesnt no much about this and i know nothing (all my experience is with db on my local hd.


Please let me know as much as possible.


Thanks

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SQL Server Group (No Items) ... Help

Apr 17, 2008

I am using SQL Server 2000. I am logging on local machine. When I open "SQL Server Enterprise Manager," I only see following:

Console Root --> Microsoft SQL Servers --> SQL Server Group --> (No items)

The server is running properly and applications are able to access the database. Also, I can run "Query Analyzer" and view all databases.

Please help to resolve the issue to view items in SQL Server Group.
Thanks,
Suraj.

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No Items Under SQL SERVER GROUP

Mar 26, 2008



Group

I have sql server 2000 that was working fine until today,today I opened EM and under sql server group where used to be all my information now there is NO ITEM, nothing shows(database,Nothing) .no items under SQL SERVER GROUP.
But my application connected with sql server is running without any problem insert record and show all data.
ERROR MESSAGE:
A connection could not be established to sql server-2000-
Reason: Cannot open user default database. Login failed

Please vrify SQL Server is running and check your SQL server registration
properties(by right clicking on the Win-2000-Server node and try again)

PLEASE what that happens.
please iam afraid help me now
iam waitting now
Thanks


hassan

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SQL Server Group (No Items)

Apr 17, 2008

I am using SQL Server 2000. I am logging on local machine. When I open "SQL Server Enterprise Manager," I only see following:
Console Root --> Microsoft SQL Servers --> SQL Server Group --> (No items)

The server is running properly and applications are able to access the database. Also, I can run "Query Analyzer" and view all databases.

Please help to resolve the issue to view items in SQL Server Group.
Thanks,
Suraj.

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Aggregate And Group By - Sum Of Items Ordered In One Row

Jan 16, 2014

Installed the Northwind database for data to practice with. I'm trying to combine data from several tables to make the orders table more readable. Meaning, I'm trying to replace the EmployeeID field with the combination of the firstname and lastname fields from the Employees table. Everything works fine until I try to sum the Unit price field from the [Order Details] table. Using just a SUM() function or the Select statement below causes the error and any combination of fields in the Group By command don't correct it. It's clear that I'm doing something wrong, I'm just not sure how to get the data I want or use the group by command properly. Query below:

Select o.OrderID, c.companyName, e.firstname + ' ' + e.lastname EmployeeName, o.orderdate, s.companyName,
o.Freight, o.shipName, o.ShipAddress, (Select Sum(od.UnitPrice) from [Order Details] od where od.OrderID = o.OrderID)as Amount
from orders o, customers c, Employees e, Shippers s, [Order Details] od
where o.CustomerID = c.CustomerID

[Code] ....

Running the first query (with the select statement) works, but returns a row for each of the the items that was ordered for that OrderID and NOT using the Group By. I would like to have the SUM() of the items ordered in one row. Is this possible?

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Query To Group Sequential Items

Jul 23, 2005

Let's say I have the following table:entry product quality1 A 802 A 703 A 804 B 605 B 906 C 807 D 808 A 509 C 70I'm looking for a way to find the average "quality" value for aSEQUENTIAL GROUPING of the same Product. For exmple, I need anaverage of Entry 1+2+3 (because this is the first grouping of the sameproduct type), but NOT want that average to include row 8 (which isalso Product A, but in a different "group".)I'm sure it can be done (because I can describe it!), but I'll be amonkey's uncle if I can figure out how. I would imagine it wouldinvolve some sort of running tally that references the next record asit goes... to see if the product type has changed. Perhaps use of atemporary table?Muchas gracias!!Cy.

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Group By And Count Of Each Group

Oct 23, 2007

Hi,
I use group by myItem, that displays rows for each value of myItem.
I want at the end of each group for each specific myItem, I want an extra row to tell me the count of the rows for that group.

How do i do that please. Here s what I need, for example for this set of rows:


myItem colum2 colum3
711056 22662 Finances / -2291 -2479916
711056 22663 Finances / -2380 -2576255
711056 43428 Cda) -323 -349635
711056 43428 . -B-(Cda) -44 -47628
711057 44348 . -B-(Cda) -355 -384273
711057 47033 . -B-(Cda) -1278 -1383384

I need 2 extra rows, one at the end of the items 711056 telling me there are 4 rows for the item 711056 and one row at the very end telling me there are: 2 rows for the item: 711057

Thanks a lot.

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Group By / Hiding Report Items (Newbie)

Apr 3, 2008

Hi. First, I am VERY new to SQL Queries and Reporting. A co-worker is "mentoring" me, but I am trying not to fill his day with questions.

I HAVE read the help files, searched the forums, looked at books, and done general web searches, but any answers I have found have either no addressed my issue, or the answers are way over my head.

Furthermore, the (SQL 2000) DB is built into proprietary software (ISS Proventia Intrusion Prevention System), and the database may NOT be modified outside of the software.

With that said, I am querying multiple tables within the DB. I am using Business Intelligence Dev Studio, and placing my queries on a reporting server maintained by my co-worker. My goal is not only to get a solution, but also to UNDERSTAND it so I can continue to learn. Of course, the solution takes precedence over my understanding!

My Primary key is dbo.SensorData1.SensorDataID. dbo.SensorDataAVP.AttributeText returns a different number of rows, containing different data depending upon the value of dbo.SensorData1.AlertName. I need to return all rows, hence the Left Joins.

Depending upon my query, I might have 1000 events, and due to the many rows of data from dbo.SensorData1.AlertName I might return 20,000 rows (or more.)

I would like to return a report that "groups" events by dbo.SensorData1.SensorDataID., BUT, rather than simply providing these in groups, provides me single rows with a plus sign next to each even, that can be expanded for the additional data.

My co-worker has discussed sub-tables, but since I cannot modify the DB, it will be difficult / complex to do so, AND, for me to understand.

One of my queries follows. I have thirteen queries, total, that use various groupings of attributes. I have chosen one of the more complex combinations so I can generally apply the concept to the queries with fewer parameters more easily.

Note, I'll be asking the same question on www.sqlservercentral.com in the hopes of getting an answer I can understand one of these two places - If you answer here, there's obviously no need answering there answering there.

Thank you in advance.



SELECT
convert(nvarchar(20), AlertDateTime,120)
AlertDateTime,
AlertName,
AlertPriority,
AlertCount,
convert(varchar,(convert(bigint,SrcAddressInt) / 256 / 65536)) + '.' +
convert(varchar,((convert(bigint,SrcAddressInt) /65536) % 256)) + '.' +
convert(varchar,(convert(bigint,SrcAddressInt) /256) % 256) + '.' +
convert(varchar,((convert(bigint,SrcAddressInt) % 256)))
SrcAddressInt,
SourcePort,
SourcePortName,
convert(varchar,(convert(bigint,DestAddressInt) / 256 / 65536)) + '.' +
convert(varchar,((convert(bigint,DestAddressInt) /65536) % 256)) + '.' +
convert(varchar,(convert(bigint,DestAddressInt) /256) % 256) + '.' +
convert(varchar,((convert(bigint,DestAddressInt) % 256)))
DestAddressInt,
DestPortName,
dbo.SensorData1.ObjectName,
SensorName,
SensorInterfaceName,
AlertTypeID,
convert(varchar,(convert(bigint,SensorAddressInt) / 256 / 65536)) + '.' +
convert(varchar,((convert(bigint,SensorAddressInt) /65536) % 256)) + '.' +
convert(varchar,(convert(bigint,SensorAddressInt) /256) % 256) + '.' +
convert(varchar,((convert(bigint,SensorAddressInt) % 256)))
SensorAddressInt,
ProtocolID,
Cleared,
VulnStatus,
dbo.SensorDataAVP.SensorDataID,
dbo.SensorDataAVP.AttributeName,
dbo.SensorDataAVP.AttributeDataType,
dbo.SensorDataAVP.AttributeText,
dbo.SensorDataAVP.AttributeValue,
dbo.SensorDataAVP.AttributeBlob,
ResponseTypeName,
ResponseName

from
dbo.SensorData

LEFT JOIN

dbo.SensorDataAVP
ON dbo.SensorDataAVP.SensorDataID =
dbo.SensorData1.SensorDataID

LEFT JOIN
dbo.SensorDataResponse
ON dbo.SensorDataResponse.SensorDataID =
dbo.SensorData1.SensorDataID

LEFT JOIN
dbo.ObjectView
ON dbo.ObjectView.ObjectName=
dbo.SensorData1.ObjectName


WHERE
convert(nvarchar(20), AlertDateTime,120) between @StartDate and @EndDate

AND
convert(varchar,(convert(bigint,SrcAddressInt) / 256 / 65536)) + '.' +
convert(varchar,((convert(bigint,SrcAddressInt) /65536) % 256)) + '.' +
convert(varchar,(convert(bigint,SrcAddressInt) /256) % 256) + '.' +
convert(varchar,((convert(bigint,SrcAddressInt) % 256)))

between @LowerIP and @UpperIP

AND
AlertName = @EventName

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Transact SQL :: Syntax To Group Items In One Line?

Nov 20, 2015

I have records that I get in this format:

ID                       Customer               Type                 TypeNUm
100                      Tiger                    Item                   T100  
100                      Tiger                     Item                   T200
100                      Tiger                     Item                   T300
100                      Tiger                     Shiper                  SAAA 
100                       Tiger                    PO                       POAAA
200                       Panera                  GL                   WE
200                       Panera                  PO                   POBBB

The reftypes are not always the same, what I need is to get it in this form

ID                       Customer               Type              TypeNUm
100                      Tiger                     Item                   T100,T200, T300 
100                      Tiger                     Shiper                  SAAA 
100                       Tiger                    PO                       POAAA
200                       Panera                  GL                      WE
200                       Panera                  PO                     POBBB

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Reporting Services :: Group Totals From Report Items

May 18, 2015

I have a table with a row group "Sales Area" that lists customers per sales area. There is one column with the sales per customer and another column with the planned sales per customer.A third column "Under Plan" is a simple calculation that compares the two Report Items of the sales to the plan and puts a 1 there if plan is higher. My issue is how to get the total of the group "Sales Area", to display the group total of all customers that are under plan. SSRS doesn't let me use aggregate functions on group totals;Unfortunately I cannot pre-calculate the "Under Plan" figure in the query, since this example is a simplified overview (the customers is a distinct count for example...)

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Subtotals In Table (group Footer) Using Report Items 2005

Aug 31, 2007

How can I calculate a subtotal for a Report Item? I have a textbox(lets call it "PlusMinus") in the detail section of my table, which is a calculated textbox of two others (lets call them "Budget" and "Spent"). So, PlusMinus = (Budget - Spent). What I would like to do is get a subtotal for PlusMinus. I have tried several ways, using Sum() or RunningValue, even tried to write code, but I can't seem to get it right. Any ideas??

Thanks in advance!

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Transact SQL :: Limit A Query Results When All Of Line Items Under Group Meet Certain Condition

Oct 1, 2015

I have a query that returns the data about test cases.  Each test case can have multiple bugs associated to it.  I would like a query that only returns the test cases that have all their associated bugs status = closed.For instance here is a sample of my data

TestCaseID TestCaseDescription  BugID BugStatus
1                TestCase1                       1      Closed
2                TestCase1                       2      Open
3                TestCase2                      11     Closed
4                TestCase2                      12     Closed
5                TestCase2                      13     Closed

How can I limit this to only return TestCase2 data since all of that test case's bugs have a status of closed.

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Group By And Count

Dec 21, 2007

I want to know how to merge the following data.  I am using 4 queries below.  I was hoping to do it with 1 query.   Table1Dist     Fund     VAE    AOVAW   AOMD      CourtMD     JudgeCAC   AOCAC   CourtVAE   JudgeVAE   JudgeI want to join the following 3 queries:DcountAll                                                                                                   DcountAOSelect Dist, Count(Dist)as Count from Table1  GROUP BY Table1.Dist           Select Dist, Count(Dist) as Count from Table1 Where Dist='AO' GROUP BY Table1.DistDcountCourtSelect Dist, Count(Dist) as Count from Table1 Where Dist='Court' GROUP BY Table1.DistSELECT DCountAll.Dist, DCountAll.Count, DcountAO.Count AS AO, DcountCourt.CountFROM DcountCourt RIGHT JOIN (DcountAO RIGHT JOIN DCountAll ON DcountAO.Dist = DCountAll.Dist) ON DcountCourt.Dist = DCountAll.Dist;

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Help ... COUNT + GROUP BY

May 30, 2008

hi everyone, I have a table: Help
A               B    C05/01/2008 100 1 05/01/2008 100 205/01/2008 100 205/01/2008 200 1 05/01/2008 200 2 
SELECT A, COUNT(DISTINCT C) FROM help GROUP BY A 
Result:1> 05/01/2008 2I need:1> 05/01/2008 4Thanks !!!

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How To Count GROUP BY

Nov 3, 1998

TO all SQL Gurus,

The following statement returns let say 4 records -

SELECT title, price FROM table GROUP BY title

what is the correct syntax for the statement to return the count of 4 ?

if I put ->

SELECT count (*) FROM table GROUP BY title

it'll return 1.

Thanks,


Frank

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Help On Count And Group

May 23, 2008

Hi everybody I have this sql code

SELECT i.infid, i.infname, i.infcalled, p.pubinfid, p.pubpub, p.publang, p.pubcount, p.pubid, n.cdpldesc
FROM info AS i INNER JOIN
pubssubscribe AS p ON i.infid = p.pubinfid INNER JOIN
newpubs AS n ON p.pubid = n.pubid
WHERE (i.infcond IS NULL)AND (p.pubid BETWEEN 30 AND 33) AND (p.pubcount > 1) AND (NOT (p.publang = '.'))

there are many records where infid appears more than once because people could subscribe in different in different publicatons.
ex.

infid pubid
1 30
1 32
1 33
2 30

etc... I want to count the infid appearing once and group it with infid

thanks

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Sum Of COUNT In Group By

Mar 25, 2004

SELECT emp_id,COUNT(*)
FROM emp
GROUP BY empId

THe above query returns the values

empid COUNT
1 4
2 4
3 5

BUT i want sum of the count (13) in the same query. How to achieve this.

Thanks.

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Help ... COUNT &#043; GROUP BY

May 29, 2008

hi everyone,

I have a table: Help

A B C
05/01/2008 100 1
05/01/2008 100 2
05/01/2008 100 2
05/02/2008 200 1
05/02/2008 200 2

SELECT a, COUNT(c) FROM Help GROUP BY a

Result:

1> 05/01/2008 3
2> 05/02/2008 2

But I need grouping columns B and C so that the result was

1> 05/01/2008 2
2> 05/02/2008 2

Is it possible? How can I do?
Thanks.

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Count Of Group By?

Jul 29, 2013

I want to join two tables and count the rows on the second table as something is grouped by the first. To be more clear. I have vendors and open tracking numbers for orders they have shipped. I want to list the vendor information and to group by the vendor. However I also want to count how many open orders that vendor has - which is on a different table. I have this so far:

SELECT `companyName`
, `emailAddress`
, `ccAddress`
, `dailyMessages`
, (SELECT count(*) FROM `tracking` WHERE `pkgStatus`!='4') AS 'openTracking'
FROM `vendor`
LEFT OUTER JOIN `tracking`
ON `vendor`.`id` = `tracking`.`vendorID`
WHERE (SELECT count(*) FROM `tracking` WHERE `pkgStatus`!='4') > 0
GROUP BY `vendor`.`id`

The problem is that this code results in this table. Where openTracking is always equal to the total count, not distinct to that vendor's ID

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SQL COUNT, SUM AND GROUP BY

Apr 5, 2006

Hello
I'm putting together a football database and want to show how many games a player played in a season.

SELECT COUNT (PlayerFixture.FixtureID) FROM PlayerFixture WHERE PlayerFixture.PlayerID = '::PlayerID::' GROUP BY Season

However if a player doesn't play any games in a particular season the COUNT function ignores it and just returns values in seasons he has played. Is there any way i can get the COUNT function to return a "0" or "-" if a player didn't play any games that season?

Cheers

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Count GROUP

Mar 13, 2007

hi,
this sounds simple, but ive to idea how ..
1. how to count all records we found when there's group by?
SELECT ItemID, CustomLotNo, Ownership
FROM tblItemDetail
GROUP BY ItemID, CustomLotNo, Ownership
ORDER BY ItemID

2. how to print rows number for each record? like the Expr1 column
Expr1 ItemID CustomLotNo Ownership
1 A A01 INT1
2 C GPB01 JAB2MY

~~~Focus on problem, not solution~~~

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Sub Group Count

Apr 24, 2008

I am doing employee shift report. I am showing totals for the shift, day and store. Store is the main group, day is the sub group under store group and shift is the sub group under the day group. I want to calculate number of shift group records (Number of shifts) and use it in the store level group calculation.

How to do it?

Thanks,
Muniappan Kandasamy

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Group By Count * &&>1?

May 23, 2007

Can this be used to prevent the repetition of records displayed in a page?




Code Snippet

SELECT T_ProgramGuests, GuestName
FROM T_ProgramGuests
GROUP BY ProgramID, GuestName
HAVING (COUNT(*) > 1)

I'm trying to prevent names being repeated. I only want the name to show once followed by the next name and so on. But only once.

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Group By Having Count(*)

Jan 4, 2008

I would like to select data from a database using 'Select * " based on a value in a row (same column)being unique.
By that I mean that that data must not repeat again. Idealy I would like to set the number my self so rather then unique I could say

select the rows from the database only if the uniquevalue does not repeat more then x number of times.
eg
Value A
Value B
Value C
Value B
Value B
Value C

So if I wanted to set the uniquness to 1 then only row with Value A would be collected.
If I set the uniquenss to =<2 then I would get data from rows with value A and C so
3 rows returned.

I have this so far

SELECT *
FROM SingleS.mdb
GROUP BY Uniquevalue
HAVING count(*) = 1

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