Simple SQL Distinct...!?
Feb 27, 2006
This may be a really simple question, but I always have problems with
Distinct queries.
In this instance, I have a table of Delivery addresses, some will be exactly
the same EXCEPT for the DeliveryID field, but eitherway I need the
DeliveryID so that I can pass it onto the next form.
So, I need to run a query that will find only addresses that are unique
whilst retaining the respective DID for the rows...
SELECT DISTINCT DeliveryID, Address, Organisation, Organisation, Town,
County, PostCode FROM SOL_Delivery WHERE CustomerID = 15)
How do I adjust the following to only 'Distinct' the fields other than the
DeliveryID?
Thanks!
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Aug 19, 2005
I have what I thought should be a simple query that's not quite as simple as I thought. Maybe I haven't had enough coffee yet.
Here's the scenario,
Data table looks like this :
COLUMN A is Primary Key
COLUMN B is UserID
COLUMN C is (for example purposes) an int field
A B C
1 1 SOME VALUE
2 1 SOME VALUE
3 1 SOME VALUE
4 2 SOME VALUE
5 2 SOME VALUE
6 2 SOME VALUE
7 3 SOME VALUE
8 3 SOME VALUE
9 3 SOME VALUE
The query that I'm looking for would return all 3 columns but only the first row for each distinct (unique) UserID (Column B)
Hope that all makes sense! ;)
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Jul 20, 2005
I'm trying to query the pubs database for last title for each author.The query returns each title for each author. How can I operate on maxof title?Here's what I'm trying:select distinct au_id,max(title_id)as title from titleauthorgroup by au_id,title_idorder by au_iddito*** Sent via Developersdex http://www.developersdex.com ***Don't just participate in USENET...get rewarded for it!
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Jul 6, 2007
Hi, I have the following script segment which is failing:
CREATE TABLE #LatLong (Latitude DECIMAL, Longitude DECIMAL, PRIMARY KEY (Latitude, Longitude))
INSERT INTO #LatLong SELECT DISTINCT Latitude, Longitude FROM RGCcache
When I run it I get the following error: "Violation of PRIMARY KEY constraint 'PK__#LatLong__________7CE3D9D4'. Cannot insert duplicate key in object 'dbo.#LatLong'."
Im not sure how this is failing as when I try creating another table with 2 decimal columns and repeated values, select distinct only returns distinct pairs of values.
The failure may be related to the fact that RGCcache has about 10 million rows, but I can't see why.
Any ideas?
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Mar 12, 2007
I need to run a SELECT DISTINCT query acrossmultiple fields, but I need to add another field that is NON-DISTINCTto my record set.Here is my query:SELECT DISTINCT lastname, firstname, middleinitial, address1,address2, city, state, zip, age, genderFROM gpresultsWHERE age>='18' and serviceline not in ('4TH','4E','4W')and financialclass not in ('Z','X') and age not in('1','2','3','4','5','6','7','8','9','0')and (CAST (ADMITDATE AS DATETIME) >= DATEDIFF(day, 60, GETDATE()))ORDER BY zipThis query runs perfect. No problems whatsoever. However, I need toalso include another field called "admitdate" that should be treatedas NON-DISTINCT. How do I add this in to the query?I've tried this but doesn't work:SELECT admitdateFROM (SELECT DISTINCT lastname, firstname, middleinitial, address1,address2, city, state, zip, age, gender from gpresults)WHERE age>='18' and serviceline not in ('4TH','4E','4W')and financialclass not in ('Z','X') and age not in('1','2','3','4','5','6','7','8','9','0')and (CAST (ADMITDATE AS DATETIME) >= DATEDIFF(day, 60, GETDATE()))ORDER BY zipThis has to be simple but I do not know the syntax to accomplishthis.Thanks
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May 8, 2006
Hello,
I have written a small asp.net application, which keeps record of the proposals coming from the branch offices of a bank in a tableCREATEd as a TABLE Proposals ( ID smallint identity(7,1), BranchID char(5), Proposal_Date datetime )
This app also calculates the total number of proposals coming from a specific branch in a given date bySELECTing COUNT(BranchID) FROM Proposals WHERE BranchID=@prmBranchID AND Proposal_Date=@prmDateand prints them in a table (my target table).
This target table has as many rows as the result of the "SELECT COUNT( DISTINCT Proposal_Date ) FROM Proposals"and excluding the first column which displays those DISTINCT Proposal_Dates, it also has as many columns as the result of the"SELECT DISTINCT BranchID FROM Proposals". This target table converts the DateTime values ToShortDateString so that we are able to see comfortably which branch office has sent how many proposals in a given day.
So far so good, and everything works fine except one thing:
Certain DateTime values in the Proposals table which are of the same day but of different hours (for ex: 11.11.2005 08:30:45 and11.11.2005 10:45:30) cause some trouble in the target table, where "SELECT COUNT( DISTINCT Proposal_Date ) FROM Proposals" is executed, because (as you might already guess) it displays two identical dates in ShortDateString form, and this doesn't make much sense (i.e. it causes redundant rows)
What I need to do is to get a result like (in a neat fashion :)
"SELECT COUNT( DISTINCT Proposal_Date ) <<DISTINCT ONLY IN THE DAYS AND NOT IN HOURS OR MINUTES OR SECONDS>> FROM Proposals"
So, how to do it in a suitable way?
Thanks in advance.
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May 26, 2004
Hey,
I have MS SQL database.
I have procedure:
code:--------------------------------------------------------------------------------
CREATE PROCEDURE dbo.Reg_DropTable
@ModuleId varchar(10)
AS
declare @TableName varchar, @kiek numeric
set @TableName = 'reg_'+@ModuleId
begin
DROP TABLE @TableName <- HERE I GOT ERROR
end
GO
--------------------------------------------------------------------------------
I got error when using variable with tables names.
How to do this?
Ps. Number is send to this function and it must drop table with name Reg_[That number]
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Mar 29, 2007
suppose i have aDataset with 11 rows. field1 with 5 rows of aaa, 6 rows of "bbb"
I want's some thing like
field1 rowcount
aaa 5
bbb 6
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Jan 9, 2015
Okay, I've been working on this for a couple of hours with no success. I'm trying to find the number of telephone numbers that are associated with multiple students at different school sites. I've created a temp table that lists all phone numbers that are associated with more than one student. I'm now trying to query that table and count the number of telephone numbers that are associated with more than one site. Essentially, I'm looking for parent/guardians that have students at different sites.
Here's an example of what I'm hoping to accomplish:
*In this example, I'm just trying to get a count of the different/distinct school sites associated with each number. If I can, at the same time, limit it to a count of > 1 (essentially excluding parents with students at the same site), even better :)
===================================
Temp table
===================================
SCHOOL | STU_ID | STU_PHONE
101 | 12345 | 111-222-3333
101 | 23456 | 111-222-3333
102 | 34567 | 111-222-3333
101 | 45678 | 999-888-7777
101 | 56789 | 999-888-7777
101 | 67890 | 555-555-5555
102 | 78901 | 555-555-5555
103 | 89012 | 555-555-5555
==================================
Wanted query results
==================================
STU_PHONE | #Students | UNIQUE_SCHOOLS
111-222-3333 | 3 | 2
999-888-7777 | 2 | 1
555-555-5555 | 3 | 3
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Feb 21, 2007
I am receiving funny results from a query. To simplify, I have 2 tables (todayyesterday). Each tbl has the same 8 columns. My query joins the two tables then looks where either of two columns has changed. What is happening is that when checking one of the columns it seems as though sql is flipping the column, causing it to be returned in error.
result set
colA colB colC colD colE colF colG colG (from yesterday)
1 1 a b c d e m
1 1 a b c d m e
So what's happening is that the record above is actually the same record and should not be returned. There is a daily pmt column that changes but I am not using that in the query. Aside from that the two records are identicle.
Any help is appreciated.
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Aug 19, 2006
Hi,
I have the following situation (with a site that already works and i cannot modify the database architecture and following CrossRef tables -- you will see what i mean by CrossRef tables below)
I have:
Master table Hotel
table AddressCrossRef (with: RefID = Hotel.ID, RefType = 'Hotel', AddrID)
joins
table Address (key = AddrID)
table MediaCrossRef (with RefID = Hotel.ID, RefType= 'Hotel', MediaID)
joins
table Media (with MediaID,mediaType = 'thumbnail')
foreach hotel, there definitely is a crossRef entry in AddressCrossRef and Address tables respectively (since every hotel has an address)
however not all hotels have thumbnail image
hence i have hotel inner join AddressXReff inner join Address ..... however i must have
left outer join mediaXref left outer join media
the problem is that if there is no entry in Media or mediaXref, I don't get any results
i tried to get over it by using
where (media.mediaTyple like 'thumbnail' or media.mediaType is null)
but then i started getting multiple results for each hotel because media's of type movie or full_image or etc... all got returned
any clue?
thanks
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Sep 27, 2007
If I know this SELECT will get me unique username to configname records:Select DISTINCT configname, username FROM EtechModelRequests
JOIN CC_host.dbo.usr_smc ON
username = user_id
JOIN Webservices.dbo.PartNumberPricingImport ON
PartNumber = configname
Where RequestDateTime > '9/26/2007' And country = 'US' And interfacename Like '%download%' And result = 0
How do I show the other fields I need? The field I need is List Price but I don't want to DISTINCT on it too.
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Mar 31, 2008
Hi I have two tables linked by MemberID and I'll like to produce a list from the two tables but also want to specify one table to only use the Top 50 distinct records
Table 1 (top 50 Distinct)
Memberid (distinct)PictureDateTakenGalleryID
Order By DateTaken
Table 2
MemberidFirstNameLastNamePrivatelist
MemberidPictureFirstNameLastNameGalleryIDPrivate
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Apr 2, 2004
I have a query and it is bringing up multiples of the same data
what i would like to know is if there is a way to use something like Distinct that i can use as a clause
such as
Select *
from Table
Where Distinct ColumnName
I know that distinct doesnt work in this situation
I would like to know if there is a command to do this or a way to fix it
if i use this
select distinct columnName,columnName2
from table
it returns the rows where columnName and ColumnName2 both are not the same
My purpose is that i need to select more than one column but i would like non duplicates based on ONE column name
thanks for any help
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May 31, 2002
I have 6 fields in my table and I want to display only distinct values from one of those columns. However, I also need to use the fields from the remaining 5 columns in my asp page. For example,
Columns:
CompID
CompanyName
Ticker
Industry
CEOName
MarketCap
In one table on the page, I want to display only unique entries for 'CompanyName' which I've been doing with this statement:
SqlText = "SELECT DISTINCT CompanyName FROM [tablename] WHERE UserID=" & intUserID & ""
However, I also need to use the other values associated 'CompanyName' in my asp page after opening my recordset. I need to display <%=Rs("CompID"%>, <%=Rs("Ticker"%>, <%=Rs("Industry"%> etc. while maintaining the DISTINCT portion of my statement.
Thanks again.
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Sep 12, 2006
I have 3 records in a db..
Table
id
file_name
category
Records
1
bob.jpg
male
2
rob.jpg
male
3
pam.jpg
female
I am trying to grab the distinct category so only 'male and female' is output, but i am also needing to grab the id, file_name to use later on the page as well.
When i try
select distinct category, id, file_name
from tbl_pictures
it outputs all the records since there is no exact match in all 3 fields,
but i am wanting this to happen
select distinct category
from tbl_pictures
but i am still needing to grab the other two fields because i need to use them in the next part of the page
how can i go about doing this
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Apr 22, 2008
What is the difference between distinct and group by please?
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Apr 24, 2008
Hi,
I have data in several tables and Im having trouble filtering the data.
This is statement that Im executing:
1. SELECT DISTINCT Countries.Name, Companies.ShortName, Persons.FirstName, Persons.LastName, PersonSkills.Skills
This is the statement that gives me the results I want:
2. SELECT DISTINCT Countries.Name, Companies.ShortName, Persons.FirstName, Persons.LastName
The problem with this is I need to have Persons.Skills in the statement and DISTINCT doesnt filter the data the way I need it to because the data in Persons.Skills is different which results in I get duplicated results.
Is it possible to do something like
SELECT DISTINCT column1,..,column5,(SELECT Persons.Skills)
by this I mean to apply distinct to some of the columns in the SELECT statement?
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May 20, 2008
I require only the distinct objects that were depend on my stored procedures
i tried for sp_depends test_sp
for this
dbo.iim_CPL_fsl_tree_tbl_tmpuser tablenonolayout_slno
dbo.iim_CPL_fsl_tree_tbl_tmpuser tablenonolayout_type
dbo.iim_CPL_fsl_tree_tbl_tmpuser tablenonolevel1
dbo.iim_CPL_fsl_tree_tbl_tmpuser tablenonolayout_operator
dbo.iim_CPL_fsl_tree_tbl_tmpuser tablenonorlevel1desc
dbo.iim_CPL_fsl_tree_tbl_tmpuser tablenonorlevel2desc
dbo.iim_CPL_fsl_tree_tbl_tmpuser tablenoyesguid
dbo.abb_account_budget_dtluser tablenonocompany_code
dbo.abb_account_budget_dtluser tablenonofb_id
dbo.abb_account_budget_dtluser tablenonofin_year_code
dbo.abb_account_budget_dtluser tablenonofin_period_code
dbo.abb_account_budget_dtluser tablenonoaccount_code
being dbo.abb_account_budget_dtl were repeated more than once.i need only the distinct objects..any other system procedure is there??
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Jun 3, 2008
I'm trying to find the Distinct for CODEID but it's still returning duplicate data. What is the best way to write this query so that the result I get are Distinct Codeid?
SELECT DISTINCT dbo.AgreementDurationCode.CodeID, dbo.Item.PartNumber, dbo.ItemShadow.AgreementDurationCode, dbo.AgreementDurationCode.CodeCategory,
dbo.AgreementDurationCode.CodeCategoryID, dbo.AgreementDurationCode.Code, dbo.AgreementDurationCode.CodeName,
dbo.AgreementDurationCode.CodeAbbreviation, dbo.AgreementDurationCode.CodeShortAbbreviation, dbo.Item.ItemName,
dbo.AgreementDurationCode.CodeMaxcimAbbreviation, dbo.ItemShadow.ItemStatusCode, dbo.ItemShadow.LicenseTypeCode
FROM dbo.Item INNER JOIN
dbo.ItemShadow ON dbo.Item.ItemID = dbo.ItemShadow.ItemID INNER JOIN
dbo.AgreementDurationCode ON dbo.Item.AgreementDurationCodeID = dbo.AgreementDurationCode.CodeID
WHERE (dbo.ItemShadow.LicenseTypeCode IN ('SEL', 'OLP', 'OLV')) AND (dbo.ItemShadow.ItemStatusCode = 'COM')
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Apr 18, 2014
I have data like this
course_id Session
--------- --------
1234 8.00 - 10.00
4567 8.00 - 10.00
From the above table i want the result to be like this
course_id1 course_id2 session
---------- ---------- -------
1234 4567 8.00 - 10.00
Looking for query to get the above result format.
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Mar 13, 2007
Hi All,
I am using SQL Server 2000. I have 3 fields in my table. I want to do distinct on one field but also want to show the remaining two fields in the result. How can I do that?
Thanks
-G
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Apr 6, 2007
Is there some way to use the distinct keyword so that it applies ONLY to a subset of the items in the select list???
For example, suppose I want to
select col_1, col_2, col_3, col_4
but I do not want distinct applied against all 4 items...
Maybe I want all 4 items in the selection list,
but I want distinct to use only col_3 as its filtration criteria...
I know the syntax shown below is not valid, but I am showing it anyway because I am hoping it will illustrate what I am looking for...
Is there a VALID syntax that is something like this???
select col_1, col_2, (distinct col_3), col_4
or
select col_1, col_2, distinct (col_3), col_4
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May 22, 2007
I am trying to pull information out of a table using distinct, but instead of just pulling a certain column I want to pull multiple columns in a row?
However when I use the command below I only get the "workitem_number" column available, where there are approx. 4 other columns that I need (workitem_title, workitem_comment, ETC) When I add the additional columns (after the distinct statement) it doesn't work due to the type of data.
"SELECT DISTINCT workitem_number from workitem_cost_view where assigned_to_worker_nt_id = '" & Request.QueryString("Name") & "' AND workitem_start_on = '" & Request.QueryString("schDate") & "' order by workitem_number"
Is there any way to pull multiple columns, based only on distinct for one column?
I hope I'm explaining this correctly.
Thanks.
Rwj6001
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Sep 1, 2007
Hi
I have table 'TblProd' and columns ID, categories, make, description, model. I am using the below procedure
create procedure getsubcategories
@category nvarchar (32)
As
Select ID, make, model from TblProd where category = @category
GO
My question how do I get distinct 'make' and other respective columns.
advance thanks
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Jan 28, 2008
Hi Guys,,
want I need your help
I have the ff records:
Customer
ID CustNo Name Type
10 1 Madonna R
10 2 Madonna R
I used the ff query
select distinct(ID), CustNo, name,type
from Customer
where Type = 'R'
order by Name
but the result is wrong.
I want this result:
10 2 Madonna R
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Mar 4, 2008
Hello - I am having trouble with my sql statement:
SELECT * FROM (SELECT DISTINCT rfs_id FROM tbl_comment) DT INNER JOIN summary_rfs t1 ON DT.rfs_id = t1.rfs_id INNER JOIN tbl_callStatus as t2 on t1.callstatus_id=t2.callstatus_id INNER JOIN tbl_user as t3 on t1.requestor=t3.user_name INNER JOIN tbl_user as t4 on t1.assigned_to=t4.user_name WHERE date_opened BETWEEN '1/1/2008' AND '1/1/2009' AND ASSIGNED_TO='Elaine Tran' ORDER BY priority_id ASC
this runs fine - but I want to retrieve data from tbl_comment how can I do this to display info from tbl_comment but not see the duplicates - can I flatten or merge the data?
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Nov 7, 2007
Hello,I have a tableItemID Version12 1.012 1.112 2.013 2.013 1.014 1.015 1.015 5.015 2.1How do I write a Select query to get me all distinct item IDs, whichmare of the latest version?Like this:ItemID Version12 2.013 2.014 1.015 2.1Any help would be appreciated.Thanks
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Jul 9, 2006
Hi people,
I love reporting services 2005 BUT have struck a major limitation!
Basically I need a sum distinct function. I have various duplicate details lines and just need to sum the unique values. Anyway this is not possible and a number of people a stuck with this. Yes you can write another sql statement using DISTINCT but then how can you easily integrate that into a table with scope? you can't!
Anyway has anyone been able to achieve this nicely in reporting services? I was thinking of calling a distinct SQL statement from an Expression in a text box on a header field and passing another text box as a parameter to get around this limitation. Is this possible?
Here is a link with similiar problem
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=240606&SiteID=1
Cheers
Damien
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Oct 8, 2006
HiI wanna write a proc that returns Distinct CustomerID's in a table and returns result in output parameterWhen i try this, i get error - incorrect syntax near distinct. Any ideas??ALTER PROCEDURE proc_Report_CountCustomers_Sept( @CustCount int OUTPUT)ASSET NOCOUNT ON select @CustCount = distinct(CustomerID)from OrdersWhere OrderDate > '2006-09-01' and OrderDate < '2006-10-01'
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Oct 16, 2006
OK I have a Forum on my website make up of 3 tablesTopisThreadsMessageI show a list of the 10 most recent Changed Threads. My Problem is that my Subject field is in the messages Table, IF I link Threads to Messages then try to use Select Disticnt I get mutliple Subject fields as the messsges are not unique (obvisally) So I want to get the top 10 Threads by postdate and link to the Messages table to get the Subject headerAny help? Or questions to explain it better?
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Dec 28, 2006
OK heres what I have so far:
SELECT TOP (100) PERCENT dbo.EVENTS.EVENTIME, dbo.EMP.LASTNAME, dbo.EMP.FIRSTNAME, dbo.UDFEMP.EXT, dbo.READER.READERDESC, dbo.EVENTS.DEVID, CASE WHEN (dbo.EVENTS.DEVID = '23' OR dbo.EVENTS.DEVID = '24' OR dbo.EVENTS.DEVID = '25' OR dbo.EVENTS.DEVID = '26') THEN 'OUT' ELSE 'IN' END AS STATUSFROM dbo.READER INNER JOIN dbo.EVENTS ON dbo.READER.READERID = dbo.EVENTS.DEVID INNER JOIN dbo.UDFEMP INNER JOIN dbo.EMP ON dbo.UDFEMP.ID = dbo.EMP.ID ON dbo.EVENTS.EMPID = dbo.EMP.IDWHERE (CONVERT(CHAR, dbo.EVENTS.EVENTIME, 101) = CONVERT(CHAR, GETDATE(), 101)) AND (dbo.EVENTS.EMPID <> 0)ORDER BY dbo.EVENTS.EVENTIME
Works great, however, I need to display only one instance of each employee and that instance should be the latest instance found.
So instead of several differant emplyees with several different "IN" and "OUT" times:EvenTime FirstName Last Name Ext ReaderDesc DevID Status
12/28/2006 7:22:01 AM
Rechie
Michael
75766
SE Glass Door
21
IN
12/28/2006 7:10:01 AM
Rechie
Michael
75766
SE Glass Door
21
OUT
12/28/2006 7:01:01 AM
Rechie
Michael
75766
SE Glass Door
21
IN
I just want the latest record for any given employee regardless of wether its status is "IN" or "OUT":
EvenTime FirstName Last Name Ext ReaderDesc DevID Status
12/28/2006 7:22:01 AM
Rechie
Michael
75766
SE Glass Door
21
IN
EVENTS.EMPID would be what I would want to be DISTINCT but I dont know how to use it in the code above and I dont know how Id specify DISTINCT based on latest time found.
Any help/direction would be greatly appreciated.
TIA,Stue
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