Dear All,
please let me know which combination is better one.
here in our application, there is union as well as distinct.
now i'm replacing the the union and distinct with the suggested replacement by you all.
1) using union and removing distinct.
2) using distinct and union all.
now my doubt is ..is there any other possibility for these?
actually union is also not suggested generally.
please help me in this regard.
Vinod
Even you learn 1%, Learn it with 100% confidence.
That's about it (subject line), I have used UNION and now I want to select DISCTINCT from that resultset Code:
SELECT c1 FROM t1 UNION SELECT c2 FROM t2
That code gives me half of what I want. I would like a list of the unique results. I know I could use a TempTable and do the DISTINCT on that, but I'm hoping there is a more elegant way.
EDIT: The following code gives me the result I want: Code:
when i try to run this following query, i get an error message:
Microsoft OLE DB Provider for SQL Server error '80040e14'
The ntext data type cannot be selected as DISTINCT because it is not comparable.
/resultados_termo.asp, line 176
the query:
select * from view_veiculos where ativo='1' and ( nome_marc like '%fiat%' or nome_mod like '%fiat%' or estado like '%fiat%' or cidade like '%fiat%' or ano like '%fiat%' ) and ( nome_marc like '%brava%' or nome_mod like '%brava%' or estado like '%brava%' or cidade like '%brava%' or ano like '%brava%' ) and ( nome_marc like '%2004%' or nome_mod like '%2004%' or estado like '%2004%' or cidade like '%2004%' or ano like '%2004%' ) union select * from view_veiculos where ativo='1' and ( nome_marc like '%fiat%' or nome_mod like '%fiat%' or estado like '%fiat%' or cidade like '%fiat%' or ano like '%fiat%' ) and ( nome_marc like '%brava%' or nome_mod like '%brava%' or estado like '%brava%' or cidade like '%brava%' or ano like '%brava%' ) union select * from view_veiculos where ativo='1' and ( nome_marc like '%fiat%' or nome_mod like '%fiat%' or estado like '%fiat%' or cidade like '%fiat%' or ano like '%fiat%' ) union select * from view_veiculos where ativo='1' and ( nome_marc like '%brava%' or nome_mod like '%brava%' or estado like '%brava%' or cidade like '%brava%' or ano like '%brava%' ) and ( nome_marc like '%2004%' or nome_mod like '%2004%' or estado like '%2004%' or cidade like '%2004%' or ano like '%2004%' ) union select * from view_veiculos where ativo='1' and ( nome_marc like '%brava%' or nome_mod like '%brava%' or estado like '%brava%' or cidade like '%brava%' or ano like '%brava%' ) union select * from view_veiculos where ativo='1' and ( nome_marc like '%2004%' or nome_mod like '%2004%' or estado like '%2004%' or cidade like '%2004%' or ano like '%2004%' )
when i use UNION ALL, i get repeated rows. i need the select distinct on it.
I've got a union query (below)and it returns rows that have duplivate itemno's, descrip's, imsrp3's, and imsrp4's, while the remaining columns are not duplicate for the same row. An Excel report uses this query to populate itself and for a more visually appealing look, I'd like to skip the duplicated columns in the display. I'm not sure how to use the Distinct or Group by in this case, since technically I'm dealing with two separate queries, neither one separately returning any duplicate rows. thanks for any suggestions...
~ select itemno,descrip,imsrp3,imsrp4,qoh,border,wadcto,wad oco, watrdj,wapddj,wauorg,wauser from nowo where nowo.wasrst <='40' union select itemno,descrip,imsrp3,imsrp4,qoh,border,wadcto,wad oco, watrdj,wapddj,wauorg,wauser from nopo where nopo.wasrst <='499'
I have a query which does 3 selects and Union ALLs each to get a final result set. The performance is unacceptable - takes around a minute to run. If I remove the Union All so that the result sets are returned individually it returns all 3 from the query in around 6 seconds (acceptable performance).
Any way to join the result sets together without using Union All.
Each result set has exactly the same structure returned...
Query below [for reference]...
WITH cte AS ( SELECT A.[PoleID], ISNULL(B.[IsSpanClear], 0) AS [IsSpanClear], B.[SurveyDate], ROW_NUMBER() OVER (PARTITION BY A.[PoleID] ORDER BY B.[SurveyDate] DESC) rownum FROM[UT_Pole] A LEFT OUTER JOIN [UT_Surveyed_Pole] B ON A.[PoleID] = B.[PoleID]
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.
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
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.
I have a Union All transformation with 4 inputs and one output when I debug the package the sum of the different inputs rows does not match the row count in output.
I don't understand, I've used the Union All transform many times and I've never seen this.
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 :)
I just found out that I can do an ORDER BY clause on entire records set retrieve from a query that combines several sub queries with UNION from different tables with the same structure... so this is great to know, BTW, is this a new feature of MSSQL 2K ? I don't recall being able to do this in MSSQL 7 or 6.5.
Anyway, the main question is, can I use the TOP command in a query that has UNION in it?? Meaning, there are two queries (or more) from two tables (or more) and I need to fetch the top 10 records by an ORDER BY clause from the combined results, when I try to add each sub query TOP 10 the results are not correct at all, when I try to add TOP 10 only to the first query hoping that the analyzer will refer to the whole query, it's selecting TOP 10 from the first query and combines it with all the records from the others...
So, can anyone help? I hope the problem is understood.
I am trying to join to different queries into one table ( I accomplished this)
Next I need to ADD or SUM the results of 2 rows to form a single row.
As you can see in the query below, I run 2 separate queries and use ' ' as a place holder for the UNION to work. I get duplicate rows, one with a value and the other with a '0'. I want to have a single row.
Any help is greatly appreciated!
(SELECT v_gs_supportedpackages.ProdID0 as 'Product Name', v_RA_System_SMSInstalledSites.SMS_Installed_Sites0 as 'Site', Count(ProdID0) as '# copies installed', '' as '# legitimate copies installed'
FROM v_R_System SYS, v_GS_Workstation_Status HWSCAN, v_gs_SupportedPackages inner join v_RA_System_SMSInstalledSites on v_RA_System_SMSInstalledSites.ResourceID = v_gs_SupportedPackages.ResourceID
WHERE SYS.ResourceId = HWSCAN.ResourceId AND SYS.ResourceId = v_gs_SupportedPackages.ResourceId AND v_gs_supportedpackages.ProdID0 = substring('MS Security Patch MS04-030,031,032,034,037,038',1,60)
(SELECT v_gs_supportedpackages.ProdID0 as 'Product Name', v_RA_System_SMSInstalledSites.SMS_Installed_Sites0 as 'Site', '' as '# copies installed', Count(ProdID0) as '# legitimate copies installed'
FROM v_R_System SYS, v_GS_Workstation_Status HWSCAN, v_gs_SupportedPackages inner join v_RA_System_SMSInstalledSites on v_RA_System_SMSInstalledSites.ResourceID = v_gs_SupportedPackages.ResourceID
WHERE SYS.ResourceId = HWSCAN.ResourceId AND SYS.ResourceId = v_gs_SupportedPackages.ResourceId AND v_gs_supportedpackages.ProdID0 = substring('MS Security Patch MS04-030,031,032,034,037,038',1,60) AND DateDiff(Day,HWSCAN.LastHWScan,GetDate()) <= '20'
By default, the UNION operator removes duplicate rows from the result set. If you use ALL, all rows are included in the results and duplicates are not removed.
Why is it assumed that one would want the duplicates removed by default? Isn't that what SELECT DISINCT is for?
I was wondering if there is a way I could write this query as one query using union instead of 3 different queries?
SELECT columna as column,count(ID) as Applications FROM tablea GROUP columna
SELECT columna as column2, count(ID) as Approved FROM tablesa where substring(APP_DATE,1,6) >'200304' and in 'Approved') GROUP BY columna
SELECT columna as column3, count(ID) as Booked, sum(AMT) as amt, sum(AMT)/count(ID) as lavg from tablea where substring(APP_DATE,1,6) >'200304' and STATUS in('book') group by columna
I am doing a UNION of 8 views(with 3 million rows in each view approx). I am sure that there is NO DUPLICATE data between the views. SO specifying a UNION ALL would be better than specifying a UNION in this case?
Thanks!
Prakash.P The secret to creativity is knowing how to hide your sources!
Hi All I want to do the following report and I want the 2nd select statement to appear at the bottom to display the totals
SELECT Item,B.Mar, B.Apr, B.May, B.Jun,B.Jul, B.Aug, B.Sep, B.Oct, B.Nov, B.Dec, B.Jan FROM fncWineSales(2007) AS A UNION SELECT 'Total',SUM(B.Mar), SUM(B.Apr), SUM(B.May), SUM(B.Jun),SUM(B.Jul), SUM(B.Aug), SUM(B.Sep), SUM(B.Oct), SUM(B.Nov), SUM(B.Dec), SUM(B.Jan) FROM dbo.fncWineSales (2007) AS B
Hello,Bear with me (not had much sleep last night), pls see following ddl,dml and comments for what is desired, I don't have a problem gettingdesired result(s), however, I'm wondering if there's another (better)solution than UNION operator in this case. TIA.-- DDLCREATE TABLE #TMP (col varchar(10));-- DMLinsert into #TMPvalues('A124');insert into #TMPvalues('A127');insert into #TMPvalues('A12728');insert into #TMPvalues('A17282');insert into #TMPvalues('BCD');insert into #TMPvalues('BCD');insert into #TMPvalues('CDSS');insert into #TMPvalues('DS');insert into #TMPvalues('YUUEI');-- goal: get one row with col data starting with 'A' and distict rowsfor the restselect top 1 colfrom #TMPwhere col LIKE 'A%'UNIONselect distinct colfrom #TMPwhere col NOT LIKE 'A%'
Hi,I can return results of a union easily enough, but I wish to sum the recordsfirst. Is this possible in a single SQL statement? Or do I have to useseparate ones to sum up after the union?Cheers,Chris
Of the two queries below, the first returns the desired result, the union of the select-except statments. Why doesn't the second query return the same result as the first? Is this a mistake/bug on Microsofts side?
When any changes have been made to the underlying table structure, the Union all reports error and does not automatically correct the error. I then have to delete it and recreate it. Is this a bug?
These are the errors that I am getting. The 2nd error only comes up when I try to put in "UNION". Any help would be very much appreciated. Thank you!
Msg 156, Level 15, State 1, Procedure searchUser, Line 79 Incorrect syntax near the keyword 'UNION'.
Msg 102, Level 15, State 1, Procedure searchUser, Line 100 Incorrect syntax near 'END'.
Code Snippet
set ANSI_NULLS ON set QUOTED_IDENTIFIER ON GO ALTER PROCEDURE [dbo].[searchUser] -- Add the parameters for the stored procedure here
@Username VARCHAR(25), @AppID INT, @ResID INT, @Access VARCHAR(5), @Region INT AS BEGIN
IF @Username IS NULL BEGIN
IF @Access IS NULL BEGIN PRINT 1 SELECT a.XID, a.AppID, a.ResID, b.AppDescription, c.ResDescription, d.Username, d.Custom, d.Region
FROM [Application] a INNER JOIN ApplicationName b ON a.AppID = b.AppID LEFT JOIN ResTable c ON a.ResID = c.ResID LEFT JOIN AppResCustom d ON a.XID = d.XID
FROM [Application] a INNER JOIN ApplicationName b ON a.AppID = b.AppID LEFT JOIN ResTable c ON a.ResID = c.ResID LEFT JOIN AppResCustom d ON a.XID = d.XID
WHERE a.AppID = @AppID AND a.ResID = @ResID AND d.Custom = @Access END
FROM [Application] a INNER JOIN ApplicationName b ON a.AppID = b.AppID LEFT JOIN ResTable c ON a.ResID = c.ResID LEFT JOIN AppResCustom d ON a.XID = d.XID
WHERE d.Username = @Username AND a.AppID = @AppID AND a.ResID = @ResID AND d.Custom = @Access
FROM [Application] a INNER JOIN ApplicationName b ON a.AppID = b.AppID LEFT JOIN ResTable c ON a.ResID = c.ResID LEFT JOIN AppResCustom d ON a.XID = d.XID
WHERE d.Username = @Username AND a.AppID = @AppID AND a.ResID = @ResID AND d.Custom = @Access AND d.Region = @Region
I want to know the top 5 patterns in sales, the report will like this:
Month Top1 Top2 Top3 Top4 Top5
2005-06 A1 A2 A3 A4 A5
2005-07 B1 B2 B3 B4 B5
2005-08 C1 C2 C3 C4 C5
--- --- ---
What I did is:
declare @StartDate and @EndDate, set @StartDate and @EndDate
Delete AAAA (AAAA is a table)
Begin
While (@EndDate<somedate)
Insert into AAAA(sales, Month, Pattern)
Select TOP 5 sales, Month,pattern from sometables order by sales DESC
increase @StartDate and @EndDate by a month
End
Select * from AAAA
It works fine. My question is: Can I get rid of table AAAA? Is there a better way that just use Top 5 combine with something say Union? ( I tried Union and failed )
The first comment, by 'zpeceno', exactly describes a problem that I have hit upon. However despite looking thro the list of issues resolved in SP1, I've found no mention of it. Any chance I could get some offical comment re. the bug described, when it was(/has it been?) officially acknowledged, and what service pack (if any) resolves it?
hi! What do you think is the error in this sql squery? What I'm trying to do is to get all the records having dates from 2007/01/21 to 2007/02/20 where YearFr =2007 MonthFr =01 DayFrom =21 YearTo =2007 MonthTo =02 DayTo =20 By the way, this is part of my code: '||||| Open connection MyConn.Open()
'||||| Create Command Object for filtering time ins and time outs base from Year and Month Dim odbcCommand_date As OdbcCommand = New OdbcCommand("Select TT0001.Year, TT0001.Month,TT0001.Day, TT0001.in_hh, TT0001.in_mi,TT0001.out_hh,TT0001.out_mi,TM1001.kbn_name from TT0001 inner join TM1001 on TT0001.kintai_status = TM1001.kbn where TT0001.syain_id =? AND TT0001.Year = ? and TT0001.Month = ? and TT0001.Day = ? or TT0001.Day > ? ORDER BY TT0001.Year,TT0001.Month,TT0001.Day UNION Select TT0001.Year, TT0001.Month,TT0001.Day, TT0001.in_hh, TT0001.in_mi,TT0001.out_hh,TT0001.out_mi,TM1001.kbn_name from TT0001 inner join TM1001 on TT0001.kintai_status = TM1001.kbn where TT0001.syain_id =? AND TT0001.Year = ? and TT0001.Month = ? and TT0001.Day = ? or TT0001.Day < ? ORDER BY TT0001.Year,TT0001.Month,TT0001.Day", MyConn)
