Union Of Two Queries?
Jul 9, 2013
why this code wont work? Attempting to join Home Games and Away games data from two queries.
SELECTSoccer_Base.dbo.Teams.TeamName
,Sum(Games) as games
(
SELECTSoccer_Base.dbo.Results.HomeTeam as Team
,COUNT(Soccer_Base.dbo.Results.HomeTeam) as [Games]
,SUM(Case WHEN Soccer_Base.dbo.Results.HomeFT> Soccer_Base.dbo.Results.AwayFT THEN 1 ELSE 0 END) AS [Win]
,SUM(Case WHEN Soccer_Base.dbo.Results.HomeFT= Soccer_Base.dbo.Results.AwayFT THEN 1 ELSE 0 END) AS [Draw]
[code]....
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Aug 19, 2004
In v. 7 I could create union queries and save them as views, which I found very usefull for feeding data to reporting apps etc. In SQL 2000 the view builder balks at this. (The message states "View definition includes no output columns or includes no items in the from clause.") Version 7 used to complain as well but would still save the view (it's just a text SQL statement, after all). Is it still possible to save a union query as a view in SQL 2000? The view I was trying to create this morning is:
SELECT idx, slots_idx, partno, priority
FROM table 1
UNION ALL
SELECT idx, slots_idx, partno, priority
FROM table 2
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May 29, 2008
Three sql statements whose result has to be unioned
SELECT
orders_recipients as Email
FROM vendors
where
vendorID in
(select Vendorid from Restaurants_VendorsAssoc where restaurantid = @resid)
union
SELECT str_eMail as EMail from tbl_contactmanager where (bit_shared =1) and int_restaurantId in (select restaurantid from users where userID in (select UserID2 from Users_Linked where UserID1 = @userid))
union
SELECT str_eMail as EMail from tbl_contactmanager where int_restaurantId = @resid
I am getting an error message as follows
The text, ntext, or image data type cannot be selected as DISTINCT.
pls help
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Jul 20, 2005
Hi I have the following union query that retrieves two counts. Can Isum them up within this query, like wrap this in a sum functionsomehow to get the total count? Or is there a better way to do this.Please help. Using SQL 2000.select count(user_id) from table1UNIONselect count(user_id) from table2
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May 2, 2006
I have a question regarding the use of CTEs.
The query I'm working on involves a UNION of four or five smaller queries, each doing different things. Each query, however, uses the same base set of records. eg:
SELECT ...
FROM Products p
JOIN ... -- many other tables
WHERE p.ProductIsActive = 1
UNION
SELECT ...
FROM Products p
JOIN ... -- a different set of tables
WHERE p.ProductIsActive = 1
UNION ... -- etc etc
So each subquery is working from the same base set of Products rows.
My idea was to pull that out into a CTE. Something like this:
WITH ActiveProducts AS (
SELECT ProductID
FROM Products
WHERE ProductIsActive = 1
)
SELECT ...
FROM ActiveProducts p
JOIN ... -- many other tables
UNION
SELECT ...
FROM ActiveProducts p
JOIN ... -- a different set of tables
UNION ... -- etc etc
So my question is: If I do it this way, will the "ActiveProducts" CTE get executed for every subquery? Or will it just get executed once and used like a view by each subquery?
Or is there a better way to do this that I'm overlooking?
Thanks!
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Jun 25, 2007
hi all,
i am not sure what would be more optimum for speed, i was wondering if one is better than the other.
i have 3 count queries that i can write as
SELECT COUNT(a) FROM ....
SELECT COUNT(b) FROM ....
SELECT COUNT(c) FROM ....
or i can have them in UNION ALL....
which would be faster three seperate queries or one UNION ALL query, any help?
thanks
Aleks
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Feb 18, 2004
I've run into some trouble with an apparently simple UNION query:
SELECT [Date] AS D, C7, NULL AS L72A, NULL AS P02, PAV
FROM [Process Variables Level 1]
UNION
SELECT [Date] as D, NULL AS C7, L72A, P02, NULL AS PAV
FROM [Process Variables Level 2]
ORDER BY D
Records in the 2 tables may or may not have the same Date/Time values.
The product of the above UNION query appears to be using dates from the [Process Variables Level 2] table only. I'm getting values returned for field C7 with Date/Time values from table [Process Variables Level 2]??
Any suggestions would be welcome!!
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May 19, 2008
I following two queries
First query is
SELECT HomeTeam, 1 AS Pld, CASE WHEN HomeScore > AwayScore THEN 1 ELSE 0 END AS Won, CASE WHEN HomeScore = AwayScore THEN 1 ELSE 0 END AS Draw, CASE WHEN HomeScore < AwayScore THEN 1 ELSE 0 END AS Lost, HomeScore AS Scored, AwayScore AS Against, HomeScore - AwayScore AS Agg, CASE WHEN HomeScore > AwayScore THEN 3 ELSE 0 END AS Pts FROM tblFixtures WHERE (CompID = 1) AND (HomeScore IS NOT NULL)
and second query is
SELECT AwayTeam, 1 AS Pld, CASE WHEN HomeScore < AwayScore THEN 1 ELSE 0 END AS Won, CASE WHEN HomeScore = AwayScore THEN 1 ELSE 0 END AS Draw, CASE WHEN HomeScore > AwayScore THEN 1 ELSE 0 END AS Lost, AwayScore AS Scored, HomeScore AS Against, AwayScore - HomeScore AS Agg, CASE WHEN HomeScore < AwayScore THEN 3 WHEN HomeScore = AwayScore THEN 1 ELSE 0 END AS Pts FROM tblFixtures WHERE (CompID = 1) AND (HomeScore IS NOT NULL)
what i need is
I want to create another joint result of two queries which adds up all the totals from each of the other two queries.
Result some thing like
Team, Pld, W, D, L, F, A, Agg, Pts
Kamran Shahid
Sr. Software Engineer(MCSD.Net)
www.netprosys.com
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Nov 4, 2015
I have a quite big SQL query which would be nice to be used using UNION betweern two Select and Where clauses. I noticed that if both Select clauses have Where part between UNION other is ignored. How can I prevent this?
I found a article in StackOverflow saying that if UNION has e.g. two Selects with Where conditions other one will not work. [URL] ....
I have installed SQL Server 2014 and I tried to use tricks mentioned in StackOverflow's article but couldn't succeeded.
Any example how to write two Selects with own Where clauses and those Selects are joined with UNION?
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Jun 12, 2014
SQL Server 2008 r2...
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]
[Code] .....
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Apr 29, 2008
Why the sequence different?
select * from (
select id=3,[name]='Z'
union all select 1,'G'
union all select 2,'R'
union all select 4,'Z'
) as t
order by [name]
--result:
---------
--1 G
--2 R
--4 Z
--3 Z
select * from (
select id=3,[name]='Z'
union select 1,'G'
union all select 2,'R'
union all select 4,'Z'
) as t
order by [name]
--result:
----------
--1 G
--2 R
--3 Z--changed
--4 Z
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Nov 6, 2006
Hi all,
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.
Any idea why this could happen ?
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Jul 20, 2005
HelloWhen I use a PreparedStatement (in jdbc) with the following query:SELECT store_groups_idFROM store_groupsWHERE store_groups_id IS NOT NULLAND type = ?ORDER BY group_nameIt takes a significantly longer time to run (the time it takes forexecuteQuery() to return ) than if I useSELECT store_groups_idFROM store_groupsWHERE store_groups_id IS NOT NULLAND type = 'M'ORDER BY group_nameAfter tracing the problem down, it appears that this is not preciselya java issue, but rather has to do with the underlying cost of runningparameterized queries.When I open up MS Enterprise Manager and type the same query in - italso takes far longer for the parameterized query to run when I usethe version of the query with bind (?) parameters.This only happens when the table in question is large - I am seeingthis behaviour for a table with > 1,000,000 records. It doesn't makesense to me why a parameterized query would run SLOWER than acompletely ad-hoc query when it is supposed to be more efficient.Furthermore, if one were to say that the reason for this behaviour isthat the query is first getting compliled and then the parameters aregetting sent over - thus resulting in a longer percieved executiontime - I would respond that if this were the case then A) it shouldn'tbe any different if it were run against a large or small table B) thisperformance hit should only be experienced the first time that thequery is run C) the performance hit should only be 2x the time for thenon-parameterized query takes to run - the difference in response timeis more like 4-10 times the time it takes for the non parameterizedversion to run!!!Is this a sql-server specific problem or something that would pertainto other databases as well? I there something about the coorect use ofbind parameters that I overall don't understand?If I can provide some hints in Java then this would be great..otherwise, do I need to turn/off certain settings on the databaseitself?If nothing else works, I will have to either find or write a wrapperaround the Statement object that acts like a prepared statement but inreality sends regular Statement objects to the JDBC driver. I wouldthen put some inteligence in the database layer for deciding whetherto use this special -hack- object or a regular prepared statementdepending on the expected overhead. (Obviously this logic would onlybe written in once place.. etc.. IoC.. ) HOWEVER, I would desperatelywant to avoid doing this.Please help :)
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Jan 23, 2001
Hi,
I am using DTS to import data where the query involves the UNION .
Select a,z,y from x
UNION
select b,z,y from y;
Only the columns Z,y appearing in the output. Is there any known problem with UNION in DTS?
Thanks
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Dec 3, 2004
Help me again . :) ..
Query :
Select 1 AS ColA, ColB,ColC
FROM Table1
Where ColA = 1
Union
Select 2 AS ColA, ColB,ColC
FROM Table1
Where ColA = 2
Expected Result.
ColA ColB ColC
1 Apple Sweet
1 Wine Alcohol
2 Home Nice
2 Travel Fun
But gives
ColA ColB ColC
1 Apple Sweet
1 Wine Alcohol
1 Home Nice
1 Travel Fun
any suggestions .please reply.
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Mar 23, 2007
Could someone explain me Union function in MDX? How is different from the T-SQL Union?
My need is urgent.
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Jul 12, 2004
i have a table with country names
table name:country
column name:country
it is populated with:
UK
USA
africa
asia
japan
i want a query which gives the foll output
USA
UK
africa
asia
japan
(i.e) USA and UK must be on the top 2 rows
while the rest of the countries should come below these 2 and sorted in the ascending order.
if it is possible with any other query also it is ok
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Jul 14, 2004
Hi
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.
Thank you,
Inon.
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Nov 8, 2004
Hi!
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)
GROUP BY
v_gs_supportedpackages.ProdID0,
v_RA_System_SMSInstalledSites.SMS_Installed_Sites0 )
UNION
(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'
GROUP BY
v_gs_supportedpackages.ProdID0,
v_RA_System_SMSInstalledSites.SMS_Installed_Sites0 )
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Dec 15, 2006
Just a pet peeve....
From BOL:
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?
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Mar 18, 2004
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
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Apr 22, 2008
Hi All,
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!
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Jun 20, 2008
Hi folks,
I have a question about the performance of the following query:
(SELECT name, lastName
from Data
where salary >= 2200
)
union
(SELECT name, lastName
from Data
where salary >= 2200
) union
(SELECT name, lastName
from Data
where salary >= 2200
)
How that query works? Is it slow for a larger data? Does it do 3 queries and then combine them?
Thank you.
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Feb 11, 2008
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
thanx in advance
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Jul 23, 2005
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%'
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Jul 20, 2005
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
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Aug 20, 2007
Why if run this script, Always Incorrect syntax near the keyword 'group'.
somebody helpme, how to sum the union script
SELECT NUMMSTR3, sum(qty), sum (AP)
FROM (
SELECT c.NUMMSTR3, count(*) qty,sum(a.DEBIT) DEBIT,sum(a.CRDT) CRDT,Sum(a.CRDT - a.DEBIT) AP
FROM MSTR1 a,MSTR2 b,MSTR3 c
where a.IDMSTR1 = b.IDMSTR1
and a.KDMSTR1 = c.KDMSTR3
and c.NUMMSTR3 = '21010100'
and year(b.TRXDATE) <= '2007'
group by c.NUMMSTR3
UNION ALL
SELECT c.NUMMSTR3, count(*) jml,sum(a.DEBIT) DEBIT,sum(a.CRDT) CRDT,Sum(a.CRDT - a.DEBIT) AP
FROM HISTR4 d,MSTR3 c
where d.KDHISTR4 = c.KDMSTR3
and c.NUMMSTR3 = '21010100'
group by c.NUMMSTR3
) group by NUMMSTR3
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Jul 5, 2006
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?
select * from
(select * from TEST1
EXCEPT
select * from TEST2) AS A
UNION
select * from (select * from TEST2
EXCEPT
select * from TEST1) AS B
select * from TEST1
EXCEPT
select * from TEST2
UNION
select * from TEST2
EXCEPT
select * from TEST1
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Sep 3, 2006
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?
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Apr 22, 2008
hi need help
i have tow tables
no primary key
evry table only one ROW
tb1
fld1 fld2 fld3 fld4 fld5 fld6
---------------------------------------
2 4 5 6 7 8
tb2
fld1 fld2 fld3 fld4 fld5 fld6
---------------------------------------
6 1 2 4 1 9
i need to summing the tow table like this (evry table only one ROW)
view_SUM (summing)
fld1 fld2 fld3 fld4 fld5 fld6
---------------------------------------
8 5 7 10 8 17
how to do
select * from tb1
union all --------------SUM ?
select * from tb2
TNX
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Feb 27, 2008
Hello all can anybody help me out with this one?
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
WHERE a.AppID = @AppID
AND a.ResID = @ResID
END
ELSE
BEGIN
PRINT 2
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
WHERE a.AppID = @AppID
AND a.ResID = @ResID
AND d.Custom = @Access
END
END
ELSE
BEGIN
PRINT 3
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
WHERE d.Username = @Username
AND a.AppID = @AppID
AND a.ResID = @ResID
AND d.Custom = @Access
END
UNION
PRINT 4
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
WHERE d.Username = @Username
AND a.AppID = @AppID
AND a.ResID = @ResID
AND d.Custom = @Access
AND d.Region = @Region
END
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Jun 1, 2006
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 )
Thanks in advance,
Long
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Dec 28, 2007
Hi All,
Pls look at the following:
http://blogs.conchango.com/jamiethomson/archive/2006/07/10/SSIS_3A00_-MULTICAST-bug.aspx
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?
Many thanks,
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