Aggregate Function For Select Statement Result?
Oct 19, 2004
Ok, for a bunch of cleanup that i am doing with one of my Portal Modules, i need to do some pretty wikid conversions from multi-view/stored procedure calls and put them in less spid calls.
currently, we have a web graph that is hitting the sql server some 60+ times with data queries, and lets just say, thats not good. so far i have every bit of data that i need in a pretty complex sql call, now there is only one thing left to do.
Problem:
i need to call an aggregate count on the results of another aggregate function (sum) with a group by.
*ex: select count(select sum(Sales) from ActSales Group by SalesDate) from ActSales
This is seriously hurting me, because from everything i have tried, i keep getting an error at the second select in that statement. is there anotherway without using views or stored procedures to do this? i want to imbed this into my mega sql statement so i am only hitting the server up with one spid.
thanks,
Tom Anderson
Software Engineer
Custom Business Solutions
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May 26, 2015
I tend to learn from example and am used to powershell. If for instance in powershell I wanted to get-something and store it in a variable I could, then use it again in the same code. In this example of a table order items where there are order_num, quantity and item_prices how could I declare ordertotal as a variable then instead of repeating it again at "having sum", instead use the variable in its place?
Any example of such a use of a variable that still lets me select the order_num, ordertotal and group them etc? I hope to simply replace in the "having section" the agg function with "ordertotal" which bombs out.
select order_num, sum(quantity*item_price) as ordertotal
from orderitems
group by order_num
having sum(quantity*item_price) >=50
order by ordertotal;
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Jan 5, 2008
I've put a SelectCommand with an aggregate function calculation and AS into a SqlDataSource and was able to display the result of the calculation in an asp:BoundField in a GridView; there was an expression after the AS (not sure what to call it) and that expression apparently took the calculation to the GridView (so far so good).
If I write the same SELECT statement in a C# code behind file, is there a way to take the aggregate function calculation and put it into a double variable? Possibly, is the expression after an AS something
that I can manipulate into a double variable? My end goal is to insert the result of the calculation into a database.
What I have so far with the SelectCommand, the SqlDataSource and the GridView is shown below in case this helps:
<asp:GridView class="gridview" ID="GridView2" runat="server" AutoGenerateColumns="False" DataSourceID="lbsgalDataSource">
<Columns>
<asp:BoundField DataField="Formulation" HeaderText="Formulation" SortExpression="Formulation" />
<asp:BoundField DataField="lbs" HeaderText="lbs" SortExpression="lbs" />
<asp:BoundField DataField="gal" HeaderText="gallons" SortExpression="gal" />
<asp:BoundField DataField="density" HeaderText="density" SortExpression="density" />
</Columns>
</asp:GridView>
<asp:SqlDataSource ID="lbsgalDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
SelectCommand="SELECT
a.Formulation,
SUM (a.lbs) AS lbs,
SUM ((a.lbs)/(b.density)) AS gal,
( ( SUM (a.lbs) ) / ( SUM ((a.lbs)/(b.density)) ) ) AS density
FROM Formulations a INNER JOIN Materials b
ON a.Material=b.Material WHERE Formulation=@Formulation GROUP BY Formulation">
<selectparameters>
<asp:controlparameter controlid="DropDownList1" name="Formulation" propertyname="SelectedValue" type="String" />
</selectparameters>
</asp:SqlDataSource>
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May 6, 2008
Hello,
I want to count how many occurences their is of each date that is returned by my sql query. I am not sure how to add the aggregate function code to my query I know how to just tell it to count all records, but not to tell it to count for each group of dates. For example I want it to count how many times 5/6/08 shows up in the returned results and so on. Here is my query I currently have. Any help would be greatly appreciated! Thanks!
The enc_timestamp is my date field.
Select a.template_id, a.enc_timestamp, a.created_by, b.first_name, b.last_name, b.last_name +', ' + b.first_name as fullname
From template_audit a
Join user_mstr b on a.created_by = b.user_id
GROUP BY a.template_id, a.enc_timestamp, a.created_by,b.first_name, b.last_name
Having a.template_id IN (543,3172,3031,3030,3134,3135,3171,1401,1937,3985,3173,2320,57,849,1775,1400,1747,3695,3957,3750,3954,3027,3241)
ORDER BY a.enc_timestamp, b.first_name, b.last_name;
Thanks in advance,
Sherri
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Apr 11, 2008
I have a table like this below:
<PRE>
Page Book Release MaxPages
1234ABC A1
1234ABC B2
9999ABC D1
9999ABC E2
7777ABC A1
7777ABC C2
</PRE>
I want to select every page of the book, but only the highest release of that page.
Something Like:
Select Book, Page, Max(Release), MaxPages
From Table
But I can't quiet figure it out.
Thanks for any help.
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Apr 16, 2008
Can you provide me a way to avoid using the aggregate function Max in the following select statement?
SELECT a.clmssn,
a.cossn,
Max(b.clm_seq_num) as clm_seq_num,
Max(c.chrs_seq_num) as chrs_seq_num,
Max(b.clm_dcn_dt) as clm_dcn_dt
FROM Claim a
LEFT OUTER JOIN clmdcn b
ON a.clmssn = b.clmssn
AND a.cossn = b.cossn
AND a.clm_seq_num = b.clm_seq_num
INNER JOIN clmchrs c
ON a.clmssn = c.clmssn
AND a.cossn = c.cossn
AND a.clm_seq_num = c.clm_seq_num
Group By a.clmssn, a.cossn
Order By a.clmssn, a.cossn
I want to join another table, Juris, to get the Crnt_Office column but the aggregate function Max forces me to include Crnt_Office it in the group by clause. This results in returning all rows containing unique office codes. I only want the office code from the row with the highest Clm_Seq_Num and Juris_Seq_Num.
Juris
Clmssn = key
Cossn = key
Clm_seq_num = key
Juris_seq_num = key
Crnt_Office
The following returns incorrect results:
SELECT a.clmssn,
a.cossn,
Max(a.clm_seq_num) as clm_seq_num,
Max(c.chrs_seq_num) as chrs_seq_num,
Max(d.juris_seq_num) as juris_seq_num,
Max(b.clm_dcn_dt) as clm_dcn_dt,
d.crnt_office
FROM mt16ic_Claim a
LEFT OUTER JOIN mt16ic_clmdcn b
ON a.clmssn = b.clmssn
AND a.cossn = b.cossn
AND a.clm_seq_num = b.clm_seq_num
LEFT OUTER JOIN mt16ic_juris d
ON a.clmssn = d.clmssn
AND a.cossn = d.cossn
AND a.clm_seq_num = d.clm_seq_num
INNER JOIN mt16ic_clmchrs c
ON a.clmssn = c.clmssn
AND a.cossn = c.cossn
AND a.clm_seq_num = c.clm_seq_num
Group By a.clmssn, a.cossn, d.crnt_office
Order By a.clmssn, a.cossn
If more information is needed, I have data examples but could not include them due to character size limit. Thank you for your help.
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Aug 14, 2006
Hi,
Could some one help me how to do
insert into test2(id,name) values ((select max(id) from test1),'user1')
in MS SQL Server
its throwing "Subqueries are not allowed in this context. Only sc
alar expressions are allowed" Exception. Help is appreciated.
Thanks,
Murali
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Oct 24, 2006
Hi all,
I have a problem with an SQL-query and I don't know what the best solution would be to solve the problem.
/*INSERT INTO WERKS (
WERKS.Z8601,
WERKS.Z8602,
WERKS.Z8603,
WERKS.Z8604,
WERKS.Z8605,
WERKS.Z8606,
WERKS.Z8607,
WERKS.Z8608,
WERKS.Z8609,
WERKS.Z8610,
WERKS.Z8611,
WERKS.Z8621,
WERKS.Z8622,
WERKS.Z8623,
WERKS.Z8624,
WERKS.Z8625,
WERKS.Z8626,
WERKS.Z8627,
WERKS.Z8628,
WERKS.Z8629,
WERKS.Z8630,
WERKS.Z8631,
WERKS.Z8632) */
SELECT
0,
Stati.z4414,
Stati.z4402,
'',
'',
'',
Isnull((select Srtas.z02 from Srtas where Srtas.z00 = Stati.z4400 and Srtas.z01 = Stati.z4414), ''),
Isnull((select Klant.z0102 From Klant where Klant.z0101 = Stati.z4402), ''),
'',
'',
'',
sum (Case when Stati.z4407 = 200609 then Stati.z4409 Else 0 End),
sum (Case when Stati.z4407 = 200609 then Stati.z4410 Else 0 End),
sum (Case when Stati.z4407 = 200509 then Stati.z4409 Else 0 End),
sum (Case when Stati.z4407 = 200509 then Stati.z4410 Else 0 End),
sum (Case when Stati.z4407 Between 200510 and 200609 then Stati.z4409 Else 0 End),
sum (Case when Stati.z4407 Between 200510 and 200609 then Stati.z4410 Else 0 End),
sum (Case when Stati.z4407 Between 200410 and 200509 then Stati.z4409 Else 0 End),
sum (Case when Stati.z4407 Between 200410 and 200509 then Stati.z4410 Else 0 End),
sum (Case when Stati.z4407 = 200609 then Stati.z4411 Else 0 End),
sum (Case when Stati.z4407 = 200509 then Stati.z4411 Else 0 End),
sum (Case when Stati.z4407 Between 200510 and 200609 then Stati.z4411 Else 0 End),
sum (Case when Stati.z4407 Between 200410 and 200509 then Stati.z4411 Else 0 End)
FROM STATI
WHERE
(Stati.z4402 Between '40000' AND 'ZONE6') AND
(Stati.z4414 Between '2005028' AND '2005028') AND
(Stati.z4417 = 'A')
GROUP BY Stati.z4414, Stati.z4402
I get the following error:
Msg 8120, Level 16, State 1, Line 25
Column 'STATI.Z4400' is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause.
I know it has something todo with the select on the table SRTAS, but what's the best way to solve this problem without the chance of getting a wrong result.
The SELECT on SRTAS is to get the "description" of STATI.Z4414 who's stored in the table SRTAS.
I only want to group on the fields that will be inserted in WERKS.Z8602, WERKS.Z8603, WERKS.Z8604, WERKS.Z8605, WERKS.Z8606. So adding STATI.Z4400 to the GROUP BY would give me wrong results?
This query is dynamicly generated from within my program from what the user selected.
Also, if there are better ways to write the query, I would be happy to get some hints and tips, but if possible without stored procedures.
Thanks in advance!
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Apr 3, 2015
I have a specific variation on the standard 'Column Invalid' question: I have this query that works fine:
SELECT vd.Question ,
csq.Q# ,
csq.Q_Sort ,
csq.Q_SubSort ,
AVG(CAST(vd.Response AS FLOAT)) AS AvgC ,
vd.RType
[Code] ....
When I add this second average column like this:
SELECT vd.Question ,
csq.Q# ,
csq.Q_Sort ,
csq.Q_SubSort ,
AVG(CAST(vd.Response AS FLOAT)) AS AvgC ,
[Code] ....
I get the error: Column 'dbo.vwData.Response' is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause.
Clearly things are in the right place before the change, so I can only assume that the OVER clause is my problem. Is this just not possible?
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Jan 21, 2008
Hello all:
How can I return the result of a SELECT statement from a stored procedure (function)?
CREATE FUNCTION returnAllAuthors ()
RETURNS (what do i put here??)
BEGIN
// Is this right??
RETURN SELECT * FROM authors
END
Thanks!
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Mar 14, 2008
Hi, I execute a select statement
SELECT COUNT(*) FROM TABLEA WHERE DTRECORD < '1-MARCH-2008'
every times I execute it I get different result.
1st result : 17036986
2nd result : 17037903
3rd result : 17038309
Any idea??? There is no any inserting on TABLEA, so it should not has changes. Is that because of statistic is still updating?? I don't have much knowledge on this so I cannot sure the cause of the problem. Please advise.
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Oct 19, 2007
Can any1 tell me why i am getting an error
SELECT DISTINCT
--p.voucher,
--p.amount,
p.siteID,
b.siteID,
SUM((round(b.total,2,2)) - SUM(round(p.amount,2,2))) AS OutStandingBalance,
SUM((round(b.total,2,2)) - SUM(round(p.amount,2,2))) AS CashCheque,
SUM((round(b.total,2,2)) - SUM(round(p.amount,2,2))) AS Vouchers
FROM
BillingTotal b,
Payment p
--WHERE
-- s.sitename=@cmb1
--AND p.siteid = s.siteid
-- p.voucher = 0
-- p.voucher = 1
GROUP BY p.siteID,b.siteID
Msg 130, Level 15, State 1, Line 1
Cannot perform an aggregate function on an expression containing an aggregate or a subquery.
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Jun 11, 2008
Hi,I have this code following my signature to SELECT a number.I don't know what am I missing, because it always return the number which the variable banID was initialized (32 in this case).The strangest thing is that if I run the statement inside MS SQL SERVER, I get the right result.Any help would be appreciated.Warm Regards,Mário Gamito--// Get inserted user IDint banID = 32 ;SqlConnection myConn = new SqlConnection("Data Source=192.168.1.6; Initial Catalog=db1; User=sa; Password=secret");try{myConn.Open()}catch (Exception e){Console.WriteLine(e.ToString());}try{SqlCommand myCommand = new SqlCommand("SELECT MAX(PublisherID) FROM table1", myConn);banID = Convert.ToInt32(myCommand.ExecuteScalar);}catch (Exception e){ Console.WriteLine(e.ToString());}Response.Write(banID);
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Jun 6, 2012
I want to export the data from a database and place it on a csv file to be imported to another database. However, I want some columns from the selected data (result of select statement) to be encrypted. What should I do? Is this possible? How do you decrypt the data during import?
The original data is from an MS SQL database to be transferred to a PostgreSQL database.
MS SQL ----- CSV (some columns are encrypted) ---- PostgreSQL (all columns decrypted)
I posted the same question on the mysql category. I wanted to delete it since I just realized today that I posted it on the wrong category but seems like there is no way I can delete.
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Jul 11, 2007
Hello
How can i say this I would like my if statement to say: if what the client types in Form1.Cust is = to the Select Statement which should be running off form1.Cust then show the Cust otherwise INVALID CUSTOMER NUMBER .here is my if statement.
<% If Request.Form("Form1.Cust") = Request.QueryString("RsCustNo") Then%> <%=Request.Params("Cust") %> <% Else %> <p>INVALID CUSTOMER NUMBER</p> <% End If%>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:RsCustNo %>"
ProviderName="<%$ ConnectionStrings:RsCustNo.ProviderName %>" SelectCommand="SELECT [CU_CUST_NUM] FROM [CUSTOMER] WHERE ([CU_CUST_NUM] = ?)">
<SelectParameters>
<asp:FormParameter FormField="Cust" Name="CU_CUST_NUM" Type="String" />
</SelectParameters>
</asp:SqlDataSource>any help would be appreciated
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Jun 12, 2014
I want to update records in 1 table with the result of a select statement.
The table is called 'MPR_Portfolio_Transactions' and contains the following fields:
[PTR_SEQUENCE]
,[PTR_DATE]
,[PTR_SYMBOL]
,[PTR_QUANTITY]
,[PTR_ACUM]
And the select statement is like this:
SELECT SUM(PTR_QUANTITY) OVER (PARTITION BY PTR_SYMBOL ORDER BY PTR_DATE, PTR_SEQUENCE) AS 'ACUMULADO'
FROM MPR_portfolio_transactions
ORDER BY PTR_SYMBOL, PTR_DATE, PTR_SEQUENCE
This select statement generates one line per existing record. And what I would like to do next is to UPDATE the field 'PTR_ACUM' with the result of the 'ACUMULADO'
the key is PTR_SEQUENCE
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Nov 6, 2007
I'm sure this is a very simple piece of code, but I'm having trouble understanding how to do this.
First I have a database with three columns
ContactID
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Apr 6, 2007
I have a table which has a field called Org. This field can be segmented from one to five segments based on a user defined delimiter and user defined segment length. Another table contains one row of data with the user defined delimiter and the start and length of each segment. e.g.
Table 1
Org
aaa:aaa:aa
aaa:aaa:ab
aaa:aab:aa
Table 2
delim
Seg1Start
Seg1Len
Seg2Start
Seg2Len
Seg3Start
Seg3Len
:
1
3
5
3
9
2
My objective is to use SSIS and derive three columns from the one column in Table 1 based on the positions defined in Table 2. Table 2 is a single row table. I thought perhaps I could use the substring function and nest the select statement in place of the parameters in the derived column data flow. I don't seem to be able to get this to work.
Any ideas? Can this be done in SSIS?
I'd really appreciate any insight that anyone might have.
Regards,
Bill
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Jan 21, 2004
CREATE FUNCTION GetPerson (@SSN integer, @NamePrefix varchar(10), @FirstName varchar(30), @MiddleName varchar(30), @LastName varchar(40), @NameSuffix varchar(10), @HomeID integer, @MailID integer, @DOB timestamp, @Gender varchar(1), @MaritalStatus varchar(1))
RETURNS integer as
BEGIN
DECLARE @PersonID integer
set @PersonID=0
if @SSN>0 and @SSN<999999999
Begin
select Min(lngPersonID) AS PersonID from Persons where lngSSN=@SSN
End
ELSE
if @SSN is not null
BEGIN
IF @LastName is not null and @FirstName is not null and @MiddleName is not null and @NamePrefix is not null and @NameSuffix is not null
Begin
select MIN(lngPersonID) AS PersonID from Persons
where strNamePrefix= @NamePrefix and strFirstName=@FirstName
and strMiddleName=@MiddleName and strLastName=@LastName
and strNameSuffix=@NameSuffix and lngSSN=@SSN
End
ELSE
if @LastName is not null
BEGIN
select MIN(lngPersonID) as PersonID from Persons
where strLastName=@LastName
and lngSSN = @SSN
END
END
return (@personID)
END
I m having problem with the "Select" function
the error I m getting is
Select statements included within a function cannot return data to a client (error 444)
Cann I use "select" statement in the function? If not what is the alternative?
I reduced the size of the sproc because it is a big one, I donn have any proble with syntax.
Thanks
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May 22, 2008
Hi,
I've got a complex UDF I need to call twice in a select statement, as shown below:
SELECT
dbo.myFunction(colName),
dbo.myFunction(colName) * 2
FROM
tableName
The problem is, the result of "dbo.myFunction(colName)" is not being cached, so the function is executed again for "dbo.myFunction(colName) * 2". This is having a significant impact on performance (doubling the amount of time it takes for the query to execute).
Is there any way I can write the query so that dbo.myFunction is only executed once?
Thanks for your help,
Andrew
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Aug 23, 1999
Can I write a function inside a Select statement in sql server 7.0
If so HOW ?
Manish Mehta
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Feb 3, 2015
I'm trying to use the DateDiff function within my select statement, but I'd like to add the parameter of greater than 30 days. This will have the query only return records where my bill stop date is greater than 30 days from the completion date. I currently have the datediff function within my select statement as
DATEDIFF (d,A.StopBillDate, a.CompletionDate) as [DIFFERENCE]
I would prefer to keep the datediff function within the select statement so as to have difference in days appear as a column within my output.I have been unable to add the parameter of > 30 days to the query without getting an error.
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Jul 9, 2014
I am selecting the count of the students in a class by suing select COUNT(studentid) as StCount FROM dbo.student But I need to use a case statement on this like if count is less than 10 I need to return 'Small class' if the count is between 10 to 50 then I need to return 'Medium class' and if the count is more than 50 then 'Big class'.
Right now I am achieving this by the following case statement
SELECT 'ClassSize' = CASE WHEN Stcount<10 THEN 'Small Class'
WHEN Stcount>=10 and StCount<=50THEN 'Medium Class'
WHEN Stcount>50 THEN 'Big Class'
END
FROM(
select COUNT(studentid) as Stcount FROM dbo.student) Stdtbl
But can I do this with just one select statement?
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Nov 3, 2015
The select statement:
SELECT DATEDIFF(n , LAG(CAST(Date AS DATETIME) + CAST(Time AS DATETIME), 1) OVER ( ORDER BY Date, Time ),
CAST(Date AS DATETIME) + CAST(Time AS DATETIME))
FROM [DataGapTest]
Gives the right output:
NULL
1
1
3548
0
However, when I put the statement in a function, I get only zeros as the output. It's as if the lag and current value are always the same (but they are not of course).
CREATE FUNCTION dbo.GetTimeInterval(@DATE date, @TIME time)
RETURNS INT
AS
BEGIN
DECLARE @timeInterval INT
SELECT @timeInterval = DATEDIFF(n , LAG(CAST(@Date AS DATETIME) + CAST(@Time AS DATETIME), 1) OVER ( ORDER BY Date, Time ),
CAST(@Date AS DATETIME) + CAST(@Time AS DATETIME))
FROM dbo.[DataGapTest]
RETURN @timeInterval
END
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Dec 11, 2007
Hi all,
I copied the following code from Microsoft SQL Server 2005 Online (September 2007):
UDF_table.sql:
USE AdventureWorks;
GO
IF OBJECT_ID(N'dbo.ufnGetContactInformation', N'TF') IS NOT NULL
DROP FUNCTION dbo.ufnGetContactInformation;
GO
CREATE FUNCTION dbo.ufnGetContactInformation(@ContactID int)
RETURNS @retContactInformation TABLE
(
-- Columns returned by the function
ContactID int PRIMARY KEY NOT NULL,
FirstName nvarchar(50) NULL,
LastName nvarchar(50) NULL,
JobTitle nvarchar(50) NULL,
ContactType nvarchar(50) NULL
)
AS
-- Returns the first name, last name, job title, and contact type for the specified contact.
BEGIN
DECLARE
@FirstName nvarchar(50),
@LastName nvarchar(50),
@JobTitle nvarchar(50),
@ContactType nvarchar(50);
-- Get common contact information
SELECT
@ContactID = ContactID,
@FirstName = FirstName,
@LastName = LastName
FROM Person.Contact
WHERE ContactID = @ContactID;
SELECT @JobTitle =
CASE
-- Check for employee
WHEN EXISTS(SELECT * FROM HumanResources.Employee e
WHERE e.ContactID = @ContactID)
THEN (SELECT Title
FROM HumanResources.Employee
WHERE ContactID = @ContactID)
-- Check for vendor
WHEN EXISTS(SELECT * FROM Purchasing.VendorContact vc
INNER JOIN Person.ContactType ct
ON vc.ContactTypeID = ct.ContactTypeID
WHERE vc.ContactID = @ContactID)
THEN (SELECT ct.Name
FROM Purchasing.VendorContact vc
INNER JOIN Person.ContactType ct
ON vc.ContactTypeID = ct.ContactTypeID
WHERE vc.ContactID = @ContactID)
-- Check for store
WHEN EXISTS(SELECT * FROM Sales.StoreContact sc
INNER JOIN Person.ContactType ct
ON sc.ContactTypeID = ct.ContactTypeID
WHERE sc.ContactID = @ContactID)
THEN (SELECT ct.Name
FROM Sales.StoreContact sc
INNER JOIN Person.ContactType ct
ON sc.ContactTypeID = ct.ContactTypeID
WHERE ContactID = @ContactID)
ELSE NULL
END;
SET @ContactType =
CASE
-- Check for employee
WHEN EXISTS(SELECT * FROM HumanResources.Employee e
WHERE e.ContactID = @ContactID)
THEN 'Employee'
-- Check for vendor
WHEN EXISTS(SELECT * FROM Purchasing.VendorContact vc
INNER JOIN Person.ContactType ct
ON vc.ContactTypeID = ct.ContactTypeID
WHERE vc.ContactID = @ContactID)
THEN 'Vendor Contact'
-- Check for store
WHEN EXISTS(SELECT * FROM Sales.StoreContact sc
INNER JOIN Person.ContactType ct
ON sc.ContactTypeID = ct.ContactTypeID
WHERE sc.ContactID = @ContactID)
THEN 'Store Contact'
-- Check for individual consumer
WHEN EXISTS(SELECT * FROM Sales.Individual i
WHERE i.ContactID = @ContactID)
THEN 'Consumer'
END;
-- Return the information to the caller
IF @ContactID IS NOT NULL
BEGIN
INSERT @retContactInformation
SELECT @ContactID, @FirstName, @LastName, @JobTitle, @ContactType;
END;
RETURN;
END;
GO
----------------------------------------------------------------------
I executed it in my SQL Server Management Studio Express and I got: Commands completed successfully. I do not know where the result is and how to get the result viewed. Please help and advise.
Thanks in advance,
Scott Chang
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Aug 2, 2007
I am trying to code a WHERE xxxx IN ('aaa','bbb','ccc') requirement but it the return values for the IN keyword changes according to another column, thus the need for a CASE function.
WHERE GROUP.GROUP_ID = 2 AND DEPT.DEPT_ID = 'D' AND WORK_TYPE_ID IN ( CASE DEPT_ID WHEN 'D' THEN 'A','B','C' <---- ERROR WHEN 'F' THEN 'C','D ELSE 'A','B','C','D' END )
I kept on getting errors, like
Msg 156, Level 15, State 1, Line 44Incorrect syntax near the keyword 'WHERE'.
which leads me to assume that the CASE ... WHEN ... THEN statement does not allow mutiple values for result expression. Is there a way to get the SQL above to work or code the same logic in a different manner in just one simple SQL, and not a procedure or T-SQL script.
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May 7, 2007
Hi,
I am importing some data from Excel. I have to SUM one of the columns, and then use the result of the sum to calculate the percentages of each row. How can I use the Aggregate to give me a total of a column, so that i can use the total in another task and use formulas to calculate the percentages? i have tried to use multicast and join, but I get an extra row with the sum, which is not what I want; I want to use the sum for all the data.
Thanks
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Sep 23, 2015
The actual schema I'm working against is proprietary and also adds more complication to the problem I'm trying to solve. So to solve this problem, I created a mock schema that is hopefully representative. See below for the mock schema, test data, my initial attempts at the query and the expected results.
-- greatly simplified schema that makes as much sense as the real schema
CREATE TABLE main (keyvalue INT NOT NULL PRIMARY KEY, otherdata VARCHAR(10));
CREATE TABLE dates (datekeyvalue INT NOT NULL, keyvalue INT NOT NULL, datevalue DATE NULL, PRIMARY KEY(datekeyvalue, keyvalue));
CREATE TABLE payments (datekeyvalue INT NOT NULL, keyvalue INT NOT NULL, paymentvalue INT NULL, PRIMARY KEY(datekeyvalue, keyvalue));
[Code] ....
Desired results:
SELECT 1 AS keyvalue, 'first row' AS otherdata, '2015-09-25' AS nextdate, 30 AS next_payment
UNION ALL
SELECT 2, 'second row', '2015-10-11', 150
UNION ALL
SELECT 3, 'third row', NULL, NULL
I know I'm doing something wrong in the last query and I believe another sub-query is needed?
Let me answer a few questions in advance:
Q: This schema looks horrible!
A: You don't know the half of it. I cleaned it up considerably for this question.
Q: Why is this schema designed like this?
A: Because it's a 3rd-party mainframe file dump being passed off as a relational database. And, no, I can't change it.
Q: I hope this isn't a frequently-run query against a large, high-activity database in which performance is mission-critical.
A: Yes, it is, and I left out the part where both the date and the amount are actually characters and have to pass through TRY_CONVERT (because I know how to do that part).
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Mar 17, 2008
I have two table with some identical fields and I am trying to populate one of the tables with a row that has been selected from the other table.Is there some standard code that I can use to take the selected row and input the data into the appropriate fields in the other table?
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Dec 9, 2007
Hi all,
I executed the following sql script successfuuly:
shcInLineTableFN.sql:
USE pubs
GO
CREATE FUNCTION dbo.AuthorsForState(@cState char(2))
RETURNS TABLE
AS
RETURN (SELECT * FROM Authors WHERE state = @cState)
GO
And the "dbo.AuthorsForState" is in the Table-valued Functions, Programmabilty, pubs Database.
I tried to get the result out of the "dbo.AuthorsForState" by executing the following sql script:
shcInlineTableFNresult.sql:
USE pubs
GO
SELECT * FROM shcInLineTableFN
GO
I got the following error message:
Msg 208, Level 16, State 1, Line 1
Invalid object name 'shcInLineTableFN'.
Please help and advise me how to fix the syntax
"SELECT * FROM shcInLineTableFN"
and get the right table shown in the output.
Thanks in advance,
Scott Chang
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Dec 26, 2007
I have an Execute SQL Task that executes "select count(*) as Row_Count from xyztable" from an Oracle Server. I'm trying to assign the result to a variable. However when I try to execute I get an error:
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Which data type should I use for the variable, RowCount? I've tried Int16, Int32, Int64.
Thanks!
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Feb 21, 2008
Does anyone know how to make a query and use an aggregate function? This is my current code...any help would be great.
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Also, How can i limit the query to only bringing up 5 records?
I'm trying to get a datagrid to show the 5 most recent forum posts for a particular category.
Thanks.
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