Is It Possible To Re-reference A Column Alias From A Select Clause In Another Column Of The Same Select Clause?
Example, suppose you have these 2 tables
(NOTE: My example is totally different, but I'm simply trying to setup
the a simpler version, so excuse the bad design; not the point here)
CarsSold {
CarsSoldID int (primary key)
MonthID int
DealershipID int
NumberCarsSold int
}
Dealership {
DealershipID int, (primary key)
SalesTax decimal
}
so you may have many delearships selling cars the same month, and you
wanted a report to sum up totals of all dealerships per month.
select cs.MonthID,
sum(cs.NumberCarsSold) as 'TotalCarsSoldInMonth',
sum(cs.NumberCarsSold) * d.SalesTax as 'TotalRevenue'
from CarsSold cs
join Dealership d on d.DealershipID = cs.DealershipID
group by cs.MonthID
My question is, is there a way to achieve something like this:
select cs.MonthID,
sum(cs.NumberCarsSold) as 'TotalCarsSoldInMonth',
TotalCarsSoldInMonth * d.SalesTax as 'TotalRevenue'
from CarsSold cs
join Dealership d on d.DealershipID = cs.DealershipID
group by cs.MonthID
Notice the only difference is the 3rd column in the select. My
particular query is performing some crazy math and the only way I know
of how to get it to work is to copy and past the logic which is
getting out way out of hand...
Thanks,
Dave
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Hi I need suggestion for a query. Consider following 2 tables. Table-1 "T1" ----------- |ID|Name |1 |abc |2 |def |3 |erw |4 |rwg |5 |her Table-2 "T2" ---------- |ID|Qty |1 |12 |1 |2 |2 |22 |3 |10 |2 |14 I want a query which displays ID, Name and MAX(Qty) for each item where Max(Qty)>=10 i.e. result should be Result ---------- |ID|Name|Qty |1 |abc |12 |2 |def |22 |3 |erw |10 I tried: Select t1.*, (Select Max(Qty) From T2 where ID=t1.ID) as MaxQty FROM T1 t1 WHERE MaxQty>=10 But it fails as computed or inline query columns can not be added in where clause. However following works: Select t1.*, (Select Max(Qty) From T2 where ID=t1.ID) as MaxQty FROM T1 t1 WHERE (Select Max(Qty) From T2 where ID=t1.ID) >=10 BUT IS IT OPTIMIZED? Please suggest an optimized way to handle such scenarios.
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Column Name Conflicts With T-SQL Clause Keyword
I am busy extending a VB6 app to talk to SQL Server Express 2005 and have come across a naming conflict. Some of the columns in the application's Access 97 tables is "index" which obviously exists as a T-SQL keyword and therefore any queries I perform including this column throws a syntax error. I tried prefixing the columns with their table names as in TableName.Index, but this still throws up the syntax error which I thought was a bit odd. I preferably want a fix that will be Access as well as T-SQL compliant but if that's not possible I will just write a string converter that does the job based on anyone's suggestions. TIA
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WHERE Clause Using Different Column Passed By Parameter
Hi all, I'd think this is possible but I'm having trouble getting data returned from the query. Fields PART_NUMBER and INTERNAL_SKU exist in the SKU table. This will be inside a SP. If user passes 'PN' as first parameter then I'd need to have the WHERE clause by PART_NUMBER, if he passes 'SK' (or anything else for now) then the WHERE clause shold be by SKU. Can't I just build the WHERE by replacing @SearchField with its value ? I've looked up the CASE statement but I don't think it does what I need. DECLARE @strSearchType varchar(2) DECLARE @strSearchValue varchar(15) DECLARE @SearchField varchar(15) set @strSearchType = 'PN' set @strSearchValue = '1234567' IF @strSearchType = 'PN' begin set @SearchField = 'PART_NUMBER' end ELSE begin set @SearchField = 'INTERNAL_SKU' end SELECT SKU as 'SKU', PART_NUMBER as 'PartNumber', DESCRIPTION as 'Description' FROM SKUs WHERE @SearchField = @strSearchValue FOR XML PATH('SKU'), ROOT('Response') Thanks, ST
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Does The Group By Have To Include All Fields From The SELECT Clause?
hey all, say i have the following function SELECT GLF_CHART_ACCT.DESCR1, F1ADR_ADDRESS.ADDR1, F1ADR_ADDRESS.ADDR2, F1ADR_ADDRESS.ADDR3, F1ADR_ADDRESS.ADDR_CITY, F1ADR_ADDRESS.ADDR_STATE, F1ADR_ADDRESS.POST_CODE, F1ADR_ADDRESS.PHONE_NBR, F1ADR_ADDRESS.FAX_NBR, F1ADR_ADDRESS.EMAIL_ADDR_NAME, F1ADR_ADDRESS.CONTACT_NAME, F1ADR_ADDRESS.CONTACT_TITLE, GLF_CHART_ACCT.ACCNBRI, F1ADR_ADDRESS.ENTITY_UNIQUE_NBR FROM GLF_CHART_ACCT INNER JOIN F1ADR_ADDRESS ON (GLF_CHART_ACCT.CHART_NAME = F1ADR_ADDRESS.ENTITY_KEY1) AND (GLF_CHART_ACCT.ACCNBRI = F1ADR_ADDRESS.ENTITY_KEY2) GROUP BY GLF_CHART_ACCT.DESCR1, F1ADR_ADDRESS.ADDR1, F1ADR_ADDRESS.ADDR2, F1ADR_ADDRESS.ADDR3, F1ADR_ADDRESS.ADDR_CITY, F1ADR_ADDRESS.ADDR_STATE, F1ADR_ADDRESS.POST_CODE, F1ADR_ADDRESS.PHONE_NBR, F1ADR_ADDRESS.FAX_NBR, F1ADR_ADDRESS.EMAIL_ADDR_NAME, F1ADR_ADDRESS.CONTACT_NAME, GLF_CHART_ACCT.ACCNBRI, F1ADR_ADDRESS.CONTACT_TITLE, GLF_CHART_ACCT.CHART_NAME, F1ADR_ADDRESS.ENTITY_UNIQUE_NBR, GLF_CHART_ACCT.SELN_TYPE1_CODE HAVING CHART_NAME='ARCHART' AND GLF_CHART_ACCT.DESCR1 <> '' AND GLF_CHART_ACCT.SELN_TYPE1_CODE = 'Trade' AND GLF_CHART_ACCT.DESCR1 LIKE '%" + Search + "%' ORDER BY GLF_CHART_ACCT.DESCR1; I get errors if not all the fields are included in the group by clause. what i dont get is why i have to create seperate groups for this query...or am i reading it wrong?? Cheers, Justin
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SELECT Clause To Determine If A Field Is Japanese
I am currently trying to find a way in which I can determine if a column in a Select clause is Japanese. The column currently supports English and Japanese Kanjis and other kanas. Is there a way to determine if this column is not English or if it is Japanese without physically looking at it.? Thanks .... Chris
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Multiple Values For Single Column In Where Clause
how does one specify multiple values for a single column in a where clause? example: SELECT fname, lname FROM tblContacts WHERE (state = 'MI','CA','AZ','TN','NJ') if my memory serves me there is an IN() value list operator but I can't remember the syntax :confused:
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Where Clause Changing Based On NULL Column(s)
Hello DBAs: I am having difficulty constructing a where clause. I have 4 columns in a table. Col1 is never NULL. Col2,3,4 may or may not contain NULL values. Here is the situation. 1. Col2,3,4 are NULL WHERE Col1 = condition 2. Col2 is NULL, 3 may or may not be NULL. When Col3 is NOT NULL, Col4 may or may not be NULL where col1 and (col3(Not Null values) OR Col4(Not Null values)) = condition. How do I construct this logic. Please help
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Need To Pass 'UserName' To SQL Select WHERE Clause In The Data Source
Hi.I bet this is a 101 question, but i'd appreciate any help!I am in the 'where...' section of the configure data source wizzard .Column: I grab 'UserName' Operator: I select '='BUT how do I get the UserName (The user is signed into the app) Is it from the Form? Profile? Session?Ive tried profile.name..... THANKS In advance.... Dan
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SQL Select Command With Where Clause Variable Based On ASP.NET TextBox
All, Please can someone advise how to use SQL select statement with where clasue which is based on a textBox.text value. ex. below example I set the textbox.text value to a C# variable called TextBoxValue1 but I receive error this is not a valid This is all done in Page_Load event backend code. string strCommandtext = "Select Type.TypeName, Type.TypeDesc FROM Type Where Type.TypeName = TextBoxValue1";
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Select Statement Using Multi-list Box Values For WHERE IN SQL Clause
I have a gridview that is based on the selection(s) in a listbox. The gridview renders fine if I only select one value from the listbox. I recive this error though when I select more that one value from the listbox: Syntax error converting the nvarchar value '4,1' to a column of data type int. If, however, I hard code 4,1 in place of @ListSelection (see below selectCommand WHERE and IN Clauses) the gridview renders perfectly. <asp:SqlDataSource ID="SqlDataSourceAll" runat="server" ConnectionString="<%$ ConnectionStrings:ConnectionString %>" SelectCommand="SELECT DISTINCT dbo.Contacts.Title, dbo.Contacts.FirstName, dbo.Contacts.MI, dbo.Contacts.LastName, dbo.Contacts.Suffix, dbo.Contacts.Dear, dbo.Contacts.Honorific, dbo.Contacts.Address, dbo.Contacts.Address2, dbo.Contacts.City, dbo.Contacts.StateOrProvince, dbo.Contacts.PostalCode FROM dbo.Contacts INNER JOIN dbo.tblListSelection ON dbo.Contacts.ContactID = dbo.tblListSelection.contactID INNER JOIN dbo.ListDescriptions ON dbo.tblListSelection.selListID = dbo.ListDescriptions.ID WHERE (dbo.tblListSelection.selListID IN (@ListSelection)) AND (dbo.Contacts.StateOrProvince LIKE '%') ORDER BY dbo.Contacts.LastName"> <SelectParameters> <asp:Parameter Name="ListSelection" DefaultValue="1"/> </SelectParameters> </asp:SqlDataSource> The selListID column is type integer in the database. I'm using the ListBox1_selectedIndexChanged in the code behind like this where I've tried using setting my selectparameter using the label1.text value and the Requst.From(ListBox1.UniqueID) value with the same result: Protected Sub ListBox1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles ListBox1.SelectedIndexChanged Dim Item As ListItem For Each Item In ListBox1.Items If Item.Selected Then If Label1.Text <> "" Then Label1.Text = Label1.Text + Item.Value + "," Else Label1.Text = Item.Value + "," End If End If Next Label1.Text = Label1.Text.TrimEnd(",") SqlDataSourceAll.SelectParameters("ListSelection").DefaultValue = Request.Form(ListBox1.UniqueID) End Sub What am I doing wrong here? Thanks!
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Trying To Use The Results Of A Case Statement In My Select List In My WHERE Clause?
I am fairly new with SQL and still learning. I have used a case statemtent for a column in my select list and want to use the results of that statement's field in my WHERE clause but it is not working for me. Here is the code I have so far: SELECT l.loanid, p.investorid, l.duedate, case when pc.duedate >= l.duedate then pc.duedate end as RateDueDate, pc.interestrate FROM loan l inner join participation p on p.loanid = l.loanid inner join paymentchange pc on pc.loanid = l.loanid where p.investorid = '12345' and RateDueDate is not null order by l.loanid, pc.duedate I want to put the results of this case statment in my where clause like highlighted above but it is not working because RateDueDate is not an actual column in the table. Any help would be greatly appreciated. Thanks!
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