Select Statement When Values Are Not Null
Hi.
I have an sql table which contains a number and a name. I would like to create a select statement that will display these two fields in the format :
"number | name", but if there is a null value in the number it will display only the name and vice versa.
How can I do it ?
Any help is appreciated.
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I have an SQL Select statement that I need to add a column to called SalePrice, the SalePrice column needs to be calculated by adding together the values of 12 columns, then multiplying that value by the value in a another column to calculate margin. My issue is that I can only get it to add 7 column values together, if I add any more columns to the equation it just returns and null result. My DB is SQL 2005 Express SP2. My select statement is below: SELECT dbo.MFG_DATA_Machines.ID, dbo.MFG_DATA_Machines.MachineName, dbo.MFG_DATA_Parts_CPU.PartDescription AS CPU, dbo.MFG_DATA_Parts_CPU.PartCost AS CPUCost, dbo.MFG_DATA_Parts_Motherboard.PartDescription AS Motherboard, dbo.MFG_DATA_Parts_Motherboard.PartCost AS MotherboardCost, dbo.MFG_DATA_Parts_RAM.PartDescription AS RAM, dbo.MFG_DATA_Parts_RAM.PartCost AS RAMCost, dbo.MFG_DATA_Parts_HDD.PartDescription AS HDD, dbo.MFG_DATA_Parts_HDD.PartCost AS HDDCost, dbo.MFG_DATA_Parts_OpticalDrive.PartDescription AS OpticalDrive, dbo.MFG_DATA_Parts_OpticalDrive.PartCost AS OpticalDriveCost, dbo.MFG_DATA_Parts_Video.PartDescription AS Video, dbo.MFG_DATA_Parts_Video.PartCost AS VideoCost, dbo.MFG_DATA_Parts_OS.PartDescription AS OS, dbo.MFG_DATA_Parts_OS.PartCost AS OSCost, dbo.MFG_DATA_Parts_Modem.PartDescription AS Modem, dbo.MFG_DATA_Parts_Modem.PartCost AS ModemCost, dbo.MFG_DATA_Parts_FloppyDrive.PartDescription AS FloppyDrive, dbo.MFG_DATA_Parts_FloppyDrive.PartCost AS FloppyDriveCost, dbo.MFG_DATA_Parts_CardReader.PartDescription AS CardReader, dbo.MFG_DATA_Parts_CardReader.PartCost AS CardReaderCost, dbo.MFG_DATA_Parts_PowerSupply.PartDescription AS PowerSupply, dbo.MFG_DATA_Parts_PowerSupply.PartCost AS PowerSupplyCost, dbo.MFG_DATA_Parts_CaseType.PartDescription AS CaseType, dbo.MFG_DATA_Parts_CaseType.PartCost AS CaseTypeCost, dbo.MFG_DATA_Machines.Notes, dbo.MFG_DATA_Machines.MarginPercent, dbo.MFG_DATA_Machines.PriceOverride, (dbo.MFG_DATA_Parts_CPU.PartCost + dbo.MFG_DATA_Parts_Motherboard.PartCost + dbo.MFG_DATA_Parts_RAM.PartCost + dbo.MFG_DATA_Parts_HDD.PartCost + dbo.MFG_DATA_Parts_OpticalDrive.PartCost + dbo.MFG_DATA_Parts_Video.PartCost + dbo.MFG_DATA_Parts_OS.PartCost + dbo.MFG_DATA_Parts_Modem.PartCost + dbo.MFG_DATA_Parts_FloppyDrive.PartCost + dbo.MFG_DATA_Parts_CardReader.PartCost + dbo.MFG_DATA_Parts_PowerSupply.PartCost + dbo.MFG_DATA_Parts_CaseType.PartCost) * ((dbo.MFG_DATA_Machines.MarginPercent + 100) / 100) AS SalePrice FROM dbo.MFG_DATA_Machines LEFT OUTER JOIN dbo.MFG_DATA_Parts_CaseType ON dbo.MFG_DATA_Machines.CaseType = dbo.MFG_DATA_Parts_CaseType.ID LEFT OUTER JOIN dbo.MFG_DATA_Parts_Motherboard ON dbo.MFG_DATA_Machines.Motherboard = dbo.MFG_DATA_Parts_Motherboard.ID LEFT OUTER JOIN dbo.MFG_DATA_Parts_Video ON dbo.MFG_DATA_Machines.Video = dbo.MFG_DATA_Parts_Video.ID LEFT OUTER JOIN dbo.MFG_DATA_Parts_RAM ON dbo.MFG_DATA_Machines.RAM = dbo.MFG_DATA_Parts_RAM.ID LEFT OUTER JOIN dbo.MFG_DATA_Parts_PowerSupply ON dbo.MFG_DATA_Machines.PowerSupply = dbo.MFG_DATA_Parts_PowerSupply.ID LEFT OUTER JOIN dbo.MFG_DATA_Parts_OS ON dbo.MFG_DATA_Machines.OS = dbo.MFG_DATA_Parts_OS.ID LEFT OUTER JOIN dbo.MFG_DATA_Parts_OpticalDrive ON dbo.MFG_DATA_Machines.OpticalDrive = dbo.MFG_DATA_Parts_OpticalDrive.ID LEFT OUTER JOIN dbo.MFG_DATA_Parts_Modem ON dbo.MFG_DATA_Machines.Modem = dbo.MFG_DATA_Parts_Modem.ID LEFT OUTER JOIN dbo.MFG_DATA_Parts_HDD ON dbo.MFG_DATA_Machines.HardDisk = dbo.MFG_DATA_Parts_HDD.ID LEFT OUTER JOIN dbo.MFG_DATA_Parts_FloppyDrive ON dbo.MFG_DATA_Machines.FloppyDrive = dbo.MFG_DATA_Parts_FloppyDrive.ID LEFT OUTER JOIN dbo.MFG_DATA_Parts_CPU ON dbo.MFG_DATA_Machines.CPU = dbo.MFG_DATA_Parts_CPU.ID LEFT OUTER JOIN dbo.MFG_DATA_Parts_CardReader ON dbo.MFG_DATA_Machines.CardReader = dbo.MFG_DATA_Parts_CardReader.ID
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Putting Commas Between Select Statement Values
Hello, This may be a strange request, but I am going to ask about it anyways. Say for example if I have a table named TEST and in the table there is a column named NUMBERS, such that it is like this: NUMBERS 1 2 3 4 How could I use a select statement in a way that a comma would seperate every return value, such that if I go 'Select NUMBERS from TEST' I would get: 1,2,3,4 Instead of: 1 2 3 4 Any ideas? Thanks
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Select Statement For Comma Separated Values
hi, my sample SQL Server DB Tables are like, SID Skill --- ------- 1 JAVA 2 ORACLE 3 C 4 C++ PID Skillset --- --------- 1 1,2,3 2 2,4 3 1,2,3,4 4 3 I need the Query to display Person skills as follows... PID Skillset --- -------------- 1 Java,Oracle,C 2 Oracle,C++ 3 Java,Oracle,C,C++ 4 C and another query for Search.. if i give the search string as Java,C or i will pass the SID 1,3. i need to diplay the person records which contains the SID. output will be... PID Skillset --- -------------- 1 Java,Oracle,C 3 Java,Oracle,C,C++ 4 C or PID Skillset --- --------- 1 1,2,3 3 1,2,3,4 4 3 Plz help meee.. Thanking you in advance for your help.
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Concatenating Column Values In SELECT Statement
I'm puzzled as to how to express what I want in a stored procedure. Assume two columns, Surname and GivenName. The surname might be missing. When I originally wrote this app in Access, I used the following expression: SELECT Iif( IsNull(Surname), GivenName, Surname + ", " + GivenName ) AS Agent FROM Agents; I've looked at the syntax for CASE but I can't figure out exactly how to say what I intend, particularly the AS Agent column aliasing. Any help greatly appreciated. Please cc me privately so I receive your assistance at once! TIA, Arthur
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'combining' Values From A Select Statement Into A String
Hi, I got a really simple question here. Say I have a table with ID, Name 1, A1 2, A2 3, A3 .... 10, A10 Now I want to combine the names into another table grouped by their ID (say 1-5, 6-10), so this new table has two names instead of 10: A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 Is there a function that allows me to 'combine' the names from a select statement? Thanks in advance, Steven
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Zero Count Values Not Appearing In SELECT Statement
Hi all I have the following tables: Code Snippet CREATE TABLE #Lkp_Circle ( ID INT , Abbreviation varchar(50) ) GO CREATE TABLE #Lkp_OtherCircles ( Circle varchar(50) ) GO CREATE TABLE #Tbl_User ( ID INT, Name VARCHAR(50), IsActive bit ) GO CREATE TABLE #Tbl_UserDetails ( AssociateID INT, CircleID INT ) GO INSERT INTO #Lkp_Circle VALUES (1,'C1') INSERT INTO #Lkp_Circle VALUES (2,'C2') INSERT INTO #Lkp_Circle VALUES (3,'C3') INSERT INTO #Lkp_Circle VALUES (4,'C4') INSERT INTO #Lkp_Circle VALUES (5,'C5') INSERT INTO #Lkp_Circle VALUES (6,'C6') INSERT INTO #Lkp_Circle VALUES (7,'C7') GO INSERT INTO #Lkp_OtherCircles VALUES ('C3') INSERT INTO #Lkp_OtherCircles VALUES ('C4') INSERT INTO #Lkp_OtherCircles VALUES ('C5') INSERT INTO #Lkp_OtherCircles VALUES ('C6') GO INSERT INTO #Tbl_User VALUES ( 101,'U 1','True') INSERT INTO #Tbl_User VALUES ( 102,'U 2','True') INSERT INTO #Tbl_User VALUES ( 103,'U 3','True') INSERT INTO #Tbl_User VALUES ( 104,'U 4','True') INSERT INTO #Tbl_User VALUES ( 105,'U 5','True') GO INSERT INTO #Tbl_UserDetails VALUES(101,3) INSERT INTO #Tbl_UserDetails VALUES(102,4) INSERT INTO #Tbl_UserDetails VALUES(103,5) INSERT INTO #Tbl_UserDetails VALUES(104,5) INSERT INTO #Tbl_UserDetails VALUES(105,3) GO SELECT ISNULL(Circle,'Total') Circle, ISNULL(COUNT([HeadCount]),SUM(1)) AS [Total] FROM ( SELECT DISTINCT 'Circle' = CASE WHEN #Lkp_Circle.Abbreviation IN (SELECT Circle FROM #Lkp_OtherCircles) THEN #Lkp_Circle.Abbreviation WHEN #Lkp_Circle.Abbreviation NOT IN (SELECT Circle FROM #Lkp_OtherCircles) THEN 'Others' ELSE 'Total' END,ISNULL(#Tbl_UserDetails.AssociateID,0) AS 'HeadCount' FROM #Tbl_User INNER JOIN #Tbl_UserDetails ON #Tbl_User.ID = #Tbl_UserDetails.AssociateID INNER JOIN #Lkp_Circle ON #Tbl_UserDetails.CircleID = #Lkp_Circle.ID WHERE #Tbl_User.IsActive='True' AND #Tbl_User.ID>0 AND #Tbl_UserDetails.AssociateID>0 ) AS PivotTable GROUP BY Circle WITH Cube DROP TABLE #Tbl_User,#Tbl_UserDetails,#Lkp_Circle,#Lkp_OtherCircles ----EXPECTED RESULT --Circle HeadCount --C3 2 --C4 1 --C5 2 --C6 0 --Others 0 --Total 5 -- ----ACTUAL RESULT --Circle HeadCount --C3 2 --C4 1 --C5 2 --Total 5 The criteria for Others is that those circles which are not part of #Lkp_OtherCircles i.e. C1,C2,C3 and C7 clubbed together. I have tried checking for the condition ISNULL when for that circle there is no user but the end result is same. Can someone tell me where I am going wrong and how to correct it?
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Overloading Select Statement Return Values
Hey guys, This is what I think and hope is a fairly straight forward SQL question Essentially, I have a table which has the following columns that are relevent to my question: PROJID ACTIVITY_NAME COMPLETION_DATE Rows in this table are, for example: PROJID ACTIVITY_NAME COMPLETION_DATE 1 Prepro 10/12/2007 3:42:30 2 Prepro 10/13/2007 9:16:27 2 QA 10/13/2007 10:00:01 2 Delivery 10/14/2007 09:31:12 etc. So, really the key is the PROJID & the ACTIVITY_NAME (really, there's a unique column ID, but for this question, I'll leave it at that). (Though this should be much easier to accomplish in code, the system is not built that way so) Is there a good way that I could return a status for a given PROJID based on whether a row exists for a given PROJID). In other words, ultimately, I would like to return something like this: PROJID LAST_ACTIVITY ---------------------------------------------- 1 Prepro 2 Delivery where the activity order (in this case) is Prepro, QA, Delivery. So because a Delivery row exists for PROJID 2, then the LAST_ACTIVITY would return "Delivery" and because only Prepro exists for PROJID 1, the LAST_ACTIVITY returned would be Prepro I really appreciate the help Thanks, Steve
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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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Select Boolean Values Merged In A Text Statement
Hi,I have boolean values in a table for ex. Federation. And I want toselect followingSelect 'Insert into' + member + 'test' as test1from federationThen I get error messageServer: Msg 403, Level 16, State 1, Line 1Invalid operator for data type. Operator equals add, type equals bit.Someone can help me out of it.Thanks an advance- Loi -
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Help: Why IN-Operator With Select-Statement It Doesn't Work? But With Given Values It Works
Hello to all, i have a problem with IN-Operator. I cann't resolve it. I hope that somebody can help me. I have a IN_Operator sql query like this, this sql query can work. it means that i can get a result 3418: declare @IDM int; declare @IDO varchar(8000); set @IDM = 3418; set @IDO = '3430' select * from wtcomValidRelationships as A where (A.IDMember = @IDM) and ( @IDO in (3428 , 3430 , 3436 , 3452 , 3460 , 3472 , 3437 , 3422 , 3468 , 3470 , 3451 , 3623 , 3475 , 3595 , 3709 , 3723 , 3594 , 3864 , 3453 , 4080 )) but these numbers (3428 , 3430 , 3436 , 3452 , 3460 , 3472 , 3437 , 3422 , 3468 , 3470 , 3451 , 3623 , 3475 , 3595 , 3709 , 3723 , 3594 , 3864 , 3453 , 4080 ) come from a select-statement. so if i use select-statement in this query, i get nothing back. this query like this one:select * from wtcomValidRelationships as A where (A.IDMember = @IDM) and ( @IDO in (select B.RelationshipIDs from wtcomValidRelationships as B where B.IDMember = @IDM)) I have checked that man can use IN-Operator with select-statement. I don't know why it doesn't work with me. Could somebody help me? Thanks I use MS SQL 2005 Server Management Stadio Express Thanks a million and Best regards Sha
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Add Column With Fixed Number Of Values (text) To The Select Statement
Hello, I have such a problem. Need to add additional column to my query. The column should consist of set of fixed number (same as number of query rows) values (text). At start thought it's simple but now Im lost. Is there any chance to do it. Apreciate any help. I need to tell that I have only access to select on this database so no use of operation on tables.
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NULL Values Returned When Reading Values From A Text File Using Data Reader.
I have a DTSX package which reads values from a fixed-length text file using a data reader and writes some of the column values from the file to an Oracle table. We have used this DTSX several times without incident but recently the process started inserting NULL values for some of the columns when there was a valid value in the source file. If we extract some of the rows from the source file into a smaller file (i.e 10 rows which incorrectly returned NULLs) and run them through the same package they write the correct values to the table, but running the complete file again results in the NULL values error. As well, if we rerun the same file multiple times the incidence of NULL values varies slightly and does not always seem to impact the same rows. I tried outputting data to a log file to see if I can determine what happens and no error messages are returned but it seems to be the case that the NULL values occur after pulling in the data via a Data Reader. Has anyone seen anything like this before or does anyone have a suggestion on how to try and get some additional debugging information around this error?
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Null Values For Datetime Values Converted To '0001-01-01'
Hi can somebody explain me how I can assign a NULL value to a datetime type field in the script transformation editor in a data flow task. In the script hereunder, Row.Datum1_IsNull is true, but still Row.OutputDatum1 will be assigned a value '0001-01-01' which generates an error (not a valid datetime). All alternatives known to me (CDate("") or Convert.ToDateTime("") or Convert.ToDateTime(System.DBNull.Value)) were not successful. Leaving out the ELSE clause generates following error: Error: Year, Month, and Day parameters describe an un-representable DateTime. If Not Row.Datum1_IsNull Then Row.OutputDatum1 = Row.Datum1 Else Row.OutputDatum1 = CDate(System.Convert.DBNull) End If Any help welcome.
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Use Order By But Want NULL Values As High Values
Hi, My query "select blah, blah, rank from tablewithscores" will return results that can legitimately hold nulls in the rank column. I want to order on the rank column, but those nulls should appear at the bottom of the list e.g. Rank Blah Blah 1 - - 2 - - 3 - - NULL - - NULL - - At present the NULLs are at the top of the list, but I do not want my ranking in descending order. Any suggestions? Thanks Dan
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Select Statement Within Select Statement Makes My Query Slow....
Hello... im having a problem with my query optimization.... I have a query that looks like this: SELECT * FROM table1 WHERE location_id IN (SELECT location_id from location_table WHERE account_id = 998) it produces my desired data but it takes 3 minutes to run the query... is there any way to make this faster?... thank you so much...
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SQL Null Values In VB
I have tried doing a search, as I figured this would be a common problem, but I wasn't able to find anything. I know that my SP is functional because when I use VWD execute the query outside of the webpage, I get the correct results -however I have to ensure that a field is either entered, or set to <NULL>. In my SET's I want it to use the wildcards. What I want is to do a search (plenty of existing topics on that, however none were of help to me). If a field is entered, then it is included in the search. Otherwise it should be ignored. In my VB I have the standard stored procedure call, passing in values to all of the parameters in the stored proc below: CREATE PROCEDURE dbo.SearchDog@tagnum int,@ownername varchar(50), @mailaddress varchar(50),@address2 varchar(50),@city varchar(50),@telephone varchar(50),@doggender varchar(50),@dogbreed varchar(50),@dogage varchar(50),@dogcolour varchar(50),@dogname varchar(50),@applicationdate varchar(50)AS IF @tagnum=-1 SET @tagnum=NULL SET @ownername = '%'+@ownername+'%' SET @mailaddress = '%'+@mailaddress+'%' SET @address2='%'+@address2+'%' SET @city = '%'+@city+'%' SET @telephone='%'+@telephone+'%' SET @dogcolour='%'+@dogcolour+'%' SET @dogbreed='%'+@dogbreed+'%' SET @dogage='%'+@dogage+'%' SET @doggender='%'+@doggender+'%' SET @dogname='%'+@dogname+'%' SET @applicationdate='%'+@applicationdate+'%' SELECT DISTINCT * FROM DogRegistry WHERE ( TagNum = @tagnum OR OwnerName LIKE @ownername OR MailAddress LIKE @mailaddress OR Address2 LIKE @address2 OR City LIKE @city OR Telephone LIKE @telephone OR DogGender LIKE @doggender OR DogBreed LIKE @dogbreed OR DogAge LIKE @dogage OR DogColour LIKE @dogcolour OR DogName LIKE @dogname OR ApplicationDate LIKE @applicationdate ) AND TagNum > 0GO I don't know why it is creating links inside my SP -ignore them. TagNum is the primary key, if that makes a difference. On the webpage, it ONLY works when every field has been filled (and then it will only return 1 row, as it should, given the data entered). Debugging has shown that when nothing is entered it passes "". Any ideas?
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Sql 7 And Null Values
dear all , we are currently having an issue with the way that sql 7 interprets null values. We currently have a literature fulfilment process that exports data from a sql 7 database into a simple .tab delimited file for completion. However, some of the fields that are pulled out were not specified as allowing null characters, i.e. in that the default view that if sql found a null result, it would simply return 'null'. This is not always the case. We have seen that even though the field is blank via the application front end (i.e. no data exists), and datalength(fieldname) = 0 (again indicating no data whatsoever), because the field hadn't been specifically told to accept nulls, when a null value was found it inserted a square character instead. This character is invisible via notepad/wordpad/excel and can only be seen via visual foxpro which was the application the fulfilment house are using. The character is simply a [] (square) that represents a line break in many programming languages. We have simply updated the fields to return specific nulls now and resent the data. However, the characters are still there ? I know it sounds a weird one but has anyone experienced something similar and is there a known fix for this problem ? Many thanks regardless chris.
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Null Values
I am trying to retrieve data from two different tables. One of the tables has more than 20 columns some of which are null. I would like to retrieve data from both tables excluding the columns which have null values. How do I do this?
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Null Values
Hi, How can I use "Derived Column" to check if a Datetime value is null or not and if null to insert 00/00/00 instead. ? The background being that while using a "Derived Column" to change a Column from a (DT_DATE) to a (DT_DBTIMESTAMP) everytime I get a null value it see's it as a error. And the column in particular has ~ 37 K blank / null fields so Im getting a lot of errors So far I have tried to use something like ISNULL([Column 34]) Or SELECT ISNULL(ID, '00/00/0000') FROM [Column 34] Or SELECT ISNULL(au_id, '00/00/0000 00:00') AS ssn FROM [Column 34 but none seems to work [Column 34] being the offending column. What a normally use is just a simple "(DT_DBTIMESTAMP)[Column 34]" in the expression column, which seems to work well, but here I get alot of errors Any ideas?
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Null Values
I set up a new SQL database file, in that file I allowed nulls, When I went through code to save the record, the exception is saying it doesnt allow nulls. Before I get to involved with SQL, is it a bad practice to use nulls? If it is what do you enter in place of the null value, which will lead to more code, right? Davids Learning SQL
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SUM When There Are Null Values.
Would this take care of null values in either a.asset or b.asset? SELECT convert(decimal(15,1),(sum(isnull(a.asset,0))/1000.0)+(sum(isnull(b.asset,0))/1000.0)) as total_assets What's throwing me off is that there are multiple a.asset or b.asset for each unique ID. It seems to work, but I'm not following the logic too well. If I were doing this in another language, I would loop through, summing a.asset and b.asset wherever it's not null for each unique ID.
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Multiple Tables Used In Select Statement Makes My Update Statement Not Work?
I am currently having this problem with gridview and detailview. When I drag either onto the page and set my select statement to pick from one table and then update that data through the gridview (lets say), the update works perfectly. My problem is that the table I am pulling data from is mainly foreign keys. So in order to hide the number values of the foreign keys, I select the string value columns from the tables that contain the primary keys. I then use INNER JOIN in my SELECT so that I only get the data that pertains to the user I am looking to list and edit. I run the "test query" and everything I need shows up as I want it. I then go back to the gridview and change the fields which are foreign keys to templates. When I edit the templates I bind the field that contains the string value of the given foreign key to the template. This works great, because now the user will see string representation instead of the ID numbers that coinside with the string value. So I run my webpage and everything show up as I want it to, all the data is correct and I get no errors. I then click edit (as I have checked the "enable editing" box) and the gridview changes to edit mode. I make my changes and then select "update." When the page refreshes, and the gridview returns, the data is not updated and the original data is shown. I am sorry for so much typing, but I want to be as clear as possible with what I am doing. The only thing I can see being the issue is that when I setup my SELECT and FROM to contain fields from multiple tables, the UPDATE then does not work. When I remove all of my JOIN's and go back to foreign keys and one table the update works again. Below is what I have for my SQL statements:------------------------------------------------------------------------------------------------------------------------------------- SELECT:SELECT People.FirstName, People.LastName, People.FullName, People.PropertyID, People.InviteTypeID, People.RSVP, People.Wheelchair, Property.[House/Day Hab], InviteType.InviteTypeName FROM (InviteType INNER JOIN (Property INNER JOIN People ON Property.PropertyID = People.PropertyID) ON InviteType.InviteTypeID = People.InviteTypeID) WHERE (People.PersonID = ?)UPDATE:UPDATE [People] SET [FirstName] = ?, [LastName] = ?, [FullName] = ?, [PropertyID] = ?, [InviteTypeID] = ?, [RSVP] = ?, [Wheelchair] = ? WHERE [PersonID] = ? ---------------------------------------------------------------------------------------------------------------------------------------The only fields I want to update are in [People]. My WHERE is based on a control that I use to select a person from a drop down list. If I run the test query for the update while setting up my data source the query will update the record in the database. It is when I try to make the update from the gridview that the data is not changed. If anything is not clear please let me know and I will clarify as much as I can. This is my first project using ASP and working with databases so I am completely learning as I go. I took some database courses in college but I have never interacted with them with a web based front end. Any help will be greatly appreciated.Thank you in advance for any time, help, and/or advice you can give.Brian
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Using Conditional Statement In Stored Prcodure To Build Select Statement
hiI need to write a stored procedure that takes input parameters,andaccording to these parameters the retrieved fields in a selectstatement are chosen.what i need to know is how to make the fields of the select statementconditional,taking in consideration that it is more than one fieldaddedfor exampleSQLStmt="select"if param1 thenSQLStmt=SQLStmt+ field1end ifif param2 thenSQLStmt=SQLStmt+ field2end if
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TSQL - Use ORDER BY Statement Without Insertin The Field Name Into The SELECT Statement
Hi guys, I have the query below (running okay): Code Block SELECT DISTINCT Field01 AS 'Field01', Field02 AS 'Field02' FROM myTables WHERE Conditions are true ORDER BY Field01 The results are just as I need: Field01 Field02 ------------- ---------------------- 192473 8461760 192474 22810 Because other reasons. I need to modify that query to: Code Block SELECT DISTINCT Field01 AS 'Field01', Field02 AS 'Field02' INTO AuxiliaryTable FROM myTables WHERE Conditions are true ORDER BY Field01 SELECT DISTINCT [Field02] FROM AuxTable The the results are: Field02 ---------------------- 22810 8461760 And what I need is (without showing any other field): Field02 ---------------------- 8461760 22810 Is there any good suggestion? Thanks in advance for any help, Aldo.
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How To Deal With Null Values
Hi I have a table in my database and one of the columns is called 'Month'. Here only one month is inserted according to what the user selects from a dro down list. WHat i want to be able to do is find the average of the column 'ScoreOut' on a month by month basis. My code works fine if th database contains at least one row with every month of the year represented. I run into problems when one of the months is not represented. here is my code:string month = "February"; SqlConnection myConn = new SqlConnection("Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\Database.mdf;Integrated Security=True;User Instance=True");String selectCommand = "Select AVG(CAST(ScoreOut as float)) from tblRound where Name = '" + lblName.Text + "' AND Month = '" + month + "'"; SqlCommand myCmd = new SqlCommand(selectCommand, myConn);SqlDataAdapter da = new SqlDataAdapter(myCmd);DataTable dt = new DataTable(); da.Fill(dt); myConn.Open(); myCmd.ExecuteNonQuery();string info = String.Format("{0:0.00}", Convert.ToDecimal(myCmd.ExecuteScalar())); myConn.Close(); lblHole2.Text = info; Does anyone know how to get around this problem. If a month is not represented, i would like the label lblHole2.text to be equal to 0. thanks
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