Need To Convert NULL Values To 0, (zero) In Order To Perform Math Calculations
Feb 20, 2007
Using a reporting services model/report builder we have two related tables:
- Fundings, (parent)
- Draws, (child)
Report Builder reports that subtract "Total Fundings.Amount", (which is SUM(FundingAmount)) from "Total Draw Amount", (which is SUM(DrawAmount)) to get a balance work as expected except when there are no Draw rows, in which case a NULL is returned. Obviously we want to convert NULL values of "Total Draw Amount" to zero so that when subtracted from "Total Fundings.Amount" the correct value is displayed. I've searched for a function similar to COALESCE (Transact-SQL) in report builder but found nothing.
Can anybody help me with this?
Thanks
Bruce
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Aug 10, 2006
Hello all.
I am looking to perform a calculation and enter the reult into a field within my table. The fields that I need to base the calculation on are all in one table (SALARY). The fields are: SALARY and BASIC_HOURS and the result is to be entered into field HOURLY_RATE. The actualy calculation to be preformed is:
hourly rate = ()salary / 52)/basic hours)
Thanks for reading :)
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Nov 9, 2000
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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Jul 20, 2005
How do I order a query by a date field ASC, but have any NULL valuesshow up last? i.e.7/1/20037/5/20037/10/2003<NULL><NULL>Any help will greatly be appreciated
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Jul 20, 2005
Hi all,I am trying to convert all the NULL values in a column to "Open". Anyideas??TIA
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Aug 26, 2007
Hi
I've got a view which returns Null values due to an left outer join. The field which sometimes returns Nulls is called ClientCount. I want to create a new field which displays the value of ClientCount if ClientCount is not null and 0 if it is null.
In MS Access I use the following: IIF([ClientCount] Is Null,0,[ClientCount])
This does not seem to work in MS SQL. Is there some equivalent function I could use?
Thanks
David
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Mar 5, 2008
Hello all,The followinq qurey returns sometimes values of null to some of this columns, byK,byT,byD. the column F wil not contains any nulls, and 0 will be populated in it at any case of .Now, the problem is that when sorting out F the sort will not work when there is null parameters in byK because teh fact that a 0 values is greater then NULL value, and the sort of F will not take in considiration. So I guess the question is how can I sort NULL values and 0 values to be the same weight in the sort by command? SELECT A.gym_id as gym,s_id, week, gym_name, boxer, league, sum(points)
points,sum(byK)as byK, sum(byT) as byT,sum(byPoints) as byPoints ,
sum(byD) as byD, count(C.gym) as F
FROM A inner JOIN B ON A.gym_id = B.gym_id
left JOIN C ON A.gym_id = C.gym
WHERE (B.l_id = ?text
group by A.gym_id
order by points DESC,byK DESC,byT DESC, byPoints DESC, byD DESC,F ASC
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Oct 20, 2005
Christine the Pharmacist writes "Please pardon as I am not horribly advanced with SQL...
Using SQL Server 2000, Windows 2000, Service pack 4
I'm trying to figure out marketshares for "preferred" products. I have a table put together by hospital and month of medication use with the totals of each drug dispensed in columns as well.
(example table below)
Hospital Month Drug A Drug B Drug C Drug D
A 7 5 10 58 73
B 7 NULL 26 98 43
etc.
** Drug C and Drug D are the preferred drugs
I'm getting correct preferred % in all cases except when a value is NULL (result is NULL). I'm using an aggregate (sum), which should ignore NULLs, but it ignores NULLs within a column, and not ignoring across columns. I've tried setting concat_null_yields_null off and I'm still getting NULL (since I'm using the plus sign).
This is my admittedly confused select statement, suspect this is where my problem lies (problems with saying "sum", but using "+" as well?):
select a.Hospital,a.month,convert(float,sum(c.Drug_C+d.Drug_D))/convert(float,sum(a.Drug_A+b.Drug_B+
c.Drug_C+d.Drug_D)) as preferred_share
Thanks for any advice!"
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Oct 5, 2015
I need to convert a a string column to integer. Before converting, I need to check if it has blank values then convert it to NULL. Someone told me that its easier to convert it to NULL before converting to integer.
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Jan 25, 2008
I have a pivot transform that pivots a batch type. After the pivot, each batch type has its own row with null values for the other batch types that were pivoted. I want to group two fields and max() the remaining batch types so that the multiple rows are displayed on one row. I tried using the aggregate transform, but since the batch type field is a string, the max() function fails in the package. Is there another transform or can I use the aggragate transform another way so that the max() will work on a string?
-- Ryan
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Aug 24, 2007
Hi,
In Microsft Access you can use the value of fields in calculations eg, txtbox_demand_value * qty - is this possible in Reporting Services????
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Apr 14, 2015
having on mind that this is my Target server: what is the way of creating shared folder in order to perform operation from the title (and, of course, to continue with installation of packages etc...)? SQL SERVER 2008 R2
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Mar 17, 2008
I want to have a FromDateTextBox and a ToDateTextBox where the user can enter in dates (most likely in mm/dd/yy format, although intelligently handing other formats might be a plus). Then I want to use these dates as the basis for a WHERE clause like:<some sql...> WHERE start_date BETWEEN 'FromDateTextBox.Text' AND 'ToDateTextBox.Text' (Note this WHERE clause will be used as the basis for an SqlDataSource FilterExpression). 1. I believe the date strings need to be in the format 'yyyy-mm-dd' to search SQL server is this correct?2. What's a decent way to convert the strings from the textboxes to the required format?3. How can I avoid an SQL injection attack?
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May 19, 2011
I am performing a series of calculations where accuracy is very important, so have a quick question about single vs double precision variables in SQL 2008.
I'm assuming that there is an easy way to cast a variable that is currently stored as a FLOAT as a DOUBLE prior to these calculations for reduced rounding errors, but I can't seem to find it.
I've tried CAST and CONVERT, but get errors when I try to convert to DOUBLE.
For example...
SELECT CAST(1.0/7.0 AS FLOAT)
SELECT CONVERT(FLOAT, 1.0/7.0)
both give the same 6 decimal place approximation, and the 6 decimals make me think this is single precision.
But I get errors if I try to change the word FLOAT to DOUBLE in either one of those commands...
SELECT CAST(1.0/7.0 AS DOUBLE)
gives "Incorrect syntax near )"
SELECT CONVERT(DOUBLE, 1.0/7.0)
gives "Incorrect syntax near ,"
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Jul 28, 2015
I have a string variable
string str1="1,2,3,4,5";
I have to use the above comma separated values into a SQL Search query whose datatype is integer. How would i do this Search query in the IN Operator of SQL Server. My query is :
declare @id varchar(50)
set @id= '3,4,6,7'
set @id=(select replace(@id,'''',''))-- in below select query Id is of Integer datatype
select *from ehsservice where id in(@id)
But this query throws following error message:
Conversion failed when converting the varchar value '3,4,6,7' to data type int.
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Feb 23, 2007
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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Dec 9, 2013
I have SQL Server 2012 SSIS. I have Excel source and OLE DB Destination.I have problem with importing CustomerSales column.CustomerSales values like 1000.00,2000.10,3000.30,NotAvailable.So I have decimal values and nvarchar mixed in on Excel column. This is requirement for solution.However SSIS reads only numeric values correctly and nvarchar values are set as Null. Why?
CREATE TABLE [dbo].[Import_CustomerSales](
 [CustomerId] [nvarchar](50) NULL,
 [CustomeName] [nvarchar](50) NULL,
 [CustomerSales] [nvarchar](50) NULL
) ON [PRIMARY]
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Mar 29, 2006
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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Jul 9, 2015
I have a table with 2 columns and my source data looks like this..
PolicyNum  InsCode   Â
1ABC12Â Â Â Â Â Â Â Â 1001Â Â Â Â Â Â Â Â
1ABC12Â Â Â Â Â Â Â Â Â 1002Â Â Â Â Â Â Â Â
1ABC12Â Â Â Â Â Â Â Â Â 1003Â Â Â Â Â Â Â
1ABC12Â Â Â Â Â Â Â Â Â 1004Â Â Â Â Â Â Â
1ABC12Â Â Â Â Â Â Â Â Â 1005Â Â Â Â Â Â Â Â
[Code] ....
My output should look like this..I need T-sql to get below output.
PolicyNum  InsCode1  InsCode2   Â
1ABC12Â Â Â Â Â Â Â Â Â Â Â 1001Â Â Â Â Â Â 1005Â Â Â Â Â Â Â
1ABC12Â Â Â Â Â Â Â Â Â Â Â Â 1002Â Â Â Â Â Â 1006Â Â Â Â Â Â Â Â
1ABC12Â Â Â Â Â Â Â Â Â Â Â 1003Â Â Â Â Â Â 1004Â Â Â Â Â Â Â
1ABC20Â Â Â Â Â Â Â Â Â Â Â Â 1001Â Â Â Â Â Â 1005Â Â Â Â Â Â Â Â
[Code] ...
Basically it's converting certain row values to new column. Every PloicyNum will have 1001 to 1006 Fixed InsCode values as a group.
Rule-1: InsCode value 1001 should always mapped to 1005Â Â Â
          InsCode value 1002 should always mapped to 1006
           InsCode value 1003 should always mapped to 1004Â
Rule-2: For a policyNum, If any Inscode value is missed from the group values 1001 to 1006, still need to mapped with corresponding values as shown in Rule-1
In the above sample data..
for PolicyNum - 1ABC20 , group values 1003,1006 are missing
for PolicyNum - 1ABC25 , group values 1002,1003,1004,1005,1006 are missing
Create Table sampleDate (PolicyNum varchar(10) not null, InsCode Varchar(4) not null)
Insert into Sample Date(PolicyNum, InsCode) Values ('1ABC12','1001')Â Â Â Â Â Â Â Â
Insert into Sample Date(PolicyNum, InsCode) Values ('1ABC12','1002')Â Â Â Â Â Â Â
Insert into Sample Date(PolicyNum, InsCode) Values ('1ABC12','1003')Â Â Â Â Â Â
[Code] ....
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Apr 26, 2007
Hi!I have a little problem. I’m trying to sort a date I have converted like thisConvert(datetime,LH.LoginDateTime,103) as RegistrationDateBut when I use Order by on RegistrationDate it only sort on days:01/11/200601/12/200602/11/200602/12/200603/11/200603/12/2006I’ll guess it’s because of the “varchar� convert, but I need the date to bee inn this format, since I only shall check the date and not the time. Is there a way around this, so I can order it like this? (Se under)01/11/200602/11/200603/11/200601/12/200602/12/200603/12/2006Sample SQL;select Convert(varchar,LH.LoginDateTime,103) as RegistrationDate,select count(*) from LoginHistory AS LH2 where datepart(hh,LH2.LoginDateTime)<7 ANDConvert(varchar,LH2.LoginDateTime,103)>=Convert(varchar,LH.LoginDateTime,103) AND Convert(varchar,LH2.LoginDateTime,103)<=Convert(varchar,LH.LoginDateTime,103)) As beforehour07from LoginHistory AS LHwhere LH.LoginDateTime >='''+ Convert(varchar,@FromDate,113) + ''' ' + 'and LH.LoginDateTime <='''+ Convert(varchar,@ToDate,113) + ''' ' + 'group by Convert(varchar,LH.LoginDateTime,103)'Order by RegistrationDate
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Feb 10, 2004
Hi,
I just realized that when I started using the CONVERT function on my dates in my SELECT statement and try to ORDER BY one of the date fields that I convert, the order isn't actually correct. Here's the statement:
$query = "SELECT id, BroSisFirstName, BroSisLastName, TerrNumber, IsCheckedOut, IsLPCheckedOut, BroSisFirstNameLP, BroSisLastNameLP, CONVERT(char(10),CONVERT(datetime, CAST(checkedOutDate as varchar(12))),101) AS checkedOutDate, CONVERT(char(10),CONVERT(datetime, CAST(returnedDate as varchar(12))),101) AS returnedDate, CONVERT(char(10),CONVERT(datetime, CAST(lpcheckedOutDate as varchar(12))),101) AS lpcheckedOutDate, CONVERT(char(10),CONVERT(datetime, CAST(lpReturnedDate as varchar(12))),101) AS lpReturnedDate FROM Checkouts WHERE IsClosed < 1 ORDER BY checkedOutDate";
It's almost as if it's treating the date as a string. Does anybody know why, and how I can correct the issue? I need to use the CONVERT function because I don't want the whole 00:00:00 returned with each date. And I say it's the CONVERT function because if I take off the CONVERT on one of the fields such as checkedOutDate and try to sort by it, it sorts correctly.
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Jan 22, 2005
I need to sort by an ntext field, but it won't let me do it.
However, if I cast the field as nvarchar(100), I can use ORDER BY on that.
Is there any reason that this is a bad idea? In my testing, ordering by a converted ntext field was actually *faster* than ordering by an nvarchar (same data in the fields).
Josh
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Jan 13, 2004
ive been having a lot of trouble converting this last line from my access database to sql server. i was hoping someone could help
order by Name, IIF(Risk.Calc like H*, 1, IIF (Risk.Calc like M*,2,3)), Risk.Chance*risk.cons DESC, risk.title
any suggestions?
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Sep 25, 2006
I am trying to convert my datetime to 107 ex: Dec 11 2006 ,but when sorting I get the months sorted correctly but not by year????
ex:
Jan 2004
Feb 2001
Mar 2006
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Jan 8, 2004
Hi,
What would be the Syntax in a SELECT statement to convert a Null Value to 0,
ie,
SELECT RowID, Amount FROM TableA
and Amount is a smallmoney field. For example it is coming back with:
RowID Amount
1 2.3000
2 15.0300
3 NULL
4 7.8900
But I want it to return:
RowID Amount
1 2.3000
2 15.0300
3 0.0000
4 7.8900
Thanks
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Apr 13, 2004
I am trying to convert a value of null to 0. Can I do ot in the VIEW i created. I am calling from the VIEW from a query on my page and using a datareader to populate a datagrid. The error I get isOperator is not valid for type 'DBNull' and type 'Decimal'.
<<itemtemplate><%# String.Format("<font color="darkred">{0:c}</font>", (DataBinder.Eval(Container.DataItem, "MyDecimal"))*(DataBinder.Eval(Container.DataItem, "price"))) %>
Line 81: </itemtemplate>
Line 82: </asp:templatecolumn>
Thanks for any help
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Jul 23, 2005
I have created a SQL Stored Procedure that uses a Case statement todetermine the Order By. For one of the Case statements I am trying toturn a Char field into Datetime in for the Order By, however I can notget it to work. Can someone please take a look and my code below andtell me what I am doing wrong. Thank you.ORDER BYCASE WHEN @SortBy = 'dttm_stamp' THEN dttm_stamp End,CASE WHEN @SortBy = 'Event_Date1' THEN CAST(CONVERT(char(10),Event_Date1,101) as datetime) End,CASE WHEN @SortBy = 'FullName' THEN Emp_lastname + ', ' +Emp_firstname End,CASE WHEN @SortBy = 'FullName Desc' THEN Emp_lastname + ', ' +Emp_firstname End DESC,CASE WHEN @SortBy = 'Emp_SSN' THEN Emp_SSN End
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May 12, 2004
I want all the null (blank) values returned by a stored procedure to be shown as a string like "n/a", how to do that easily? Thanks
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Jun 7, 2007
I am loading a flat file to a table but I also need to scrub the data a bit before the data hits the table. The main update required is converting a dot (.) character to a null value. The source file is using this character to indicate a blank. I know I can use the Dervived Column Transformation, but I have quite a few columns which will take a while to manually configure. Is there another transformation option that anyone can point me to?
Thanks
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Sep 3, 2015
I have an SSIS package that imports data from an Excel file, replaces any value in Excel that reads "NULL" to "", then writes the data to a couple of databases.
What I have discovered today, is I have two columns of dates, an admit date and discharge date column, and what I need to do is anywhere I have a null value in the discharge date column, I have to replace it with the value in the admit date column.Â
I have searched around online and tried a few things using the Replace funtion in Derived columns but no dice so far.Â
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Feb 12, 2014
I want to add $ symbol to column values and convert the column values to western number system
Column values
Dollar
4255
25454
467834
Expected Output:
$ 4,255
$ 25,454
$ 467,834
My Query:
select ID, MAX(Date) Date, SUM(Cost) Dollars, MAX(Funded) Funding from Application
COST is the int datatype and needs to be changed.
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Feb 19, 2008
Note the code below, running on the version noted.
I just found this today, figured I'd share. Not sure if it's a known bug or a "special" feature. The only difference between the two queries is the 3rd line, everything else is the same. Notice that the sort order changes, yet no errors or warnings are given. I assume that the table aliases are ignored for the order by, unless there are duplicate column names in the results.
I abstracted this from a bug I discovered in one of my apps today, where I have sales reps assigned to their clients with start and end dates. A while back, a developer asked me to format the dates without the time portion, and when I did so, I introduced the problem. I resolved it temporarily by ordering by convert(datetime, startdate) but I found it strange that the column alias match overrides the table alias attempted match in the order by. Another way to get around this would be to change the column aliases, then the sort order would be as desired, but I didn't want to have to change the app code for something so trivial.
My apologies if this is a duplicate.
@@version = Microsoft SQL Server 2005 - 9.00.3054.00 (X64) Mar 23 2007 18:41:50 Copyright (c) 1988-2005 Microsoft Corporation Standard Edition (64-bit) on Windows NT 5.2 (Build 3790: Service Pack 2)
select convert(varchar(10), table_alias.startdate, 101) as startdate,
convert(varchar(10), table_alias.enddate, 101) as enddate
from
(
select convert(datetime, dateadd(mm, -4, getdate()-1)) as startdate, convert(datetime, dateadd(mm, -4, getdate())) as enddate
union
select convert(datetime, dateadd(mm, -3, getdate()-1)) as startdate, convert(datetime, dateadd(mm, -3, getdate())) as enddate
union
select convert(datetime, dateadd(mm, -2, getdate()-1)) as startdate, convert(datetime, dateadd(mm, -2, getdate())) as enddate
union
select convert(datetime, dateadd(mm, -1, getdate()-1)) as startdate, convert(datetime, dateadd(mm, -1, getdate())) as enddate
union
select convert(datetime, getdate()-1) as startdate, convert(datetime, getdate()) as enddate
) as table_alias
order by table_alias.startdate
select convert(varchar(10), table_alias.startdate, 101) as startdate,
convert(varchar(10), table_alias.enddate, 101) as enddate,
table_alias.startdate, table_alias.enddate
from
(
select convert(datetime, dateadd(mm, -4, getdate()-1)) as startdate, convert(datetime, dateadd(mm, -4, getdate())) as enddate
union
select convert(datetime, dateadd(mm, -3, getdate()-1)) as startdate, convert(datetime, dateadd(mm, -3, getdate())) as enddate
union
select convert(datetime, dateadd(mm, -2, getdate()-1)) as startdate, convert(datetime, dateadd(mm, -2, getdate())) as enddate
union
select convert(datetime, dateadd(mm, -1, getdate()-1)) as startdate, convert(datetime, dateadd(mm, -1, getdate())) as enddate
union
select convert(datetime, getdate()-1) as startdate, convert(datetime, getdate()) as enddate
) as table_alias
order by table_alias.startdate
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Feb 14, 2008
Is there any way to make a column to accept NULL but stores it as default value of Column Property?
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