SQL 2012 :: Can Default To 0 When Pass NULL Explicitly
Sep 23, 2014
I have a Nullable columns. I want the value to be zero if NULL is passed.
1) having a view for every such table,
2) using ISNULL for needed columns in that view
3) using those view for inserts instead of using tables directly.
This way i can reduce the number of places to use ISNULL in all my SPs.I dont want to make it to NOT NULL, as my application impact will be high. And Default constraint does not work here.
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Sep 20, 2014
The following t-sql 2012 works fine in sql management studio. However when I place it in a .net 2010 web form application, I am told the sql does not work when the parameter values are null. Thus can you tell me what I can change in the sql below that will accept null as 3 possible input values?
SELECT i.[lastName]
,i.[firstName]
,i.[middleName]
,i.[suffix]
,a.[userid]
[code]...
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May 3, 2007
I have a report that is run on a monthly basis with a default date of null. The stored procedure determines the month-end date that it should use should it be sent a null date.
The report works fine when I tell it to create a history entry; however, when I try to add a subscription it doesn't appear to like the null parameter value. Since I have told the report to have a default value of null it doesn't allow me to enter a value on the subscription page.
Now, I suppose I could remove the parameter altogether from the stored proc, but then the users would never be able to run the report for a previous time period. Can someone explain to me why default values aren't allowed to be used on subscriptions when they seem to work fine for ad hoc and scheduled reports? This is really quite frustrating as most of my reports require a date value and default to null so that the user doesn't have to enter them for the latest data.
An internal error occurred on the report server. See the error log for more details. (rsInternalError) Get Online Help
Key cannot be null. Parameter name: key
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Aug 3, 2005
hi,my structure table in database:Amount float(53) not null default 0when i try to run his script:alter table ABC alter column Amount float(53) nullit can only set the Amount to allow null, but can't set the defaultvalue to empty.anyone know how to set the field to allow null and default set toempty, no value.thanks
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Aug 11, 2015
@pvColumnName VARCHAR(100) = Default,
However, I am unable to determine what is the value for Default. Is it '' ?
Default is not permitted as a constant - below fails to parse:
WHERE t2.TABLE_TYPE = 'BASE TABLE'
AND (@pvColumnName = Default OR t1.[COLUMN_NAME] Like @vColumnName)
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Aug 2, 2015
I have 595 default constraints in my database. I can return a list of them using the following:
select * from sys.default_constraints
Is there a way I can return a list of just the ones where NULL is still allowed? I want to update all of the columns with a default value to not allow NULLs.
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Dec 11, 2006
How can I pass NULL to a parameter, if now entry is made in the textbox?
Dim KeywordParam As New SqlParameter("@Keyword", Me.KeyWordText.Text)
MyCommand.Parameters.Add(KeywordParam)
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Jun 4, 2008
hi i am using formview
i have a date field textbox which selects date from ajax calender
now my point is when i make this field blank
at that time in my gridview rather then displaying the date field blank
it shows me the value 1 Jan 1900
this is the default date of sqlserver which it returns when we leave the field ''
now when i pass the value null it automatically takes it as ''
in my class file my function is
public object checkdate(TextBox txtdate) { if (txtdate.Text == "") { return null; } else { return txtdate.Text; } }
in my cs file i wrote object checkemptydate = obj.checkdate(nextvaccinationdate);
string values = patientID + ",'" + vaccination + "',convert(varchar,'" + vaccinationdate + "',106)," + checkemptydate + ",'" + remarks + "'";
note that i even tried this too
string values = patientID + ",'" + vaccination + "',convert(varchar,'" + vaccinationdate + "',106)," + null + ",'" + remarks + "'";
and
string values = patientID + ",'" + vaccination + "',convert(varchar,'" + vaccinationdate + "',106),convert(varchar,'" + checkemptydate + "',106),'" + remarks + "'";
but nothing is working it passes '' not null
how could i solve this problem?
shweta
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Feb 12, 2014
I would like to know if it's possible to pass NULL value to the database. I want to update a column, a parameter has to be passed in to do so, i.e @value = '123'. but if there were no parameter value, i.e @value = '', I want to the value in the database to be NULL. I don't want to pass (''). can this be achieved?
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Feb 17, 2006
How to pass a null to SelectParameters in SqlDataSource?
The type of "CreateDate" is DateTime, the following code can be run correctly!
SqlDataSource1.SelectParameters["CreateDate"].ConvertEmptyStringToNull = true;SqlDataSource1.SelectParameters["CreateDate"].DefaultValue = "2006-11-12";
now I hope to pass null value to the Parameter "CreateDate", but the following 3 section codes don't work!
SqlDataSource1.SelectParameters["CreateDate"].ConvertEmptyStringToNull = true;SqlDataSource1.SelectParameters["CreateDate"].DefaultValue = string.Empty;
or
SqlDataSource1.SelectParameters["CreateDate"].ConvertEmptyStringToNull = true;SqlDataSource1.SelectParameters["CreateDate"].DefaultValue =null;
or
SqlDataSource1.SelectParameters["CreateDate"].ConvertEmptyStringToNull = true;SqlDataSource1.SelectParameters["CreateDate"].DefaultValue = "";
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Sep 23, 2007
I'm developing a web app using VS2005. I have a webpage with panel containing a gridview populated by a SQLdatasource. The SQLdatasource in turn is populated by a stored procedure that can take up to 5 parameters. The user types in up to 5 separate words (searchterms) in a text box which are then parsed and passed to the stored proc in the datasource which performs a fulltext search. The gridview then becomes visible. My problem is that unless the user types in 5 searchterms (no less), the gridview returns zero rows. 5 searchterms returns the proper results. Somehow, I need to be able to pass in null or empty values for unneeded parameters.
I've tested the stored procedure in Query Analyzer and from within the SQLdatasource configuration (using Test Query) using 0 up to 5 parameters and it works fine, so that's not my problem. Here's the code that runs after the user types in their search term(s) and presses a button:Public Sub FTSearch_Command(ByVal sender As Object, ByVal e As CommandEventArgs) Handles btnFullText.Command
Dim x As Integer
pnlFullText.Visible = Falsefiltertext = Replace(txtSearchTxt.Text, "'", "''")
If Not filtertext Is Nothing Then
filtertext = filtertext.Trim
Else
Return
End IfDim arrayString() As String = filtertext.Split(" ")
Dim length As Integer = arrayString.LengthFor x = 0 To (length - 1)
If Not arrayString(x) Is Nothing ThenSelect Case x
Case 0 : lblFTParm1.Text = arrayString(0)Case 1 : lblFTParm2.Text = arrayString(1)
Case 2 : lblFTParm3.Text = arrayString(2)Case 3 : lblFTParm4.Text = arrayString(3)
Case 4 : lblFTParm5.Text = arrayString(4)
End Select
End If
Next
pnlFullText.Visible = "True"
End Sub
Any ideas?
Thanks in advance.
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May 11, 2005
sSQL = "spBPT_Fuel_Set_Status_Approved"
cmdDailyPrices.CommandText = sSQL
cmdDailyPrices.Parameters.Add("@user", "Philippe")
cmdDailyPrices.Parameters.Add("@verbose", "0")
cmdDailyPrices.Parameters.Add("@Day_1_add", rowBand1.Cells(DayParameters.AddFactor).Value)
cmdDailyPrices.Parameters.Add("@Day_1_multiply", rowBand1.Cells(DayParameters.MultiplyFactor).Value)
cmdDailyPrices.Parameters.Add("@Day_2_add", "NULL")
cmdDailyPrices.Parameters.Add("@Day_2_multiply", "NULL")
For @Day_2_add and @Day_2_multiply parameters I want to pass the value as NULL not string "NULL"
could you please let me know how to do this?
Thanks
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May 5, 2004
What is the syntax to pass in null value for boolean data type in VB in the stored procedure?
This is what I tried and it doesn't work.
.Parameters.Append .CreateParameter("@disposition", adBoolean, adParamInput, 1, vbNull)
Thank you.
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Jul 12, 2007
Hi there,
I am using SQL Reporting Services to generate reports. I am calling the stored procedure from the reporting services. The procedure has parameters which take null. I am stuck with passing null to the parameter from the reporting services. I shows the error and the report is not generated. Could you please suggest the way to pass null to the stored procedure parameter from the SQL Reporting Services.
Kindly reply me with the possible solution ASAP.
Thanks in advance
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May 31, 2004
How can I pass into the database (@User_fax = null) if the fax form field is empty, from a command type Stored Procedure? For example:
Dim CmdUpdate As New SqlCommand("Form2_NewUser", strConnection)
CmdUpdate.CommandType = CommandType.StoredProcedure
CmdUpdate.Parameters.Add("@User_fax", SqlDbType.char, 9)
CmdUpdate.Parameters("@User_fax").Value = fax.Text()
...
strConnection.open()
CmdUpdate.ExecuteNonQuery
strConnection.close()
And, the stored procedure inside Sql server:
USE market1
GO
ALTER PROC Form2_NewUser
@User_id bigint, @User_fax char(9),...
AS
SET NOCOUNT ON
UPDATE Users
SET User_fax = @User_fax, ...
WHERE User_id = @User_id
SET NOCOUNT OFF
GO
Thank you,
Cesar
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Jan 18, 2008
I'm in sql server mgmt 2005 and i highlighted a stored proc and clicked on "execute". I need to pass a null value in as the first param value to test this stored proc. what is the syntax, is below correct?
EXECUTE @RC = [SomeDataBaseName].[dbo].[sp_SomeStoredProcedure]
null
,'1234'
,1
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Mar 11, 2008
Hi all
How to pass Null parameter in Reporting Services.
Regards
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Jan 13, 2006
Hello,I've been searching the web for quite some time to resolve the problemof "1/1/1900" returning in a datetime field in SQL that resulted from ablank (not NULL) value being passed to it through an ASP page.The solution is that a NULL value needs to passed to SQL from ASP.Thats fine...I understand the why the problem is happening and thesolution around it. HOWEVER, I can't seem to get the proper syntax towork in the ASP page. It seems no matter what I try the "1/1/1900"still results. Below are a few variations of the code that I havetried, with the key part being the first section. Does anyone have anysuggestions?!?!?______________cDateClosed = ""If(Request.Form("dateClosed")= "") ThencDateClosed = (NULL)end ifsql="UPDATE rfa SET "&_"dateClosed='"& cDateClosed &"', "&_"where rfaId='"& Request.Form("RFAID")&"'"_____________________________cDateClosed = ""If(Request.Form("dateClosed") <> "") ThencDateClosed = (NULL)end ifsql="UPDATE rfa SET "&_"dateClosed='"& cDateClosed &"', "&_"where rfaId='"& Request.Form("RFAID")&"'"_____________________________cDateClosed = ""If(Request.Form("dateClosed")= "") ThencDateClosed = NULLend ifsql="UPDATE rfa SET "&_"dateClosed='"& cDateClosed &"', "&_"where rfaId='"& Request.Form("RFAID")&"'"_______________Thanks in advance!!!!
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Dec 3, 2007
Hello,
I have a stored procedure that on two fields it allows null. On the report, I have two DropDownList boxes that are populated with data, however, I would like the user to be able to have the option of not selecting an item from these list, thus passing null to the stored procedure.
When I goto "Report | Report Parameters" I have set these fields to "allow null" and "allow blank" and at the bottom I also gave it the default value of null.
When I run the report in preview mode, those two dropdownlist have a <Select a Value> and my assumption is since I want them to pass null, I will just leave them that way. However, when the report is ran, I receive an error saying "Please select a value for the parameter: (my parameter)". So it forces me to select an option at which I don't want to do.
How can I set this to pass a null?
Thanks,
Flea#
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Apr 23, 2008
I have a table that has a date field that can't be null. When a new record is created, if a date is not passed in, I want the default to be the current date. How can I set that? I tried Now, Today, GetDate, etc. Diane
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Feb 3, 2005
Hi
I have a table with the list of employee and 15 column with data type float or money , that represent the number of hours, airfare,gas,parking food, etc....
I have 2 choice:
-Put 0 as a default value for each column, like that I do not have to use coalesce when I do SUM for each column.
-Leave the default value null but I will have to use coalesce.
In term of performance, what is the best solution?
Thanks
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Aug 10, 2007
If no value is supplied on an insert for an int column that allows nulls, will the value be null or 0 ?
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Aug 1, 2006
I am designing a new table with a few columns that may or may not havea value on each row that is inserted.What issues determine whether to allow a NULL value to be inserted forthat column or define a default value to be used?I want to think through the repercussions of this decision before I getinto production.
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Jan 29, 2008
I have defined 8 varchar columns as not null with default, i.e.
[Namad8] [varchar](40) COLLATE Latin1_General_CI_AS NOT NULL DEFAULT (' '),
I run a script transformation (Flat file source, OLE DB dest) that splits a crlf delimited field an array, and then loads each array element into one of the not null table columns as above. However there may be less than 8 elements present in the input field, which means the remaining columns are not populated.
When I run the data flow task, I get the error
"
Error: 0xC020901C at Capture Assessments, OLE DB Destination 1 [1]: There was an error with input column "Namad8" (24) on input "OLE DB Destination Input" (14). The column status returned was: "The value violated the integrity constraints for the column.".
I know I'm trying to insert a null value into the column, but my understanding was that SQL would default the column to spaces. If I define the column to allow nulls, the data flow works fine.
Any idea what I'm doing wrong here?
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Dec 5, 2007
hi,
I am using sql as a back-end server. My application requires to insert a default string values when the user do not provide any input or if the inpur is NULL. I have used the following code, but the defaul values are not inserted. I am not getting the desired result.
CREATE TABLE Employees1 (
EmployeeName varchar(50),
State char(3) NOT NULL DEFAULT 'NSW' ,
PostalCode int default 2000,
Country varchar(32) NOT NULL default 'Australia');
insert into Employees1 values ('diana', ' ' , 2,' ' )
The output is: EmployeeName State PostalCode Country
diana 2
Can anyone tell me what is that i am missing?
regards
Nongban
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Apr 25, 2001
how can you alter a table so that you can add a default value whenever the field is NULL? for example, whenever the table is brought up in a query, NULL is replaced with UNKNOWN
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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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Nov 13, 2007
Hi,I am using SQL Server 2005 32 bit version. Could any one clarify methe caption database option with some examples? I am quite confusedwith the explanation given in MSDN. Kindly help me.Thanks in Advance.Om Prakash
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Feb 18, 2008
Hello
I've written a stored procedure with 4 parameters
create procedure dummy
( @a int, @b int, @c varchar(50), @d varchar(50))
now from front end(I'm using c#.net)
I want to send the values according to some criteria
So in the process...I've only values for @a & @c ...
so In order to reduce the code of sending Null values explicitly to other parameters...
can't I set like default values for it so that If I don't send values to certain parameters it will have the default value or Null value.
like I want something like this:
create procedure dummy
( @a int NULL, @b int NULL, @c varchar(50) NULL, @d varchar(50) NULL)
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Jul 16, 2006
I have a datatable : Data_Table and a look up table: Lk_table. Myfield that I
use in Inner Join is defined in both the
data and look table.
So I build my query like this:
SELECT * FROM dbo. Data_Table INNER JOIN
dbo. Lk_table ON dbo.Data_Table.MyField = dbo.Lk_table.Myfield
The pb, sometimes I
have myfield still with its default null value in the datatable: Data_Table.
So, I end up getting 0 record when I execute the query shown above.
How do I turn that around so that even if myfield in Data_Table
is Null, I still get the records from Data_Table. (I don t want a set of
records including all possible values from the look up table: Lk_Table)
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Dec 22, 2006
I have a stored procedure with a SELECT statement, that retrieves 1 row.
SELECT name FROM tblNames WHERE nameID = "1"
I want all the NULL values in that row to be change in some default values.
How do I do this?
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Oct 17, 2005
Hello,
I have a BIT column which accepts NULL values.
What would be a good method to allow an INSERT (or UPDATE) statement to insert NULL into this column but then automatically change the NULL to 0 (zero). In other words, test for NULLs after INSERT (or UPDATE) and change the value to 0 (zero).
Not exactly sure how to do this with a Trigger. Also, what is that [Formula] option used for (column properties in the Table Design view)... and would this apply with my problem?
Thanks,
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