Exclude Row If A Particular Field Is Null

Jun 12, 2008

Is there any way of excluding an entire row if a particular field contains a null value? Even if other fields in the row aren't null... 
 
This is in SQL Server 2005 

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How Do I Exclude Null Fields?

Apr 28, 2006

Is there a way to write a select statement that will pull only fields that are not null?

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How To Exclude Null Data?

Apr 28, 2006

I'm new to MS SQL server. Is there a select statement that will include fields that are not null?

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Reporting Services :: How To Exclude NULL From SUM In Charts

May 15, 2015

I have some data from SQL server which contains NULL values for certain fields. I have to create a chart with sum of a field. There is no category and series groups, we are just showing the total sum of a field in chart. Since I have NULL in my source data, nothing is displayed in the chart. I cannot exclude this record  from dataset as I have to use this record for other charts. I have to do some filtering in the chart area itself. I have given IsNothing() in the filter of chart properties. It does not work for me. Even I tried to give IsNothing() in the exp of  Sum() .

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Exclude NULL-Values Directly From ADSI-SELECT

Jun 28, 2007

Hi all,



is it possible to exclude empty records from an ADSI QuerySelect?



I got a query like




Code SnippetSELECT objectGUID FROM OpenQuery(ADSI, 'SELECT objectGUID FROM ''LDAP://DC=whatever,DC=domain,DC=org'' where objectClass = ''User'' AND objectCategory = ''Person''')



and would like to have it like




Code Snippet

SELECT objectGUID FROM OpenQuery(ADSI, 'SELECT objectGUID FROM ''LDAP://DC=whatever,DC=domain,DC=org'' where objectClass = ''User'' AND objectCategory = ''Person'' AND homeDirectory IS NOT NULL')

or


Code SnippetSELECT objectGUID FROM OpenQuery(ADSI, 'SELECT objectGUID FROM ''LDAP://DC=whatever,DC=domain,DC=org'' where objectClass = ''User'' AND objectCategory = ''Person'' AND NOT(homeDirectory = NULL) ')



The problem is that I can only perform a query like




Code SnippetSELECT objectGUID FROM OpenQuery(ADSI, 'SELECT objectGUID FROM ''LDAP://DC=whatever,DC=domain,DC=org'' where objectClass = ''User'' AND objectCategory = ''Person'' AND NOT(homeDirectory = '''')')



which results in the error

"Could not fetch a row from OLE DB provider 'ADSDSOObject'."



There are many objects which do have a homedirectory, though, and therefore should be fetched.



Any comments or hints on where my error hides?



I know I could go on fetching all objects and exclude the unwanted ones later on but I'd simply run into the limitation of data records LDAP would provide me with.

Thanks in advance!



Regards,

caracol

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How Do I Exclude Carriage Returns As Part Of A IS NULL Exclusion Clause...

Jan 6, 2005

Hi

I have stupid users... who doesn't?! They have entered carriage returns as a whole value in some fields, that is, the field contains nothing more than a carriage return.

I really need to treat these cases as nulls and have successfully removed whole fields of nothing but spaces by using the LTRIM(RTRIM()) construct. Unfortunately, this doesn't deal with carraige returns. Even CASTing and CONVERTing to varchar and then using LTRIM(RTRIM()) doesn't work.

Does anyone know how I can elegantly get around this problem other than my best guess below:

Best guess pseudo code:
IF count of field is greater than 1 THEN probably a full sentence so ignore ELSE SUBSTRING first character and if CHAR(10, etc) then treat as NULL.

Here's some code that reconstructs the problem:
select datalength(char(13)) CarriageReturnVisible
, datalength(ltrim(rtrim(cast(char(13) as varchar)))) [This Don't Work]


Cheers - Andy

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SQL Server 2012 :: Exclude NULL Values From Select Statement

Feb 4, 2014

I wrote a select statement, I only want to see orders with max lastUpdatedOn date of 14 days and older. Now my results show dates with all orders of 14 days and older (which is OK), but all others are displayed in the "Uitgifte" column as "NULL". But those orders should not be displayed at all.

selectdistinct ProductionHeader.ProdHeaderOrdNr,
ProductionHeader.PartCode,
ProductionHeader.Description,
ProductionHeader.Qty,
(select max (ProdStatusLog.ProdStatusCode)

[code]...

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Pass In Null/blank Value In The Date Field Or Declare The Field As String And Convert

Dec 30, 2003

I need to pass in null/blank value in the date field or declare the field as string and convert date back to string.

I tried the 2nd option but I am having trouble converting the two digits of the recordset (rs_get_msp_info(2), 1, 2))) into a four digit yr. But it will only the yr in two digits.
The mfg_start_date is delcared as a string variable

mfg_start_date = CStr(CDate(Mid(rs_get_msp_info(2), 3, 2) & "/" & Mid(rs_get_msp_info(2), 5, 2) & "/" & Mid(rs_get_msp_info(2), 1, 2)))

option 1
I will have to declare the mfg_start_date as date but I need to send in a blank value for this variable in the stored procedure. It won't accept a null or blank value.

With refresh_shipping_sched
.ActiveConnection = CurrentProject.Connection
.CommandText = "spRefresh_shipping_sched"
.CommandType = adCmdStoredProc
.Parameters.Append .CreateParameter("ret_val", adInteger, adParamReturnValue)
.Parameters.Append .CreateParameter("@option", adInteger, adParamInput, 4, update_option)
.Parameters.Append .CreateParameter("@mfg_ord_num", adChar, adParamInput, mfg_ord_num_length, "")
.Parameters.Append .CreateParameter("@mfg_start_date", adChar, adParamInput, 10, "")
Set rs_refresh_shipping_sched = .Execute
End

Please help

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Null In Bit Field?

Jan 19, 2000

sorry, this is probably a really basic question ..........

is there any way to enable the bit data type in SQL Server to accept nulls?


thanks

nyoobee

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How To Add NULL To INT Field

Jun 12, 2007

Hi all,

I have a table, named systems, with fields as follows.

field datatype
___________________
system varchar(50)
modelID int
.... ....
... .... etc...

The modelID field is related to the Models table. Therefore, the value it expects is a number that already exists in a Models.modelID field.

In the systems table, I allow nulls for the model ID field. If I edit the table directly through SQL front end it allows me to enter a system name for example and leave modelID value as NULL.

My problem occurs when I try inserting into the table from ASP. Whether I leave the value I'm passing to the stored procedure for insert blank or NULL it gives me problems.

Is this a typical issue that can be resolved with a simple property change?

Please help me resolve this, I need to have the ability to leave certain fields empty even though they are related to other tables. Is that possible?

Thank you for any help in advance.

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How To Set A Field Value To Null

Mar 26, 2014

I have a column called person.last_name, and I want to set this field to NULL if person.last_name ='test'///

I have tried this but don't work: ISNULL ({person. last_name},'<>"test'))

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Apr 22, 2007

May i know how to generate a SQL query to set a field of row to Null? Thank you.

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Null For A Datevalue Field

Mar 26, 2008

Hello all,
Can some one help me with this issue.  It seems to be a common question and I have tried a lot of options but nothing seems to work for me. 
I have a text box and this is linked to ajax calendar extender.  They get a date and I am inserting/updating the date in a sql 2000 database using a stored procdure.
This is the code I use to grab the data from my web form 
If txtTrimsEntryDate.Text = String.Empty Then
_oTrim.TrimsEntryDate = System.Data.SqlTypes.SqlDateTime.Null
Else_oTrim.TrimsEntryDate = CDate(txtTrimsEntryDate.Text)
End If
If txtEstCompletion.Text = String.Empty Then
_oTrim.EstCompletionDate = System.Data.SqlTypes.SqlDateTime.Null
Else_oTrim.EstCompletionDate = CDate(txtEstCompletion.Text)
End If
If txtProjectClosedDate.Text = String.Empty Then
_oTrim.CloseDate = System.Data.SqlTypes.SqlDateTime.Null
Else_oTrim.CloseDate = CDate(txtProjectClosedDate.Text)
End If
_oTrim.InsertOrUpdateAProject()
 
 
This is the code for the stored Procedure
Dim oSql As clsSqlServer = Nothing
oSql = New clsSqlServer(AppSettings(_dbName))oSql.AddParameter("@projTrimsEntryDate ", _trimsEntryDate, SQLDataType.SQLDateTime, ParameterDirection.Input)
oSql.AddParameter("@projStartDate", _startDate, SQLDataType.SQLDateTime, ParameterDirection.Input)oSql.AddParameter("@estCompletionDate", _estCompletionDate, SQLDataType.SQLDateTime, ParameterDirection.Input)
oSql.AddParameter("@closeDate", _closeDate, SQLDataType.SQLDateTime, ParameterDirection.Input)
 Now when it inserts or updates if the value is null then it inserts "01/01/1900" in the database.  I want the value to be Null in database.
Is there a way to do this.   
 
 
 
 

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How To Write Where For Field That Can Be NULL Or Int

Jan 31, 2005

There must be a better way to write this where clause. Can somebody help

if @id is null
begin
(bla bla bla) where parentid is null
end
else
begin
(bla bla bla) where parentid = @id
end

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T-SQL (SS2K8) :: Always Set A Field To NULL

Jan 26, 2015

I would like to force a column to be null all the time. I cannot alter the table structure or alter the code that inserts data.

create table dbo.tblCustomer
(
CID int IDENTITY(1,1) not null,
Fnamevarchar(20) not null,
Lnamevarchar(20) not null,
Extravarchar(20) null

[Code] ....

So when this is executed the field Extra is always NULL

INSERT INTO tblCustomer (Fname, Lname, Extra)
VALUES ('bob', 'smith', 'ignore'), ('jane', 'doe', 'empty')
update dbo.tblCustomer set Extra = 'something'

If I've understood After triggers correctly the data will be written and the trigger will fire and overwrite. To avoid 2 writes

I could create an INSTEAD OF trigger

CREATE TRIGGER TR_I_Customer
ON tblCustomer
INSTEAD OF INSERT AS
BEGIN
SET NOCOUNT ON
INSERT INTO tblCustomer
(Fname, Lname, Extra)
SELECT Fname, Lname, NULL
FROM Inserted
END

This will not write the "extra" field twice. However if a new Nullable column were added; it would be v.easy to forget to update the Instead Of trigger. Everything would still work OK but I would be effectively ignoring the new column as well.

What I would like in the instead of trigger is do something like this...

UPDATE INSERTED SET Extra=NULL

Continue with insert without supplying column /value list.

What would be the best way of achieving this, trigger is the only way I could think of?

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May 28, 2008

My tests have shown that if you use BCP to import records with a
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Is there a way to get BCP to accept empty date fields?

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Sep 4, 2003

Using an SQL server and writing ASP code trying to set a numeric field to null.
ie ssql = "UPDATE users SET customer_id = null where name = 'Joe'"

Keeps on generating a syntax error

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Sep 20, 2006

ad1 ad2
-----------------------------
younge joe
null null
youn null

want a result like that. anyone can help me to do it?


ad1+ad2
-----------------------
younge joe
null
youn

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Doing A 'between' On A NULL In A Date Field

Mar 29, 2007

Hi everyone,

I have two tables - caseinfo and steps.

Caseinfo shows when a particular case entered and exited a particular project. If the project hasn't ended yet, then the end date is NULL.

Steps shows the steps the case has gone through and the dates of those particular steps.

I need to join the tables to show the steps the case went through during a particular project, but I'm having trouble with the NULL values in the end dates.

If I join the tables so that the step date is between the start and end dates of the project, then I get no step information for the cases where the end date is NULL (that is, where the project hasn't ended yet).

Does anybody have any ideas?

Here are my tables, the query that shows the main idea (with the wrong result), and my expected results.

Thank you for reading.


--- create sample data
set dateformat ymd

declare @caseinfo table (caseid int, startdate smalldatetime, enddate smalldatetime)

insert @caseinfo
select 10, '2006-12-23', '2006-12-27' union all
select 20, '2006-12-23', NULL union all
select 30, '2006-12-23', NULL union all
select 40, '2007-1-15', '2007-3-4'

declare @steps table (caseid int, stepnumber int, stepdate smalldatetime)

insert @steps
select 10, 1, '2006-12-24' union all
select 10, 2, '2007-1-3' union all
select 10, 3, '2007-2-5' union all
select 20, 1, '2006-12-26' union all
select 20, 2, '2007-1-7' union all
select 20, 3, '2007-1-9' union all
select 30, 1, '2007-1-14' union all
select 40, 1, '2007-1-23' union all
select 40, 2, '2007-3-2' union all
select 40, 3, '2007-4-16'

--- the main idea (with the wrong results)

select *
from @caseinfo c
left join @steps s on s.caseid = c.caseid and s.stepdate between c.startdate and c.enddate

--- expected result

declare @expresult table (caseidexp int, startdateexp smalldatetime, enddateexp smalldatetime, stepnumberexp int, stepdateexp smalldatetime)

insert @expresult
select 10, '2006-12-23', '2006-12-27', 1, '2006-12-24' union all
select 20, '2006-12-23', NULL, 1, '2006-12-26' union all
select 20, '2006-12-23', NULL, 2, '2007-1-7' union all
select 20, '2006-12-23', NULL, 3, '2007-1-9' union all
select 30, '2006-12-23', NULL, 1, '2007-1-14' union all
select 40, '2007-1-15', '2007-3-4', 1, '2007-1-23' union all
select 40, '2007-1-15', '2007-3-4', 2, '2007-3-2'

select *
from @expresult

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How Do I Check If A Field Is Null?

Jul 2, 2007

hi guys, I'm using SQLServer 2005 and I was wondering how I check if some variable is null or not? I tryied to do as the code show but it doesn't work:

declare @number int

set @number = (select number from numbers where number_id = 1)

if (@number = null)
begin
set @number = 12
end

Thank you very much

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May 30, 2006

Visual Basic 2005 Professional Edition:

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May 1, 2008


Hello,

After the "DAYS" column, some fields are coming null. We don't want it to come null. Beside this, i.e; in the "MONDAY"column, the same "NAMESURNAME" is coming more then one. How can I do the grouping by "NAMESURNAME"?


MachType DayPeriod Monday Tuesday Wednesday Thursday Friday Saturday
Negative- || NIGHT || NULL || CAN AK || NULL || FÄ°RDEVS ATEÅž || NULL || NULL
Negative- || NIGHT || NULL || NULL || CEM TEK || NULL || NULL || NULL
Negative- || NIGHT || NULL || NULL || NULL || FÄ°RDEVS ATEÅž || MÃœKREMÄ°N EKELÄ°K || NULL
Negative- || NIGHT || NULL || CAN AK || CEM TEK || FÄ°RDEVS ATEÅž || NULL || NULL
Negative- || NIGHT || NULL || NULL || NULL || NULL || ÖMER CANOĞLU || NULL


select MachineType,DAYS,

CASE WHEN DIALYSISDAY= 'MONDAY'THEN NAMESURNAME END AS MONDAY,

CASE WHEN DIALYSISDAY= 'TUESDAY' THEN NAMESURNAME END AS TUESDAY,

CASE WHEN DIALYSISDAY= 'WEDNESDAY' THEN NAMESURNAME END AS WEDNESDAY,

CASE WHEN DIALYSISDAY= 'THURSDAY' THEN NAMESURNAME END AS THURSDAY,

CASE WHEN DIALYSISDAY= 'FRIDAY' THEN NAMESURNAME END AS FRIDAY,

CASE WHEN DIALYSISDAY= 'SATURDAY' THEN NAMESURNAME END AS SATURDAY

from

(SELECT SICK.MACHINETYPE,SICK.NAMESURNAME ,

CASE

WHEN SUBSTRING(DAYPERIOD, DATEPART(dw, SEANCE.SEANCEDATE), 1)= 'N' THEN 'NIGHT' ELSE '' END AS DAYS,

CASE

WHEN SICK.MACHINETYPE= 1 THEN 'Negative-'

WHEN SICK.MACHINETYPE= 2 THEN 'B(+)'

WHEN SICK.MACHINETYPE= 3 THEN 'C(+)B(+)'

WHEN SICK.MACHINETYPE= 4 THEN 'C(+)' END AS MachineType,

CASE

WHEN (DATEPART(dw, SEANCE.SEANCEDATE)) = 1 THEN 'MONDAY'

WHEN (DATEPART(dw, SEANCE.SEANCEDATE)) = 2 THEN 'TUESDAY'

WHEN (DATEPART(dw, SEANCE.SEANCEDATE)) = 3 THEN 'WEDNESDAY'

WHEN (DATEPART(dw, SEANCE.SEANCEDATE)) = 4 THEN 'THURSDAY'

WHEN (DATEPART(dw, SEANCE.SEANCEDATE)) = 5 THEN 'FRIDAY'

WHEN (DATEPART(dw, SEANCE.SEANCEDATE)) = 6 THEN 'SATURDAY' END AS DIALYSISDAY

FROM SEANCE,SICK WHERE SUBSTRING(DAYPERIOD, DATEPART(dw, SEANCE.SEANCEDATE), 1)= 'N' and

SUBSTRING(SICK.EUCLID,1,5)= '18016' AND SEANCEDATEBETWEEN '20080301' AND '20080307'

AND SICK.EUCLID=SEANCE.EUCLID )AS T ORDER BY MachineType

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Jul 2, 2007

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here is my code
If cell_phone.Text = "" Then
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End IfDim mySqlConnection As New SqlConnection
mySqlConnection.ConnectionString = ConfigurationManager.ConnectionStrings("Call_ListConnectionString").ConnectionString
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mySqlConnection.Close()
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Mike
 

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Aug 17, 2007

I have a datetime field in a database which I am programmatically inserting values into. The field can be null or not null. However, I am having problems inserting NULL as part of my SQLCommand.
The value is pulled from a text box (linked to a calendar extender) and when I select a value it is being inserted fine. If I just leave the box blank though, I want the field to be set to NULL. I have tried adding in ,DBNULL.Value, as part of my VALUES(…) string, but this throws an exception. I Have tried just inserting ‘’ but that also throws an exception (“The conversion of a char data type to a datetime data type resulted in an out-of-range datetime valueâ€?), so I don’t know how I can insert this value when the field is blank? 
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Dec 11, 2007

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Feb 9, 2008

Hi,
 All records of a table must be deleted if a field (field1) contains NULL or is made empty by a previous update command.
I did this but it only works when the field is made empty, not when it contains NULL:
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Tartuffe

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Feb 27, 2008

Hi,
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Dec 10, 2005

I have the following database structure:

The table aspnet_users, which we all know

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I want to set the value of the iD in one of the entries in the second table to null.

I tried this:
string assigned is null, i am passing this as a method parameter
...............
string queryString = "UPDATE  [table2] SET  AssignedUserId=@assigned WHERE ProblemId = @id";
        System.Data.IDbCommand dbCommand = new System.Data.SqlClient.SqlCommand();
...................
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        dbParam_au_pr.ParameterName = "@assigned";
        if (assigned == null)
        {
            dbParam_au_pr.Value = null;
        }
        else
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            dbParam_au_pr.Value = assigned;
        }
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I also tried using "" instead of null, or not using that "if" statement at all.
I get an error that says:

Parameterized Query '(@id nvarchar(1),@assigned
nvarchar(4000))UPDATE  [tracker_Probl' expects parameter @assigned,
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