Null Date Value In SQL Server View
May 24, 2007
I have a SQL Server View. The problem is that the DateTime field has many Null values which is causing a problem with my parsing of the data in MSAccess.
How would I use CAST (or CONVERT) to handle Null Date values in my SQL Server view?
I remember there was a way to use CAST or CONVERT similar to the nz type function in MSAccess to handle null date values but I can't remember the syntax. What is happening now is that I get a data mismatch in my MSAccess function when it hits a Null Date value. Can I somehow use the ISNULL or ISDate function? I believe I need to somehow return "" instead of Null.
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Jul 23, 2005
I am looking to create a constraint on a table that allows multiplenulls but all non-nulls must be unique.I found the following scripthttp://www.windowsitpro.com/Files/0.../Listing_01.txtthat works fine, but the following lineCREATE UNIQUE CLUSTERED INDEX idx1 ON v_multinulls(a)appears to use indexed views. I have run this on a version of SQLStandard edition and this line works fine. I was of the understandingthat you could only create indexed views on SQL Enterprise Edition?
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May 1, 2014
I have the following view.
The column prod_Master.M2_Pct is defined as float.Yet for some of the rows, the value in [% of Total Target] comes up as null even though there is a number in prod.Measure column. There is valid non-null data in prod_Master.M2_Pct.
I tried LTRIM(RTRIM(prod.Measure)), but no change.
Use ProdDB
SELECT TOP (100) PERCENT dbo.prod.ProdNo AS [Prod No], dbo.prod.ProdName AS [Prod Name],
CASE WHEN dbo.prod.Measure = 'P1' THEN dbo.prod_Master.P1_Pct
WHEN dbo.prod.Measure = 'P2' THEN dbo.prod_Master.P2_Pct
WHEN dbo.prod.Measure = 'P3' THEN dbo.prod_Master.P3_Pct
WHEN dbo.prod.Measure = 'P4' THEN dbo.prod_Master.P4_Pct
[code]....
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Jul 29, 2015
My goal is to select values from the same date range for a month on month view to compare values month over month. I've tried using the date trunc function but I'm not sure what the best way to attack this is. My thoughts are I need to somehow select first day of every month + interval 'x days' (but I don't know the syntax).In other words, I want to see
Select
Jan 1- 23rd
feb 1-23rd
march 1-23rd
april 1-23rd
,value
from
table
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Jan 17, 2005
I want to concat strings such that if one string is null, it is treated as an empty string. For example 'abc' + NULL = 'abc'.
SQL Server has the CONCAT_NULL_YIELDS_NULL defaulted to ON, and it needs to be on in most cases when dealing with indices. (INSERT, DELETE, UPDATE, etc.) However, when I am running a select, and one field has a null value, I still want to see the other fields in the resulting string.
I can do this in a function, but I need a view, and the view doesn't seem to let me save a command with 'SET' in it. (However, it does let me run the command! And it works!) It's just when I try to save it, I get a syntax error, so the view is unavailable to me as I want it.
The command that works, but won't save is:
PHP Code:
SET CONCAT_NULL_YIELDS_NULL OFF
SELECT t1.field1+'-'+'t2.field2 AS viewField
FROM table1 t1 INNER JOIN
table2 t2 ON t1.fk1=t2.pk2
The tables look like this:
Table1
PHP Code:
create table user.dbo.table1
(
pk1 int primary key,
fk1 int,
field1 varchar(32),
FOREIGN KEY fk1 REFERENCES table2 (pk2)
)
Table2
PHP Code:
create table user.dbo.table2
(
pk2 int primary key,
field2 varchar(32)
)
table1
PHP Code:
pk1 fk1 field1
1 1 'test1'
2 2 'test2'
3 1 'test3'
table2
PHP Code:
pk2 field2
1 NULL
2 'tab2 test'
I expect to see:
PHP Code:
ViewField
test1-
test2-tab2 test
test3-
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Sep 15, 2015
I am creating a view and want to select records where the value of a Customer field (Klant Test Plan) is NULL or has exact the same value as for example customer field 2 (Klant Schedule).
I have already the code below:
SELECT DISTINCT
TOP (100) PERCENT dbo.Product.ERPKey, dbo.TestPlan.CoA, dbo.TestMethod.WorkInstruction, dbo.Customer.Name AS [Klant Testplan],
Customer_1.Name AS [Klant Schedule], LEFT(dbo.ShopFloor.ShopFloorNumber, 7) AS Schedule,
CASE WHEN Customer_1.Name = 'ItsMe BV' THEN Customer.Name ELSE Customer_1.Name END AS Customer
FROM dbo.Customer AS Customer_1 INNER JOIN
[Code] ....
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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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Jul 20, 2004
Hi,
I have a problem with a SQL that check if a date column IS NULL.
On one server the check work ok but on another (the same data is on both - restored copy) the check does not find any NULL values.
If check where datecolumn =convert(datetime,'9999-12-31 23:59:59.000',121) I get the same result as when checking for NULL in the other.
Is there any parameter set somewhere that tell the server to return a value even if NULL is stored in the database?
thank you for reading,
YakoBay
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May 28, 2008
My tests have shown that if you use BCP to import records with a
date field as " ", it won't work.
Is there a way to get BCP to accept empty date fields?
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Sep 24, 2013
I have 3 dates one of them could be NULL . I do not want my min to display it as NULL.Below is my script. Is there a way I could do it?
select Order_id, customer_id, date_1, date_2, date_3
into #temp1
from ##Temp_dates (nolock)
Select Case when (date_1 < date_2 and date_1< date_3) then date_1
when (date_2< date_1 and date_2< date_3) then date_2
[code]...
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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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Jan 11, 2007
How can i write a condition for like isdate(Fields!DueDate.value)
I tried isdate but i am getting an error message. what is the equivalent for isdate in sql server reporting services formula fields or calculated fields expression.
Thank you very much for the information.
*********************************************
=IIF(isdate(Fields!DueDate.Value), ................
********************************************
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May 30, 2006
Visual Basic 2005 Professional Edition:
I have an SQL database table that includes a BirthDate field. I would like to have this field as optional when adding a record, but, SQL insists on throwing an exception if the field is null.
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Nov 23, 2006
hi am am very new to sql and im finding it really hard to do parts of my assignment.
some of the questions i am struggeling on are
Which employees were hired in March?
Which employees were hired on a Tuesday?
Show details of employee hiredates and the date of their first payday.
(Paydays occur on the last Friday of each month) (plus their names)
Refine your answer to 7 such that it works even if an employee is hired after the last Friday of the month (cf Martin)
can anyone help?
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Dec 11, 2007
hi all!I have a task, for example, to create a record for bill. I have table which represents this bill entity (Bill_ID, Amount, CreationDate, ExposureDate, PaymentDate)In table definition date fields allow null. I would like to create bill, which means insert record: (new_bill_id, 1000, 2007.12.11, null, null) But it couses exception. Smth like: System.Data.SqlTypes.SqlTypeException, date should be not null. How could I do it?Please advice!
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Jan 9, 2008
I am trying to write a Stored proc to retrieve only records from my table tat do not have a DateTime value ie DateTime is NULL and for some reason simply adding a DateRemoved = NULL does not work. Can anyone please help me with solution to this issue please??? Thanks in Advance
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Oct 31, 2004
how can i pass null value to database? date is not required field in my database. i can pass default date but i think default date is not good in my case as it is DOB of a customer.
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May 8, 2001
Hi , I need to compare two date fields in two different tables.One of the field is varchar(8) and other is dateime.When there is a date in one field and NULL in other field , how do I compare these two vales?
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Jun 30, 2000
I would like some suggestions on how to keep from displaying the value "1/1/1900" on my asp pages when my recordset field returns a Sql date value that is null
Thanks for any tips
Jim
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Apr 19, 1999
I know I am missing something basic, here.
I have a date field in a table. The field is 'allowed Nulls'. When a certain thing happens in the program, the date is filled in.
At various times, I need to do a query to find all the rows that have no dates entered.
What do I use in my where clause? SQL server does not like 'where date = null.'
Thanks,
Judith
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Jul 10, 2013
I'm trying to construct code that will return the last non-NULL value in a column containing daily records.
For E.G. I want to know what the LAST value of Description field when it is not NULL, AND the Date is within the range t=1 to t=5 => i.e. "Dog" in the below example:
Date Description
1 NULL
2 NULL
3 Cat
4 Cat
5 Dog
6 NULL
7 NULL
8 Mouse
9 NULL
10 NULL
How this can be achieved?
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Oct 23, 2007
Hi,
I created a function class in "Script Components" to convert an Integer to a Date data type. It works good except that it converts NULL value to the date 1988-12-31; but I want to return NULL when the value is NULL. Any idea on this?
Here is my function:
Public Class ScriptMain
Inherits UserComponent
Private Function ConvertToDate(ByVal dateIn As Double) As Date
Dim DateStr as String
...........
...........
If DateStr Is Nothing Then
Return Nothing
Else
Return CDate(DateStr)
End If
End Function
Public Overrides Sub Input0_ProcessInputRow(ByVal Row As Input0Buffer)
Row.ReportDte = ConvertToDate(Row.RPRTDT)
End Sub
End Class
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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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Dec 6, 2007
Hi,
I have an ASP.Net page that needs to sometimes pass a null parameter value to the querystring. It bombes out with an error that a date cannot be "" and that i need to supply the date.
Has any1 been able to get this right? How does one pass a null date through the querystring?
Regards
Mike
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Apr 14, 2006
Let me start by saying that I'm brand new to SQL Server 2005 and SSIS. I'm using the import wizard in SQL2005 to import from a flat file into a table and everything works fine except for dates. A typical date in my flat file is 01-JAN-06. 01 represents the day of the week, JAN represents the month and 06 represents the year. The flat file also contains date values of 00-XXX-00 which represent no date. For example a column containing last purchase date data would look like this:"DateOfLastOrder"
"01-JAN-06"
"02-JAN-06"
"00-XXX-00"
"03-DEC-05"The value of 00-XXX-00 means that there is no purchase date.I want to bring these columns into my table and replace the 00-XXX-00 values with a NULL.
The table Data Type is datetime.
If I use the import wizard using the example above I get this error message:
- Copying to [cpstest].[dbo].[date] (Error)
Messages
Error 0xc0202009: Data Flow Task: An OLE DB error has occurred. Error code: 0x80004005.
An OLE DB record is available. Source: "Microsoft SQL Native Client" Hresult: 0x80004005 Description: "Invalid character value for cast specification".
(SQL Server Import and Export Wizard)
Error 0xc020901c: Data Flow Task: There was an error with input column "DateOfLastOrder" (32) on input "Destination Input" (26). The column status returned was: "The value could not be converted because of a potential loss of data.".
(SQL Server Import and Export Wizard)
Error 0xc0209029: Data Flow Task: The "input "Destination Input" (26)" failed because error code 0xC0209077 occurred, and the error row disposition on "input "Destination Input" (26)" specifies failure on error. An error occurred on the specified object of the specified component.
(SQL Server Import and Export Wizard)
Error 0xc0047022: Data Flow Task: The ProcessInput method on component "Destination - date" (13) failed with error code 0xC0209029. The identified component returned an error from the ProcessInput method. The error is specific to the component, but the error is fatal and will cause the Data Flow task to stop running.
(SQL Server Import and Export Wizard)
Error 0xc0047021: Data Flow Task: Thread "WorkThread0" has exited with error code 0xC0209029.
(SQL Server Import and Export Wizard)
If I remove the 00-XXX-00 values and import something like this:
"DateOfLastOrder"
"01-JAN-06"
"02-JAN-06"
"03-DEC-05"
The import is successfull and the dates look correct in a querry.
SELECT *
FROM date
date
-----------------------
2006-01-01 00:00:00.000
2006-01-02 00:00:00.000
2005-12-03 00:00:00.000
(3 row(s) affected)
Does anyone know how I should go about getting these date columns into a datetime table and convert the 00-XXX-00 values into NULLs?
Thank you,
Ryan
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Feb 19, 2008
In my Excel file the date column contain some nulls. In Data conversion I am converting this Date column as Date[dt_date]. When I run the package it is giving the error Can not convert date to Copy of date.. This error is coming due to nulls in Date column. How to solve this error?
Thanks in advance
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Feb 19, 2008
Hi,
In my Excel file, The Application date column contains empty for some rows. In SSIS I am using one Data Conversion to that Application Date column to change it as Date[dt_Date]. This data conversion is giving error Conversion failed. In Sqlserver table, I declare ApplicationDate column datatype as DateTime.
I want to keep those empty date values as Null in Sqlserver.
I tried the IMEX=1 property still it is not working. How to solve this error?
Thanks in advance.
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Nov 27, 2006
I'm using SQL Server Express and am trying to import a CVS file. The CVS file contains a string field (named DAS) that represents a Date. This field can be null.
I've tried using the DTS Wizard to import this CVS file and convert the DAS field to a Date, which works great until it hits a record with a NULL DAS field. It then throws a convertion error.
Still using the DTS Wizard, I've changed the DataType of the DAS field in the Source file to [DT_DATE], it works fine but all the null dates are converted to 12/30/1899.
Is there a way (DTS Wizard or something else) that will allow me to import these CVS files with null Date fields and keep them as null in SQL Server table.
Thanks for any help,
Jon
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Aug 29, 2006
I want to add custom view so that it show the records that their dateis less than a specific field like "2007/12/25". Dates are saved in DB like "2006/08/29 12:00:00 A.M" nad smalldatetime format in MSSQL.what should I do?
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Aug 10, 2006
plese help
I want to view date dimentions like DD/MM/YY, doen't want to include time.
Thank you
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Jun 6, 2008
quote:Run the view for orders shipped from January 1, 2003 and June 30, 2003, formatting the shipped date as MON DD YYYY.
creating the view:
CREATE VIEW vw_orders
AS
SELECT
o.order_id,
c.customer_id,
c.name AS 'customer_name',
c.city,
c.country,
o.shipped_date
FROM customers c
INNER JOIN orders o ON c.customer_id = o.customer_id
running the view:
SELECT *
FROM vw_orders
WHERE shipped_date between '01/01/2003' and '06/30/2003'
ORDER BY 'customer_name', 'country'
I tried:
in creating view,
shipped_date = CONVERT (char(12) , o.shipped_date, 107 )
then run a view as result:
quote:order_id customer_id customer_name city country shipped_date
---------- ---------------------------------------------------------- ---------------- -------------------- ------------
what should i do?
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Oct 1, 2007
I am trying to incorporate a few columns into a view that each shows a certain value based on a logged datetime specific to the value. Unfortunately, the logtimes are accurate down to milliseconds, and each value has it's own logtime. (They're suppsoed to log at midnight, but sometimes log a few seconds early or late).
I want to be able to round up to 00:00:00 if it's 23:59:59 and down to the same time if it's 00:00:01. I can't very well just drop the time component because if a device logged at 00:00:01 on Aug 4 for the Aug 3rd average, and 23:59:59 for the Aug. 4rd data, then I'd have two Aug 4th values and zero Aug. 3rd values.
Additionally, I need to keep this in a datetime format for reporting purposed in Crystal Reports.
Am I asking too much?
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Jul 20, 2005
How to get the date a view was last modified? (As opposed to created)
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