How To Update An Empty Date-type Field
May 23, 2006
Hi,
I have update function that updating sql database table.
In the table I have fields like: name, address, phone, …, install_date
updateScreen(txtSName.text, txtSLocation.text, txtSPhone.text, txtSAddress.text, txtSPostal.text, ddSCity.SelectedItem.text, ddSCountry.SelectedItem.text, txtSOwner.text, txtSInstall.text )
The function work fine except the part whent install_date field is empty then I have the following message:
System.InvalidCastException: Conversion from string "" to type 'Date' is not valid.
Ii would like to use the same update function to make an updates even when date field is empty.
If someone has any idea how make it work, I would appreciate that
Alex
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May 17, 2015
I embedded a SQL query in excel that gets some datetime fields like "TASK_FINISH_DATE"Â .
How can I convert a datetime field to a date field in SQL in a way that excel will recognize it as a date type and not a text type?
I tried:
CONVERT(varchar(8),TASK_FINISH_DATE ,3)
CONVERT(Date,TASK_FINISH_DATE ,3)
CAST(TASK_FINISH_DATE as date)
**all of the above returned text objectes in excel and not date objects.
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Oct 17, 2007
I am trying to drag data from Informix to Sql Server. When I kick off the package
using an OLE DB Source and a SQL Server Destination, I get DT_DBDATE to DT_DBTIMESTAMP
errors on two fields from Informix which are date data ....no timestamp part
I tried a couple of things:
Created a view of the Informix table where I cast the date fields as datetime year to fraction(5), which failed.
Altered the view to convert the date fields to char(10) with the hopes that SQL Server would implicitly cast them
as datetime but it failed.
What options do I have that will work?
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Jan 7, 2007
Hi
this is my problem.
mshflexgrid converts date value from dd.mm.yyyy to yyyy-mm-dd or mm.dd.yyyy
When i use JetOLEDB & .mdb file
I can show correctly date type field in mshflexgrid with str() function.
For example
rst.open"Select str(MyDateField) from table
set mshflexgrid.datasource = rst
i can see dd.mm.yyyy ' namely good
when i dont use str() function i see mm.dd.yyyy ' bad version
Now, i'm using SQL server 2000 & mdf file.
mshflexgrid don't show correctly date field ( i want it to be like dd.mm.yyyy ) because i cant use str() function with SQL sever 2000 & mdf file
For example
rst.open"Select str(MyDateField) from table... occur error
When i want to use Convert function in SQL server 2000 & mdf file
it automaticly converts it like Jun 18 2004 12:00AM but i dont want this
I want see this 18.06.2004 in Mshflexgrid.
What can i do. help me pls.
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Mar 9, 2007
I have a site and there is a ` current features` on the index which shows our newest pictures for movies. I use dreamweaver, so When you insert record a "picture", it takes place on the table, but when you insert another one, it doesn't replace the current one.
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Jul 20, 2005
Could someone help me with the most efficient way to update a date field. Ihave a field with Date and Time in it but I want to update it with only theDate and strip off the time. Any ideas for the shortest way to do this?
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Mar 26, 2007
Consider the following tableCustomercustId char(10)accountExpiryDate datetimeaccountStatus bitNow, I want to update the accountStatus to False as soon as thecurrent date becomes accountExpiryDate.I think it can be done using "SQL Agent" but my webhost doesnt provideme access to that. I have access only to the Query Analyzer.ThanksShane
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Nov 2, 2006
How can I set a column in a table to auto update the date and time everytime something in that row is updated or when the row is first added? Thanks ahead for the help,Jason
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Jul 12, 2007
First off, it has been a few years since I have done extensive work with SQL and that was using Oracle. But I am trying to develop a simple asset database for work, as we have nothing in place. I started out with Access, and decided to move to SQL express for many reasons.
What I have now is that I imported my data from my access 97 database to Excel, only my AssetTable did not import dates, I assume because Access and Sql Express handle dates differently... so a the time I just ignored that column.
Is it possible to insert the dates into the now populated SQL Express database AssetTbl where the AssetID's match? Here is what I have.
Sql Express Database Name: BAMS
Table Name: AssetTbl
fields: AssetID, SerialNum ...(many other fields)... DateAcq <- currently Null
Excel file: AssetDateAcq.xls
fields: AssetID, DateAcq (in format 07/12/2007)
To me it sounds like I need to do a short script/program to loop through the file read an AssetID from the excel file, and the DateAqcuired and then have it do an update on the DateAcq field, but it has been so long since I've done any work with SQL that I am finding there is a lot of "Dust" to blow off, and I don't know if I'm heading down the right track... or completely off course.
Thank you.
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Jan 14, 2015
My goal is to update the "PriorInsert" field with the "DateInserted" from the previously inserted record where the WorkOrder, MachineNo, and Operator are all in the same group.
While trying to get to the correct previous record, I wrote the query below.
P.S. The attached .txt file includes a create and insert tbl_tmp sampling.
select top 1
a.ID,
a.WorkOrder,
a.MachineNo,
a.Operator,
a.PriorInsert,
[code]...
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May 13, 2008
I'm new to this forum.
This 'problem' has occured many times, but I've always found a way around it.
I have pages with datagrids, in which a user can edit a certain fields and then update the tables with new data. Lets say when a user edit a Name field and a money field. If he/she left those two fields blank, the table is automatically updated with a <null> (for the name field) and a 0 (for the money field.) Both these columns were set up to allow Null values.
Anyone has an idea why they were updated that way? And is there like a standard on how the data types are updated if a field is left blank?
Thank you very much.
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Mar 3, 2008
Hi all I am having some issues in selecting items from my database where the record is NOT NULL. I have the code below however although some fields do contain soem data in it, others are blank which I believe are empty spaces. How do I do a SELECT command which ignores empty spaces and NULLS?
Code Snippet
SELECT CustomSearch FROM OfficesTable WHERE CustomSearch IS NOT NULL
Thanks, Onam.
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Nov 1, 2007
I have table "Clients" who have associated records in table "Mailings"
I want to populate a gridview using a single query that grabs all the info I need so that I may utilize the gridview's built in sorting.
I'm trying to return records containing the next upcoming mailing for each client.
The closest I can get is below:
I'm using GROUP BY because it allows me to return a single record for each client and the MIN part allows me to return the associated record in the mailings table for each client that contains the next upcoming 'send_date'
SELECT MIN(dbo.tbl_clients.client_last_name) AS exp_last_name, MIN(dbo.tbl_mailings.send_date) AS exp_send_date, MIN(dbo.tbl_mailings.user_id) AS exp_user_id, dbo.tbl_clients.client_id, MIN(dbo.tbl_mailings.mailing_id) AS exp_mailing_idFROM dbo.tbl_clients INNER JOIN
dbo.tbl_mailings ON dbo.tbl_clients.client_id = dbo.tbl_mailings.client_idWHERE (dbo.tbl_mailings.user_id = 1000)GROUP BY dbo.tbl_clients.client_id
The user_id set at 1000 part is what makes it rightly pull in all clients for a particular user. Problem is, by using the GROUP BY statement I'm just getting the lowest 'mailing_id' number and NOT the actual entry associated with mailing item I want to return. Same goes for the last_name field. Perhaps I need to have a subquery within my WHERE clause?Or am I barking up the wrong tree entirely..
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Mar 9, 2004
Hi Friends,
I have one query that i have to Replace the Empty Value of a filed with some other value how can i do in SQL??
ID Phone Name
1 122 abc
2 xyz
3 444 mmm
4 525 ccc
5 nvb
Now i want replace the blank (Empty) filed with some charaters Numbers how can i do that?? any Help
Ashu
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Oct 19, 2007
i want to check if one of the fields is empty. however i cant seem to get it working
string strSQL = "select * from 15Course_Listing where
Package_listingNo =''";
it does not return anything, however i have empty fields in package_listingNo
i have been trying to get around this for some time and its killing me. need help please
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Aug 24, 2007
I am having data where there are empty string in the business keys which should be used for Slowly changing dimesnion type 2, how do i over come this as due to empty strings i am getting new rows even though the rows havent really changed.
example of data is name and salary are business keys
name salary age address
dev 23 klddldldlk
sdfg 24 34 kdlddlkd
when the same is given as input the row
dev 23 klddldldlk
is coming as anew row where it already exists how do i over come this
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Feb 21, 2008
Hello! I have a web form in VB.NET & ASP.NET 1.1, with data being saved to a SQL 2005 database with multiple tables. The primary key on all these tables is a unique identifying number that the user enters. However, one record in this database (across all tables) has no identifier. All other information seems to have saved without problem, but there's no identifier, which is very wierd for several reasons: 1) the form should not allow the user to proceed without it; 2) all the tables in the database do not allow nulls for the column, and 3) it's the primary key!
Any thoughts on how this might have happened?
Thanks!
Kaiti
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Aug 13, 2015
I added a new field to an existing ETL process which uses SSIS to ingest a CSV file. The new field in the file, Call_Transaction_ID, will not always be populated for every record and so can be NULL or empty for certain records.
Here's the problem:After the file is extracted into a staging table, the Call_Transaction_ID field is showing blank or empty when it has no ID for that particular record. The problem is when I try to then ETL this data into a fact table - I'm trying to set the Call_Transaction_ID field to -1 if it is NULL or empty, however SQL Server doesn't see the field as empty even though there is no value in the field so -1 will NEVER return.
Using a WHERE DATALENGTH(Call_Transaction_ID) = 0 returns 0 records, again because SQL Server doesn't see the field as empty or NULL.
What do I do now to get around this? How do I fix it?
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Dec 24, 2013
I have created a form with basic validation :
if($formValue['forename']=="" || $formValue['surname']=="" || $formValue['username']=="" || $formValue['password']=="" || $formValue['email']=="" ){
$message = "Missing data - please try again" ;
header("Location: registration.php?message=$message");
I want to validate each field individually.
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Jul 20, 2005
I'm trying to do a simple update like I have done countless timesbefore.However, when I update the empty fields in this table it places a -1into the field rather than the enterred value.It is indexed with duplicates allowed. It says that zero lenght isset to yes.What can I do about this?if Request.form("ouserid") <> "" Thenvar2 = " and userid = '" & Request.form("ouserid") & "' "Elsevar2 = " and userid is null "End ifif Request.form("orepid") <> "" Thenvar1 = " repid = '" & Request.form("orepid") & "'"Elsevar1 = " repid is null "End if"Update [Website Settings] set userid = '" & REquest.form("userid") &"' and repid = '" & Request.form("repid") & "' where " & var1 & var2& var3Thanks!
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Mar 21, 2006
Hello...
I am going crazy trying to figure out how to do this. I have a flat file which I am massaging the data and loading into a table here is an example of a line out of the flat file:
"ABC NUTRITIONAL PRODUCTS","550","","","N","FAIR OAKS","","","COLORADO SPRINGS","C0","","","","","","","","A","","",""
My problem is that I have one field which is this address in a concatinated form. The fields that do not apply to this entry are suite#, floor# and other columns which are designated by the "" characters. The final concatinated addres field looks like this:
"550""""N""FAIR OAKS"""
I would like to remove the "" characters in the concatinated string. I just don't know the best way to do this? I was told DTS had a way of removing the "" from the flat file source. Since I have not used DTS extensively I am not sure if this is true. I was wondering how in SSIS I could go about removing the "" marks without removing the "" say if someone is quoted eg. John said "This is only a test". Removing the quotation marks in this instance would be changing the data. I am not sure how to do this and any help or advice is greatly appreciated!
Thank you...
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May 11, 2006
Hi All,
Does anyone have already made an application that writes some data into the EDB Pocket database ?
I´m trying to insert a record with a empty FILETIME field and I´m getting
the Error 87 (INVALID_PARAMETER), I´ve tested with some date in the field and the record is added sucessfull, it seems that the database doesn´t accept anymore empty FILETIME fields? Is it true? I didn't find anything in the docs.thanx in advance.
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Nov 11, 2013
I want to update the time in a datetime field with the current time.
Fields current value is:
2013-11-11 00:00:00.000
I want to insert this into another table and when I do I want to grab the current time and update that field.
field name: picked_dt
Table: oeordlin
or is there a way through sql to update the time when the picked_dt is updated?
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Feb 20, 2008
tbl_store
id numeric(9)
enddate datetime(8)
tbl_store Data
ID Enddate
1 01/02/2020
2
3 01/02/2010
4
5 01/02/2001
(empty enddate data is showing <null>)
This is my query...but i want to get date empty records too.
select * from tbl_store where Enddate> '02/20/2008'
I want output
1 01/02/2020
2
3 01/02/2010
4
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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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Sep 25, 2007
So I have an MDX query in an SSRS data set. Here is my MDX query:
Code SnippetSELECT { [Measures].[Gross Sales Amount USD], [Measures].[Net Sales Amount USD] } ON COLUMNS, { ([Promotion].[Media Property].[Promo Code Description].ALLMEMBERS) } DIMENSION PROPERTIES MEMBER_CAPTION, MEMBER_UNIQUE_NAME ON ROWS FROM ( SELECT ( STRTOMEMBER(@BeginDateConvert, CONSTRAINED) : STRTOMEMBER(@EndDateConvert, CONSTRAINED) ) ON COLUMNS FROM ( SELECT ( STRTOSET(@PromotionMediaProperty, CONSTRAINED) ) ON COLUMNS FROM ( SELECT ( { [Promotion].[Campaigns].[Campaign].&[Paid Partner] } ) ON COLUMNS FROM ( SELECT ( { [Products].[Product Line].[Line].&[Merchandise] } ) ON COLUMNS FROM ( SELECT ( { [BusinessUnit].[Business Unit].[Product Business Unit].&[40] } ) ON COLUMNS FROM [Net Sales]))))) WHERE ( [BusinessUnit].[Business Unit].[Product Business Unit].&[40], [Products].[Product Line].[Line].&[Merchandise], [Promotion].[Campaigns].[Campaign].&[Paid Partner] ) CELL PROPERTIES VALUE, BACK_COLOR, FORE_COLOR, FORMATTED_VALUE, FORMAT_STRING, FONT_NAME, FONT_SIZE, FONT_FLAGS
This query returns 4 fields. Media Property, Promo Code Description, Gross Sales, and Net Sales. For the given query the measures are empty or null. I do not want any data to show up when the measures are null so I put in NON EMPTY clauses before the COLUMNS and before the ROWS. So now my query looks like this: (I only added the NON EMPTY clauses)
Code Snippet
SELECT NON EMPTY { [Measures].[Gross Sales Amount USD], [Measures].[Net Sales Amount USD] } ON COLUMNS, NON EMPTY{ ([Promotion].[Media Property].[Promo Code Description].ALLMEMBERS) } DIMENSION PROPERTIES MEMBER_CAPTION, MEMBER_UNIQUE_NAME ON ROWS FROM ( SELECT ( STRTOMEMBER(@BeginDateConvert, CONSTRAINED) : STRTOMEMBER(@EndDateConvert, CONSTRAINED) ) ON COLUMNS FROM ( SELECT ( STRTOSET(@PromotionMediaProperty, CONSTRAINED) ) ON COLUMNS FROM ( SELECT ( { [Promotion].[Campaigns].[Campaign].&[Paid Partner] } ) ON COLUMNS FROM ( SELECT ( { [Products].[Product Line].[Line].&[Merchandise] } ) ON COLUMNS FROM ( SELECT ( { [BusinessUnit].[Business Unit].[Product Business Unit].&[40] } ) ON COLUMNS FROM [Net Sales]))))) WHERE ( [BusinessUnit].[Business Unit].[Product Business Unit].&[40], [Products].[Product Line].[Line].&[Merchandise], [Promotion].[Campaigns].[Campaign].&[Paid Partner] ) CELL PROPERTIES VALUE, BACK_COLOR, FORE_COLOR, FORMATTED_VALUE, FORMAT_STRING, FONT_NAME, FONT_SIZE, FONT_FLAGS
Adding the NON EMPTY returns nothing... not even field names. This is a problem because, I have a table in the report that looks at this data set and when there are no fields, the report can't run.
How can I still have NON EMPTY functionality and still show the fields? Is this a problem in SSRS?
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Mar 20, 2007
Greetings,
I have several reports for which the user has asked to have an optional muti-value parameter. They want to be able to select zero, one, many, or all values in the parameter list. The parm list is created through a query and the values are not static.
I would like to allow the user to leave the muti-value field empty if they want to allow all values to appear on the report. I've read some discussion about populating a multi-value default with the same query that produces the multi-value list values - presto, everything is selected. However, this is not a desirable solution for me because I "echo" the users parameter selections in the report heading. Selecting all values (and some parms have a lot of values) would cause the "parm feedback" section to grow large and unreadable.
In short, I don't want to tell the user they have to select everything when they really want to select nothing.
Is there any way to have a muti-value parm that won't insist the user select one or more values?
Thanks,
BCB
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Oct 11, 2004
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I am using VB6 and SQL7. I am asking a user to enter a date if applicable - specifically a product manufactured date. I then take that date, using the dateadd function, query a table for a specific code, and calculate an expiration date based on the particular code.
The problem - if the user does not enter a manufactured date, which is OK, SQL inserts 01/01/1900 - which I do not want. How do I handle?
I am inserting the date, if there is one, from a flexgrid. I am declaring the variable as variant. The SQL field is DateTime.
Ex:
sSQL = "Insert into RecI(manufacdate) values ('" & (flxRec.TextMatrix(ctr,14)) & "')"
Please Help!
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May 4, 2006
Good morning...
I begin with SQL, I would like to add a field that will be date like 21/01/2000.
Actually i find just "datetime" format but give me the format 21/01/2000 01:01:20.
How to do for having date and time in two different field.
Sorry for my english....
Cordially
A newbie
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Oct 27, 2004
i have a trigger on a table right now... when fields are inserted, theres a text field inserted and i want to check if that text field = '' (the empty string, not NULL) and if it doesn't equal that, then perform some row updates on other tables, but if it is empty, to not do anything else in the trigger... right now i have this:
Code:
IF ((SELECT Note FROM XATPoDetail WHERE ReqNbr = (SELECT ReqNbr FROM Inserted)) LIKE(''))
Note is the text field, XATPoDetail is the table where its being inserted into. I had to do the select FROM the table because it wouldn't let me select a text data type from the "Inserted" virtual table
but it tells me me "Error 279: The text, ntext, and image data types are invalid in this subquery or aggregate expression"
thanks
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Oct 27, 2004
i have a trigger on a table right now... when fields are inserted, theres a text field inserted and i want to check if that text field = '' (the empty string, not NULL) and if it doesn't equal that, then perform some row updates on other tables, but if it is empty, to not do anything else in the trigger... right now i have this:
IF ((SELECT Note FROM XATPoDetail WHERE ReqNbr = (SELECT ReqNbr FROM Inserted)) LIKE(''))
Note is the text field, XATPoDetail is the table where its being inserted into. I had to do the select FROM the table because it wouldn't let me select a text data type from the "Inserted" virtual table
but it tells me me "Error 279: The text, ntext, and image data types are invalid in this subquery or aggregate expression"
thanks
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Jul 13, 2015
I have a requirement where i have to insert empty string in column whose datatype is decimal.
I have to replace the column value if it is null then insert it as ' '.
Obviously its generate error msg for conversion, is there any workaround for this. I cannot add 0 or other value as this column is used to generate some output value.
IIF(Column1 IS NULL, ' ', Column1))
I used TRY_PARSE but it insert null value if there is conversion error.
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Aug 29, 2007
Hi,
What is the difference updating a null value to char/varchar type column
versus empty string to char/varchar type column?Which is the best to do and why?
Could anyone explain about this?
Example:
Table 1 : tCountry - Name varchar(80) nullable
Table 2 :tState - Name char(2) nullable
Table 3 :tCountryDetails - countryid,state (char(2) nullable) - May the country contain state or no state
So,when the state is not present for the country ,i have two options may be - null,''
tCountryDetails.State = '' or tCountryDetails.State = null?
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