Default Field Value?

Jun 15, 2004

Is it possible to change the default value of a field using a stored proc or query? Any hints on how to do this if it is possible would be appreciated!

Mike B

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Default Field To Another Field Value On Db Level

Oct 30, 2006

Hi All,

I need to create a new field on a table and have that field default to another field value in that same table. Is there a way to do this w/ a default constraint rather than adding a trigger to the table? If i can't use a default constraint does anyone have a template trigger i could use? Below is an example of what i'm trying to do (Field_C is the new field and i want it to use Field_A value if no other value is specified on insert). Any help would be greatly appreciated.

alter table FOO add Field_C varchar(50) not null constraint FOO_default DEFAULT Field_A


thanks,
Dave

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Field Default Value

Jul 9, 2007

I'm copying MyDbTable to TempdbTable. There are 12 fields and I'm ignoring 11 of them when copying the one table to another with DTSWizard.



Once the TempdbTable is there, I'm adding 2 fields along with the one that is there already.

1) field1 int, Nullable, Default value ((3))

2) field2 tinyint, Nullable, Default value ((1))



The reason why I'm creating these two fields and giving them a value so they will match up when I import TempdbTable to MyDb2ndTable.



The problem I'm having is... field1 and field2 have a Null value intead of the value I'm giving them.



I'm new at this, so maybe the cause of the problem is obvious, but if anyone can help me I'd really appreciate it.



Thanks,

Bill

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Mar 25, 2008

hi, please help me, i have a data driven  site, i made a field that i call "Status"so this is how it should happens, there are three different gridviews in a single page, gridview1 filter is [status] = ok, gridview2 filter is [status] = fine, gridview3 filter is [status] = complete, so all gridview has its own  <asp:hyperLinkField> at first the value of "Status" is ok, so it will appear in the gridview1, so when the user click on the <asp:HyperLinkField> of gridview1 it will go to a new page with a form view, this page has a button that when click will change the value of the status field to "fine", so that it will no longer appear to the gridview1 but it will now appear to gridview2 and same with the next <asp:HyperLinkField> click until it appears to the final gridview. so my question is how can i make the button that is capable of changing (update) the value my database field (status) to a specific value, that is not visible to the user thru codebehind or plain asp.net codes. please help me, if you need more info just reply.ThanksSALAMAT PO! 

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Jul 6, 2004

Hello,

Can I simply set the default value of a dateTime field with the date and time that the record was created?

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Nov 7, 2007

 I am doing a shopping basket type demo.I have difficulties going from table with fields like (Name,ProductCode) to table(Name, ProductCode, NumberOfItems). One way could be adding just Name and ProductCode fields and let NumberOfItems come automatically. It could have some common value like 1.  How should I do this with VB. 

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May 25, 2004

In SQL Server 2000 / Asp.Net I am trying to use default values for all fields; hoping to eliminate nulls.

For number and character fields, the default is pretty obvious, but is there any empty value for a date field? I think a null there might be better than putting in a bogus date, at least it can be tested for.

Are there any more developend ideas on this question?

Many thanks
Mike Thomas

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Jan 28, 2008

Hello,

I am trying to write an SQL command to set the default value of an integer column I have within a table.

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Any suggetions?

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Nov 7, 2007

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I select the data type as numeric and save my changes, I then visit our front end database to see if the default value is just '0' but it appears as '0.00'

SO i thought about changing the default value to int (im thinking this means integer?) and changing it to '3' but it still displays the decimal point and two 0's

Am I doing something wrong here? I just want it to display '0'

Thanks

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Jun 1, 2006

should I set to "0" as a default value on a quantity and a price fieldor set to "null"?if a user enter nothing on the quantity or price field on a webbrowser, should I treat it as null or "0"? I am so confused about thisconcept. please advise me. thank you.

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Aug 4, 2006

We want to add a default date to our database tables. Looking at other database samples people use all sorts of dates to add as default date e.g. 1/1/1997 or the getdate() function.
Is it good practice to set a default date and what should the default date be????
Newbie

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Aug 10, 2006

I am working with a SQL server 2005 database. I have created several new tables. In one of the tables, I need to set up a data field so that it will default to a particular value. For exampe, I need to have a particular data field default to a value of '0' 
How can I do this? I would prefer not to do this through Query analyzer. I have been using the interface to SQL server 2005 provided through the Visual Studio IDE.
Thanks in advance, Bill
 

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May 17, 2008

Is there a way to set a field value to the column default in an update statement?
Eg.
UPDATE Table2 SET field1 = DefaultValue
where DefaultValue is the field1 column default in the table definition.
The reason I need to do this is when I delete a record from Table1, I need to set the foreign key in Table2 to the default (I don't want to delete the record in Table2, just want to set the key to a default key). I could hard-code the default value in the stored procedure but I think that's just not clean. If I create a new instance of the DB and the default value changes, I'd need to change the stored procedure(s). Just not clean...
To avoid a drawn-out discussion, there are reasons why I can't setup a relationship between the two tables and use "ON DELETE SET DEFAULT".
Any info greatly appreciated.

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How To Generate Random Default Value For A Field Under Sql Table?

Oct 13, 2005

hi
I have a field call: password, I want to generates some random chars as
default password for users (so user got something to login, and update
later).

Current Solution I have:
I made myself a trigger and it does generate password on insert, but
the problem with that is I have to allow NULL on that field.  I
don't want NULL to be allowed, and if I don't allow null... sql server
won't allow me to insert a record (when leaving password field empty).

Reason i don't wanna allow NULL on that field, is because there may be
more applicaions using the same field from the same database. 
Just in case if the other developer gets sloopy, I don't want other
application(s) allow user put to enter a null or leave it blank on my
password field.

My question is:
1) can I put a function or some sort at the "Default" field under "Design Table", if so...how?
2) any suggestions for a better implementation?
3) if (1) doesn't work, what other options would you suggest other then the current trigger i'm using?

TIA

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Jul 20, 2005

There are two tables, parent and child table.Foreign key field of the child table is not a required field. If thedata is submitted w/o a value into the foreign key field, what shouldI make it as a default value? Should it be "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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Mar 5, 2008

SELECT     ArticleID, ArticleTitle, ArticleDate, Published, PublishDate, PublishEndDateFROM         UserArticlesWHERE     (ArticleDate >= PublishDate) AND (ArticleDate <= PublishEndDate)
When I use the above on a GridView I get nothing.  Using SQL manager it works great.
I don't know how to pass the value of the ArticleDate field as a default parameter or I think that's what I don't know how to do.
I am trying to create a app that I can set the dates an article will appear on a page and then go away depending on the date.
 Thanks for any help!
 

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Apr 12, 2008

I am converting an Access 2003 database into SQL 2005 Express for purposes of evaluating the SQL server environment as a future home for my data. One of the motivating factors in the conversion is the integration of LINQ with VB 2008.

Assuming that there was no conversion tool to migrate Access forms for use with SQL and VB 2008, I converted the Access data table and used the VB 2008 form designer to databind textbox controls to fields in the converted SQL database. Here are some basic questions:


The conversion from Access to SQL apparently did not include the default numeric formatting (currency, percentage, etc.) which was part of the Access data table. Is there a place in the SQL server environment to supply a default data format so that forms and reports referencing the field do not need to be manually formatted for each reference?

After converting the data table and spending 2 hours designing the dataform for the 80+ fields, I inadvertantly changed the table structure and found that the dataform was not happy (oops). I corrected the databindings manually for the few errant field references, but wonder if there is some wizard to do this automatically?

Is there a way to print out the dataform itself? I used the following code snippet in my Access form code-behind and I wonder if there is an equivalent VB 2008 function:


Code Snippet


DoCmd.DoMenuItem acFormBar, acEditMenu, 8, , acMenuVer70
DoCmd.PrintOut acSelection


Finally, Access can instantly change from dataform to datasheet presentation screens. Can this be done in VB 2008 with two views simultaneously presenting the same SQL data?

Please excuse my naivete, but in contrast to Access 2003 where program functionality is encapsulated into readily apparent controls, menus, and dialogs, the SQL server environment seems foreign, spartan, and all the words are different. Thanks, -BGood

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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 25, 2015

I'm new to SQL and I'm trying to write a statement to satisfy the following:

If [Field1] contains text from [Field2] then return [Field3] as [Field4].

I had two tables where there were no matching keys. I did a cross apply and am now trying to parse out the description to build the key.

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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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Apr 3, 2008



Hi,
Does anyone have a workaround or know of a fix to this problem:
Default value set to 'date pick' from date currently within field by setting value equal to that field . ie if date is 01/01/2010 date picker opens in Jan 2010 - works ok.
However, once published to Sharepoint and run through browser the Date Picker ignores the default value and the date picker opens for today. ie April 2008.


Any words of wisdom gratefully recieved,

Howard Stiles

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Jul 11, 2005

I'm using DTS to import data from an Access memo field into a SQL Server ntext field.  DTS is only importing the first 255 characters of the memo field and truncating the rest.I'd appreciate any insights into what may be causing this problem, and what I can do about it.Thanks in advance for any help!

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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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May 17, 2015

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I tried:
CONVERT(varchar(8),TASK_FINISH_DATE ,3)
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CAST(TASK_FINISH_DATE as date)

**all of the above returned text objectes in excel and not date objects.

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I tried a couple of things:

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Jul 23, 2005

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Nov 17, 2012

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DECLARE @datetime datetime
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SELECT @datetime = @datetimeoffset
SELECT @datetimeoffset AS '@datetimeoffset ', @datetime AS 'datetime'
__________________________________________________ ___________
Result of above SQL is
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2012-11-08 17:22:13.575 +00:002012-11-08 17:22:13.577
__________________________________________________ ____________

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It used to only accept the 8 character version, but after increasing the field size, if I try to insert the 9 character field version, it gets truncated after the '-', as though it's still only allowing 8 characters. But that only occurs when I include the '-' or other such characters like '#'. If I try to insert 1234567a9, it works. The following explains the outcomes:

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Hi,

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