[AccessD] An Interesting question

Drew Wutka DWUTKA at Marlow.com
Mon Mar 30 12:51:45 CDT 2009


You are always manipulating the field.

If a field has a value of 'Hello', and I 'add' ' how are you', I didn't
change the value of 'Hello', I changed the value of the field to 'Hello
how are you'.  'Hello' and 'Hello how are you' are both values, you
aren't manipulating the value of 'Hello', you are manipulating the value
of the field, which was 'Hello'.

Drew

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Max Wanadoo
Sent: Monday, March 30, 2009 12:43 PM
To: 'Access Developers discussion and problem solving'
Subject: Re: [AccessD] An Interesting question

Sure, but you're not manipulating the Null, you are manipulating the
field.

Try adding a number to it.
Try concatenating a string to it.

Null is not a value.  It is only a perception of the lack of any given
value
or other attribute.

Max



-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Drew Wutka
Sent: 30 March 2009 18:34
To: Access Developers discussion and problem solving
Subject: Re: [AccessD] An Interesting question

What do you mean?  It's like manipulating any other value, other then it
technically can't be set back to null.  Which doesn't diminish it's
perception as a value, you can't change an Autonumber either (there are
ways to do it, but there are ways to set a field back to Null too...)

Drew
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