Well here's my problem with how it seems to work.  I understand the need to 
visually separate null from a blank space within R:Base.  So sure, when I open 
a table within R:Base show me some kind of value, -0- will do just fine.  
However when I export data from my table to say... and basic csv text file. 
That data should not be represented by a -0-, but nothing at all, in my 
opinion.  That way if I want to use the data in another database, or as in this 
case a third party wants to use it in another database, they can do so without 
the other database having to understand that -0- = null.  I thought about 
setting NULL = ' ' but even that wouldn't work, because even then the third 
party database would still have to know that null = ' '.  I'm certainly no 
database guru and I really appreciate all the help I receive from you guys and 
gals.  My only other database experience lies with MySQL and it's always been 
my understanding that null = nothing at all.

 

So I guess ultimately I don't really need to know why R:Base uses text 
representation for null, but I need to know if there is a solution I can use to 
make null = nothing at all or empty.  Basically if 'empty' was or possibly is a 
valid command, the logic I want to accomplish is R> set null empty.  Is this 
possible?

 

To further explain what I want, here’s an example.

 

Let's say we have a table with one row containing three fields of data; a, b, 
and c.

Field b is null in this case.  Something like this.

        
a

b

c


1

text

-0-

text

 

As my R:Base is setup now, if I were to export this data to a text file (csv) I 
get:

"text","-0- ","text"

 

The end result text file (csv) I want to achieve is:

"text","","text"

 

Thanks again for all your help with my novice problems/questions.

 

Matthew Burke

Pioneer Bank - IT Department

Computer Systems Technician

505-627-4415

 

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