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How to make a MS Access field 'Allow Zero Length' = true

Posted on 2004-09-10
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Last Modified: 2010-04-05
How to make a MS Access field 'Allow Zero Length' = true from delphi
in CREATE database dunction?
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Question by:djuzoran
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6 Comments
 
LVL 23

Expert Comment

by:Ferruccio Accalai
ID: 12025222
You mean a Text field?
If you do not specify nothing it is intended as it can accept zero length, otherwise it must be declared as Not Null

for example:

create table MyTable(MyField Text(10), //accept zero length
                               MySecondField(19) not null, //value is required
                               MyThirdField Integer);

0
 

Author Comment

by:djuzoran
ID: 12025233
So
MyField Text(10)

is not the same as

MyField Varchar(10) ?

0
 
LVL 23

Expert Comment

by:Ferruccio Accalai
ID: 12025267
Yes it's the same, btw forgot mi last comment, it's about required property, not zero length, sorry
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Author Comment

by:djuzoran
ID: 12025293
So what should i write for nullable and zero length column?

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Accepted Solution

by:
kretzschmar earned 500 total points
ID: 12025329
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LVL 23

Expert Comment

by:Ferruccio Accalai
ID: 12025346
Well i was looking at it at all but look at here also http://support.microsoft.com/default.aspx?scid=kb%3BEN-US%3BQ217156
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