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Article View: borland.public.vdbase.data.sql
Article #1104

Re: Empty field in sql query

#1104
From: Romain Strieff [TeamB]
Date: Sat, 02 May 1998 00:00
36 lines
1989 bytes
In article <01bd7536$79b17a40$16f3f3c2@pserver>, mario@mbox.medianetis.it 
grudgingly admits...
> Is possible in a SELECT instruction formatting numeric fields to _0_ if
> this same fields are empty ?
-----
Replace them with 0 if they are NULL and set the default value for that 
field to be 0 _in_ the table. (MODI STRU)

> I have tested with:
> SELECT MyField {0} from MyTable
> but if language driver of BDE is DB850IT this instruction generate empty
> fields.
> If language driver of BDE is Paradox intl this instruction generate 0 in
> numeric value,
> (correctly) but with this language driver name of field are truncated (only
> 10 characters) and underscore is added in place of space when rowset is
> generated.
> 
> There is any other type of SELECT instruction for me ?
> Thank
> 
> P.S.	Romain, sorry, i give too many work form TeamB, but my applications is
> 	various and very large and conversion is still difficult.
> 	I hope this discussions are very useful for any VDB user.
----
Level 7 tables just offer true NULL support just like any other DBMS in 
the world did from the beginning, it's only us that have to get 
accustomed to it.


-- 
Romain Strieff [TeamB]
Want quick help? Check previous Q and A at:
http://forumsearch.borland.com:88/ and TIs at
http://www.borland.com/VdBASE/vdbprod.html 
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From: Romain@Do.not.reply.via.e-mail (Romain Strieff [TeamB])
Subject: Re: Empty field in sql query
Date: 1998/05/02
Message-ID: <MPG.fb52af7a420f8d298aca9@forums.borland.com>
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References: <01bd73a9$f0659ba0$12f3f3c2@pserver> <MPG.fb28e9fce712ffd98ac7c@forums.borland.com> <01bd745c$b2a7da40$14f3f3c2@pserver> <MPG.fb2d66a3a0118aa98ac96@forums.borland.com> <01bd7536$79b17a40$16f3f3c2@pserver>
Organization: TeamB
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Newsgroups: borland.public.vdbase.data.sql