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On 11/28/07 11:18, Vivek Khera wrote:
>
> On Nov 28, 2007, at 11:06 AM, Matt Doughty wrote:
>
>> Is there a way of selecting all fields except for one in particular?
>> I'd like to create a query that says something like:
>>
>> select * except fieldx
>>
>>
>
> For best practices, you should never use select * in your queries. You
> will inevitably end up with code that cannot deal with a schema change,
> and for any live system, you will have a schema change at some point...
Remember back in the late-80s when Data Dictionaries were the rage?
(Some legacy still have these.) 3GL structs/copybooks can be
auto-generated from the CDD, so any added columns are auto-added to
your record structure.
Of course, you still have to rebuild your apps.
> It is best to explicitly list the field names your code is expecting.
> Besides, I don't think you can do what you want to do with just SQL.
- --
Ron Johnson, Jr.
Jefferson LA USA
%SYSTEM-F-FISH, my hovercraft is full of eels
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