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Old 01-23-2007, 02:36 PM
stav stav is offline
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Default SQL 92 dialect question:

How do I make one field be a function of another?


I want to create a field that would be an AND function of two other fields in my table.
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Old 01-23-2007, 07:43 PM
Vincenzo Romano
 
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Default SQL 99 answer. Re: How do I make one field be a function of another?

You have two options.
1. update the calculated field by means of a trigger for insertion and updates or
2. create a view calculating the "virtual" field.
In any case, updating the calculated field makes no sense at all.
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