Subject Re: [firebird-support] null field size
Author Mark Rotteveel
> hi all, there's same formula to know (even if not exactly) to know how
> much space is used by a null field and by a column of nulls (i have same
> columns where only < 1% of the fields are not null).

Having a lot of columns that are usually null is usually an indication that you should rethink your data model and schema design.
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