An outer join where the column in the join is a nullable boolean?
Can you give me an example where doing that is better (easier to
understand during maintenace) than using an integer? I do not go
against all nulls, just boolean nulls.
Gavin King escribió:
So you never use outer joins? Every outer join produces null values.
On Thu, Dec 4, 2008 at 1:04 PM, Francisco Jose Peredo
I try to avoid it in databases, if there are 3 different possible
values, it is better to use a not null Integer column, all my boolean
columns are "not null" always.
Emmanuel Bernard escribió:
Databases use this three-state for decades. It seems to work fine.
Many people believe it does not work fine: