Re: Booleans - Why in Postgres and not in Oracle or Mysql?

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От CSN
Тема Re: Booleans - Why in Postgres and not in Oracle or Mysql?
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Msg-id 20050505192845.81081.qmail@web52905.mail.yahoo.com
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Ответ на Booleans - Why in Postgres and not in Oracle or Mysql?  (CSN <cool_screen_name90001@yahoo.com>)
Ответы Re: Booleans - Why in Postgres and not in Oracle or Mysql?  (Robert Treat <xzilla@users.sourceforge.net>)
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--- Dann Corbit <DCorbit@connx.com> wrote:
> > why do you suppose
> > neither Mysql nor Oracle has bothered to implement
> it?
>
> Probably they just create a domain using a char
> which can take on two
> values (e.g. 't'/'f' or 1/0).  Oracle 10 has a bit
> data type (which is a
> boolean for all intents and purposes):

Could a bit handle NULL's though?

CSN

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