| From: | Jean-Luc Lachance <jllachan(at)nsd(dot)ca> |
|---|---|
| To: | tony <tony(at)animaproductions(dot)com> |
| Cc: | postgres list <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: how does NOT work? |
| Date: | 2002-04-24 15:27:24 |
| Message-ID: | 3CC6CEDC.99BFF31B@nsd.ca |
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| Thread: | |
| Lists: | pgsql-general |
Tony,
you forgot the NULL entries.
Add the result of:
select count(*) from individu where type2 is null
JLL
tony wrote:
>
> Stange one
>
> select count(*) from individu
>
> count
> 18417
>
> select count(*) from individu where type2 like 'a%'
>
> count
> 12619
>
> select count(*) from individu where type2 not like 'a%'
>
> count
> 81
>
> Clues?
>
> Cheers
>
> Tony Grant
>
> --
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