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Home -> Community -> Usenet -> c.d.o.server -> Re: 2 Oracle doubts
On 25 Jul 2003 01:16:17 -0700, delavega <delapordio_at_hotmail.com> wrote:
> Hi. I´m a MySql programmer, but i need make a application with Oracle
> 8.1 Server. I have 2 doubts (for the moment)
>
> 1-Can i have a Oracle table without primary Key?
Yes. But this is a *relational* database, so why you'd actually want this I can't really imagine (OK, I've seen heaps of bad applications who wouldn't know a primary key from a prune, but they're really *bad* apps.)
> 2-In a sql, the date fields are with quotas ("")? Exists the
> direct comparation between dates (<, >)?
Get thyself to tahiti.oracle.com and start reading the documentation on issues like this. Short answer: dates need a fair bit of manipulation, but yes you can do maths with them.
~QM Received on Fri Jul 25 2003 - 03:25:39 CDT