Re: Functionality

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Brian Kejser <bkejser(at)KAISERDIGITAL(dot)com>
Cc: "'pgsql-general(at)postgresql(dot)org'" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Functionality
Date: 2001-06-10 01:27:10
Message-ID: 200106100127.f5A1RA114924@candle.pha.pa.us
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> Hi
>
> I have been learning postgresql for the last couple days and I have been
> trying to determine what it can and cannot do in relation to Oracle (where I
> have several years experience).
>
> Questions
>
> 1. Can postgresql load/pin objects (i.e. tables, procedures, etc.) into
> memory at startup?

No.

> 2. Does postgresql use a SQL cache like Oracle? If so, can the cache be
> viewed or summarized using SQL?

No, I don't think so.

> 3. Is it possible to return anything other than a single value from a
> server-side procedure. If so, how?

No.

> 4. Can SQL be parameterized like in Oracle (i.e. "SELECT name FROM table
> WHERE somefield = :var1")?

No.

> 5. Does postgresql support SQL hints (belong using the JOIN keyword)?

No.

> 6. Does postgresql use table spaces like in Oracle (i.e. database objects
> are placed if different tables spaces according to usage)?

No.

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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