Database tuning

Hello all,

I have a PostgreSQL database that is storing The Bible. It has 31,103
records in it and I have a PHP page executing this query:
SELECT
books.book_name, bible.chapter, bible.verse, bible.versetext
FROM asv_bible bible, book_bible books WHERE bible.book = books.id ORDER BY
random() LIMIT 1

The database schema is:

/* --------------------------------------------------------
Sequences
-------------------------------------------------------- */
CREATE SEQUENCE "book_bible_seq" start 1 increment 1 maxvalue 2147483647
minvalue 1 cache 1;

/* --------------------------------------------------------
Table structure for table "asv_bible"
-------------------------------------------------------- */
CREATE TABLE "asv_bible" (
"id" int8 NOT NULL,
"book" int8,
"chapter" int8,
"verse" int8,
"versetext" text,
CONSTRAINT "asv_bible_pkey" PRIMARY KEY ("id")
);

/* --------------------------------------------------------
Table structure for table "book_bible"
-------------------------------------------------------- */
CREATE TABLE "book_bible" (
"id" int4 DEFAULT nextval('book_bible_seq'::text) NOT NULL,
"book_name" varchar(20),
CONSTRAINT "book_bible_pkey" PRIMARY KEY ("id")
);

Right now it takes 9 seconds to return the results. I don't think that it
has anything to do with the language executing it, as I have run the same
query in via Perl and had the same luck.

I was wondering if anyone could offer any help with lowering the time it
takes to run?

Am I optimizing the database correctly?

My hardware is a Pentium II 400 with 128MB of RAM.

Or if this is the normal runtime for a database of this size, I'd just like
confirmation.

Thanks,
Kevin

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