From 227a584655edcf16e98d0f986fbda0c4abd6b991 Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Wed, 30 May 2001 23:00:41 +0000 Subject: Update FAQ. --- doc/src/FAQ/FAQ.html | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'doc/src') diff --git a/doc/src/FAQ/FAQ.html b/doc/src/FAQ/FAQ.html index 932b2b7856d..aba74b0e93a 100644 --- a/doc/src/FAQ/FAQ.html +++ b/doc/src/FAQ/FAQ.html @@ -12,7 +12,7 @@ alink="#0000FF">

Frequently Asked Questions (FAQ) for PostgreSQL

-

Last updated: Wed May 30 18:57:52 EDT 2001

+

Last updated: Wed May 30 19:00:33 EDT 2001

Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
@@ -908,9 +908,9 @@ Maximum number of indexes on a table? unlimited periodically.

Indexes are usually not used for ORDER BY - or joins: a sequential scan followed by an explicit sort is - faster than an indexscan of all tuples of a large table, because it - takes fewer disk accesses.

+ or joins. A sequential scan followed by an explicit sort is + faster than an indexscan of all tuples of a large table. This + is because random disk access is very slow.

When using wild-card operators such as LIKE or ~, indices can only be used if the beginning of the search -- cgit v1.2.3