From 5ab02fd12321d1d742f1b288fda73af87abdf37c Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Sun, 3 Mar 2002 18:35:46 +0000 Subject: [PATCH] Update FAQ. --- doc/FAQ | 4 ++-- doc/src/FAQ/FAQ.html | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/doc/FAQ b/doc/FAQ index fd99d36088..768b6f362c 100644 --- a/doc/FAQ +++ b/doc/FAQ @@ -1,7 +1,7 @@ Frequently Asked Questions (FAQ) for PostgreSQL - Last updated: Sun Mar 3 11:02:16 EST 2002 + Last updated: Sun Mar 3 13:35:39 EST 2002 Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) @@ -707,7 +707,7 @@ 4.8) My queries are slow or don't make use of the indexes. Why? Indexes are not automatically used by every query. Indexes are only - used if the table is larger than a minimum size, and the index selects + used if the table is larger than a minimum size, and the query selects only a small percentage of the rows in the table. This is because the random disk access caused by an index scan is sometimes slower than a straight read through the table, or sequential scan. diff --git a/doc/src/FAQ/FAQ.html b/doc/src/FAQ/FAQ.html index dbb656686e..7e6e97b1fc 100644 --- a/doc/src/FAQ/FAQ.html +++ b/doc/src/FAQ/FAQ.html @@ -14,7 +14,7 @@ alink="#0000ff">

Frequently Asked Questions (FAQ) for PostgreSQL

-

Last updated: Sun Mar 3 11:02:16 EST 2002

+

Last updated: Sun Mar 3 13:35:39 EST 2002

Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
@@ -903,7 +903,7 @@

4.8) My queries are slow or don't make use of the indexes. Why?

Indexes are not automatically used by every query. Indexes are only - used if the table is larger than a minimum size, and the index + used if the table is larger than a minimum size, and the query selects only a small percentage of the rows in the table. This is because the random disk access caused by an index scan is sometimes slower than a straight read through the table, or sequential scan. -- 2.11.0