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-rw-r--r--doc/FAQ4
-rw-r--r--doc/src/FAQ/FAQ.html5
2 files changed, 7 insertions, 2 deletions
diff --git a/doc/FAQ b/doc/FAQ
index 6771e9447f0..87025372967 100644
--- a/doc/FAQ
+++ b/doc/FAQ
@@ -1,7 +1,7 @@
Frequently Asked Questions (FAQ) for PostgreSQL
- Last updated: Mon Jun 24 23:35:08 EDT 2002
+ Last updated: Thu Jul 4 15:25:57 EDT 2002
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
@@ -707,6 +707,8 @@
Indexes do not require as much overhead, but do contain the data that
is being indexed, so they can be large also.
+ NULLs are stored in bitmaps, so they use very little space.
+
4.7) How do I find out what tables, indexes, databases, and users are
defined?
diff --git a/doc/src/FAQ/FAQ.html b/doc/src/FAQ/FAQ.html
index 35f5024d19f..af7de1d57df 100644
--- a/doc/src/FAQ/FAQ.html
+++ b/doc/src/FAQ/FAQ.html
@@ -14,7 +14,7 @@
alink="#0000ff">
<H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1>
- <P>Last updated: Mon Jun 24 23:35:08 EDT 2002</P>
+ <P>Last updated: Thu Jul 4 15:25:57 EDT 2002</P>
<P>Current maintainer: Bruce Momjian (<A href=
"mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>)<BR>
@@ -909,6 +909,9 @@
<P>Indexes do not require as much overhead, but do contain the data
that is being indexed, so they can be large also.</P>
+ <P><SMALL>NULL</SMALL>s are stored in bitmaps, so they
+ use very little space.</P>
+
<H4><A name="4.7">4.7</A>) How do I find out what tables, indexes,
databases, and users are defined?</H4>