diff --git a/doc/FAQ b/doc/FAQ index 6771e9447f07ebd8d4aea9f2a980af120b7ca7d0..87025372967fce51b2d517e9612f3c99b1b8cca4 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 35f5024d19f6fa3ebbdfd8b40cf50ad52f2b6a49..af7de1d57df7b281d43ba2e0ecf0bb343988326d 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>