Commit 3debf968 authored by Bruce Momjian's avatar Bruce Momjian

Fix markup.

parent 026a8510
Frequently Asked Questions (FAQ) for PostgreSQL Frequently Asked Questions (FAQ) for PostgreSQL
Last updated: Thu Feb 24 19:32:04 EST 2005 Last updated: Thu Feb 24 19:33:07 EST 2005
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
...@@ -645,10 +645,10 @@ ...@@ -645,10 +645,10 @@
FROM tab FROM tab
WHERE col IS NULL; WHERE col IS NULL;
To sort by the NULLIS NULL To sort by the NULL status, use the IS NULL and IS NOT NULL modifiers
and IS NOT NULL modifiers in your WHERE clause. Things that are true in your WHERE clause. Things that are true will sort higher than
will sort higher than things that are false, so the following will put things that are false, so the following will put NULL entries at the
NULL entries at the top of the resulting list: top of the resulting list:
SELECT * SELECT *
FROM tab FROM tab
ORDER BY (col IS NOT NULL) ORDER BY (col IS NOT NULL)
......
...@@ -10,7 +10,7 @@ ...@@ -10,7 +10,7 @@
alink="#0000ff"> alink="#0000ff">
<H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1> <H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1>
<P>Last updated: Thu Feb 24 19:32:04 EST 2005</P> <P>Last updated: Thu Feb 24 19:33:07 EST 2005</P>
<P>Current maintainer: Bruce Momjian (<A href= <P>Current maintainer: Bruce Momjian (<A href=
"mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>) "mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>)
...@@ -828,7 +828,7 @@ table?</TD><TD>unlimited</TD></TR> ...@@ -828,7 +828,7 @@ table?</TD><TD>unlimited</TD></TR>
WHERE col IS NULL; WHERE col IS NULL;
</PRE> </PRE>
<P>To sort by the <SMALL>NULL</SMALL status, use the <SMALL>IS NULL</SMALL> <P>To sort by the <SMALL>NULL</SMALL> status, use the <SMALL>IS NULL</SMALL>
and <SMALL>IS NOT NULL</SMALL> modifiers in your <SMALL>WHERE</SMALL> clause. and <SMALL>IS NOT NULL</SMALL> modifiers in your <SMALL>WHERE</SMALL> clause.
Things that are <I>true</I> will sort higher than things that are <I>false</I>, Things that are <I>true</I> will sort higher than things that are <I>false</I>,
so the following will put NULL entries at the top of the resulting list:</P> so the following will put NULL entries at the top of the resulting list:</P>
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment