Update FAQ.

diff --git a/doc/FAQ b/doc/FAQ
index 72c208db15f7d774c7e7e70e0e740515c31fdd78..09ea0c98dbc86a6b5f0b692fbda0ee4c28e91976 100644 (file)
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@@ -1,7 +1,7 @@
 
                 Frequently Asked Questions (FAQ) for PostgreSQL
                                        
-   Last updated: Sat Sep 22 20:07:41 EDT 2001
+   Last updated: Fri Oct 12 21:32:36 EDT 2001
    
    Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
    
@@ -790,6 +790,12 @@ BYTEA           bytea           variable-length byte array (null-safe)
    data types are also subject to compression or being stored out-of-line
    by TOAST, so the space on disk might also be less than expected.
    
+   CHAR() is best when storing strings that are usually the same length.
+   VARCHAR() is best when storing variable-length strings, but you want
+   to limit how long a string can be. TEXT is for strings of unlimited
+   length, maximum 1 gigabyte. BYTEA is for storing binary data,
+   particularly values that include NULL bytes.
+   
     4.16.1) How do I create a serial/auto-incrementing field?
     
    PostgreSQL supports a SERIAL data type. It auto-creates a sequence and

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   alink="#0000FF">
     <H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1>
 
-    <P>Last updated: Sat Sep 22 20:07:41 EDT 2001</P>
+    <P>Last updated: Fri Oct 12 21:32:36 EDT 2001</P>
 
     <P>Current maintainer: Bruce Momjian (<A href=
     "mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>)<BR>
@@ -1003,6 +1003,12 @@ BYTEA           bytea           variable-length byte array (null-safe)
     stored out-of-line by <SMALL>TOAST</SMALL>, so the space on disk
     might also be less than expected.</P>
 
+    <P>CHAR() is best when storing strings that are usually the
+    same length.  VARCHAR() is best when storing variable-length strings,
+    but you want to limit how long a string can be.  TEXT is for strings
+    of unlimited length, maximum 1 gigabyte.  BYTEA is for storing
+    binary data, particularly values that include NULL bytes.</P>
+    
     <H4><A name="4.16.1">4.16.1</A>) How do I create a
     serial/auto-incrementing field?</H4>