Update FAQ.

diff --git a/doc/FAQ b/doc/FAQ
index c75ee9d62b96c31b0229ab722360ac1c945fc602..580ced306b3426ef3154a3827eb4415b79071b1e 100644 (file)
--- a/doc/FAQ
+++ b/doc/FAQ
@@ -1,7 +1,7 @@
 
                 Frequently Asked Questions (FAQ) for PostgreSQL
                                        
-   Last updated: Mon Jan 27 01:24:42 EST 2003
+   Last updated: Thu Feb 13 23:07:35 EST 2003
    
    Current maintainer: Bruce Momjian ([email protected])
    

diff --git a/doc/src/FAQ/FAQ.html b/doc/src/FAQ/FAQ.html
index b1ca31a3855d364737cc3b2b7fdcbea55634ae3a..5a2025f88bdf0c76081970e1048a4c2e8a725b72 100644 (file)
--- a/doc/src/FAQ/FAQ.html
+++ b/doc/src/FAQ/FAQ.html
@@ -10,7 +10,7 @@
   alink="#0000ff">
     Frequently Asked Questions (FAQ) for PostgreSQL
 
-    Last updated: Thu Dec  5 00:47:26 EST 2002
+    Last updated: Thu Feb 13 23:07:35 EST 2003
 
     Current maintainer: Bruce Momjian (
     "mailto:[email protected]">[email protected])
@@ -318,7 +318,7 @@
 
     1.7) What is the latest release?
 
-    The latest release of PostgreSQL is version 7.2.3.
+    The latest release of PostgreSQL is version 7.3.1.
 
     We plan to have major releases every four months.
 
@@ -536,8 +536,8 @@
     interface?
 
     Yes, there are several graphical interfaces to PostgreSQL available.
-    These include PgAccess com">
-    http://www.pgaccess.com), PgAdmin II (
+    These include PgAccess org">
+    http://www.pgaccess.org), PgAdmin II (
     href="http://www.pgadmin.org">http://www.pgadmin.org,
     Win32-only), RHDB Admin (
     href="http://sources.redhat.com/rhdb/">http://sources.redhat.com/rhdb/
@@ -547,10 +547,6 @@
     http://phppgadmin.sourceforge.net/ ), a web-based interface to 
     PostgreSQL.
 
-    We have a nice graphical user interface called PgAccess which can
-    also be used as a report generator. The Web page is
-    http://www.pgaccess.org/.
-
     2.4) What languages are able to communicate with 
     PostgreSQL?
 
@@ -757,11 +753,6 @@
     the number of allowed backend processes is so your system won't run
     out of resources.
 
-    In PostgreSQL versions prior to 6.5, the maximum number of
-    backends was 64, and changing it required a rebuild after altering
-    the MaxBackendId constant in
-    include/storage/sinvaladt.h.
-
     3.9) What is in the pgsql_tmp directory?
 
     This directory contains temporary files generated by the query 
@@ -947,6 +938,10 @@
     LIMIT 1;
 
 
+    If you believe the optimizer is incorrect in choosing a
+    sequential scan, use SET enable_seqscan TO 'off' and
+    run tests to see if an index scan is indeed faster.
+
     When using wild-card operators such as LIKE or
     ~, indexes can only be used in certain circumstances:
     
@@ -1039,10 +1034,10 @@
 
 Type            Internal Name   Notes
 --------------------------------------------------
-"char"          char            1 character
-CHAR(n)         bpchar          blank padded to the specified fixed length
 VARCHAR(n)      varchar         size specifies maximum length, no padding
+CHAR(n)         bpchar          blank padded to the specified fixed length
 TEXT            text            no specific upper limit on length
+"char"          char            one character
 BYTEA           bytea           variable-length byte array (null-byte safe)
 
 
@@ -1056,11 +1051,13 @@ BYTEA           bytea           variable-length byte array (null-byte safe)
     stored out-of-line by TOAST, so the space on disk
     might also be less than expected.
 
-    CHAR(n) is best when storing strings that are
-    usually the same length. VARCHAR(n) is best when
-    storing variable-length strings but it limits how long a string can
-    be. TEXT is for strings of unlimited length, maximum
-    1 gigabyte. BYTEA is for storing binary data,
+    VARCHAR(n) is best when storing variable-length
+    strings and it limits how long a string can be. TEXT
+    is for strings of unlimited length, with a maximum of one gigabyte.
+    CHAR(n) is for storing strings that are all the
+    same length. CHAR(n) pads with blanks to the specified
+    length, while VARCHAR(n) only stores the characters
+    supplied.  BYTEA is for storing binary data,
     particularly values that include NULL bytes. These
     types have similar performance characteristics.
 
@@ -1286,7 +1283,7 @@ BYTEA           bytea           variable-length byte array (null-byte safe)
 
 
     For this to be fast, subcol should be an indexed column.
-    We hope to fix this limitation in a future release.
+    This preformance problem will be fixed in 7.4.
 
     4.23) How do I perform an outer join?
 




This is the main PostgreSQL git repository.
RSS
Atom



window.onload = function () {
	var tz_cookie = { name: 'gitweb_tz', expires: 14, path: '/' };
	onloadTZSetup('local', tz_cookie, 'datetime');
};