Bruce Momjian
git-svn-id: file:///Users/dpage/pgweb/svn-repo/trunk@2808
8f5c7a92-453e-0410-a47f-
ad33c8a6b003
</p>
<p>
-Major releases usually change the internal format of system tables and data files. These changes are often complex, so we do not maintain backward compatibility of all stored data. A dump/reload of the database or use of the <a href="http://www.postgresql.org/docs/current/static/pgupgrade.html">pg_upgrade</a> module is required for major upgrades.
+Major releases usually change the internal format of system tables and data files. These changes are often complex, so we don't maintain backward compatibility for data files. A dump/reload of the database is required for major upgrades.
</p>
<p>