Merge "Update the mysql documentation concerning charsets"

Documentation/database-setup.txt

@@ -52,11 +52,18 @@ rights on it:
 
   CREATE USER 'gerrit2'@'localhost' IDENTIFIED BY 'secret';
   CREATE DATABASE reviewdb;
-  ALTER DATABASE reviewdb charset=latin1;
   GRANT ALL ON reviewdb.* TO 'gerrit2'@'localhost';
   FLUSH PRIVILEGES;
 ----
 
+If you are using the MyISAM engine, you need to set latin1 as charset:
+
+----
+  mysql
+
+  ALTER DATABASE reviewdb charset=latin1;
+----
+
 Visit MySQL's link:http://dev.mysql.com/doc/[documentation] for further
 information regarding using MySQL.