Database Deployment Update

Few updates for database deployments and added additional references to
official doc.

Change-Id: I43be78e2e2fdf9ba17937752f754431fc66fea3c
diff --git a/Documentation/database-setup.txt b/Documentation/database-setup.txt
index a7ff2c6..617d1a3 100644
--- a/Documentation/database-setup.txt
+++ b/Documentation/database-setup.txt
@@ -32,10 +32,12 @@
 full rights on the newly created database:
 
 ----
-  createuser -A -D -P -E gerrit2
-  createdb -E UTF-8 -O gerrit2 reviewdb
+  $ createuser --username=postgres -A -D -P -E gerrit2
+  $ createdb --username=postgres -E UTF-8 -O gerrit2 reviewdb
 ----
 
+Visit PostgreSQL's link:http://www.postgresql.org/docs/9.1/interactive/index.html[documentation] for further information regarding
+using PostgreSQL.
 
 [[createdb_mysql]]
 MySQL
@@ -56,4 +58,7 @@
   ALTER DATABASE reviewdb charset=latin1;
   GRANT ALL ON reviewdb.* TO 'gerrit2'@'localhost';
   FLUSH PRIVILEGES;
-----
\ No newline at end of file
+----
+
+Visit MySQL's link:http://dev.mysql.com/doc/[documentation] for further
+information regarding using MySQL.