Similar to other programming, markup, and markdown languages, comments in HTML provide other developers with development specific information without affecting the user interface. Unlike other languages however, HTML comments can be used to specify HTML elements for Internet Explorer only. This topic explains how to write HTML comments, and their functional applications.
Comments are used to show information in a batch script.
<!--
and -->
. There are two solutions to comment any JSF code COMMMENT main purpose is to define or change a comment on database object.
Only a single comment(string) can be given on any database object.COMMENT will help us to know what for the particular database object has been defined whats its actual purpose is.
The rule for COMMENT ON ROLE is that you must be superuser to comment on a superuser role, or have the CREATEROLE privilege to comment on non-superuser roles. Of course, a superuser can comment on anything