asp fun wrote:1) I want to use Eclipse as a tool. Do I still need to learn HTML5?
Of course you do. Why wouldn't you?
asp fun wrote:2) What is relationship between Eclipse and HTML5?
Eclipse is an editor. HTML5 is a markup language.
asp fun wrote:3) My goal is develop applications to run in Xoom (Android tablet) to connect our company's SQL server data.
Can I use HTML5 to do it?
You could if you use Javascript and optionally AJAX capabilities (depending on your needs) that communicate with a
servlet on your company's server.