Need a example about simple porlet using Plugin SDK 5.2.3 connect database

[Khoi Nguyen, módosítva 12 év-val korábban]

Hi everybody .
I need a example and source code about simple porlet using Plugin SDK connect MySQL database to input database and output database .
I am new member and studing Liferay by myself . I really try to input MySQL database and output MySQL database but I can not do it because my level is beginner , so I need your help very much.
Lalit , Walter , Oliver and everybody , can you show me how create a simple porlet using Plugin SDK connect database to input database and output database ?
Thanks for all .

[Corné Aussems, módosítva 12 év-val korábban]

You may get by with the Portal Administrator's Guide ]documentation , Portlet samples]samples and some blogs.

Your best option would be a book;
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