How to use custom mysql query from my liferay custom portlet?
问题 I am using Liferay and developing my custom portlet, now I want to use custom query to retrieve some data from multiple table with joins etc. I have googled the things for my problem but can't find the simple way to understand the step-by-step procedure. So if any one can guide me or give me any tutorial to create Custom SQL query for my custom portlet. after this 4th step i have built my service in eclipse,and its showing successfully.there are two file created in service/persistence package