Aggregate functions return a single result row based on a group of rows. This differentiates them from Single-Row functions which act on each row. These functions are extensively used with the GROUP BY clause in SQL statements. AVG (), COUNT (), SUM () ... are few aggregate functions which are quite commonly used. Today, one ...
Almost all the user interfaces that I have created had this functionality of selecting multiple items from a list to process them or delete them. Although its very very easy to implement this functionality in Javascript, using jQuery for this is real fun. I will show you a simple implementation of adding multiple checkbox select and ...
Let us make a complete end-to-end application using Spring 3.0 MVC as front end technology and Hibernate as backend ORM technology. For this application we will also use Maven for build and dependency management and MySQL as database to persist the data.The application will be a simple Contact Manager app which will allow user to add new contacts. The list of contacts will be ...