Library System
This program is a very small one but it is very useful for other student in cambodia or other countries in the world in order to help them by create new one as their experience
During Java development, SQL is often used to address the database related computation. However, "Ordered Computation" is very inconvenient to realize by writing SQL statements. For example, according to Contract table, compute the monthly growth rate of contract values for each sales man in a specified period. The result set of SQL follows a weird convention that the result set returned directly