In this blog the procedure of mongodb will be described in details. It is known that mongodb has provided a series of efficient solution to some different questions, such as high performance, changeable type and so on. Compared with the mysql databas…
From this blog, we start to talk about the index in mongo Database, which is similar to the traditional database. Generally speaking, if the index need to be created in the traditional database, so does MongoDB. In MongoDB ,the field '_id ' has been…
The Java Connections FrameWork is a group of class or method and interfacs in the java.util package. Its main purpose is to provide a unified framework for implementing common data structure. A collections is a object that contains other objects,whic…