Public Class

A few days ago, China's 26th national teeth, affiliated primary School of Beijing Jiaotong University, Haidian District in Beijing, attended a public class on the subject of "healthy oral and happy growth". This open class is the Chinese dental disease Prevention and Control foundation of the strong advocacy and support by the "China Student Health" sponsored by the professional oral care brand "Shu-baby" participated in the "2014 National Teeth Campus Health Promotion Joint Action" of a content. School Health Promotion Joint Action series Oral health patrol activities aimed at through professional, fun, interactive way, so that the majority of children understand the health of the teeth must ...

The correlation mapping is a complex mapping relationship in the mapping relationship, which has a pair of more than one or one pairs and many pairs of relationships. They are subdivided into one-way and two-way points. Let's introduce each of the following. One-way Onetoone one-way one-to-one is the simplest one in the relational mapping, simply that you can query the other party from the associated party, but not the reverse query. We use the following example to illustrate that the person entity class in Listing 1 and the address class in Listing 2 are one-way one-to-one relationships ...

SSH Framework Learning Summary final copyright: JDram314 such as reprint please post the source! The SSH framework could have been studied as early as last year, but has been to the teacher to make his research part, so has been dragged until recently was finished. By now have time to sum up, convenient to ...