You are approached by an on-line training business to develop a database design for their instructor-led training in English or Chinese. They deal with more than fifty technical subjects which are for either
students or professionals. A subject may be offered under one or more categories. The business contracts with various instructors who are assigned one or more specific time-slots to teach the courses. The same
course can be offered by more than one instructor at the same time. Each course lasts for four to six weeks. The students and professionals can register for the course on-line and once they are registered for one
course, they can attend the classes by any instructor who teaches the same course on-line at the same time.
English is the dialect of survival in the present skirmish of life .This commonness of English dialect came because of the British colonizing developments beforehand and the present prudent and political intensity of English talking nations that forced themselves and thus forced their dialect on the globe. The exposition will incorporate the reasons for the strength of English on the planet, its part on the planet and in my life and also the negative consequences of this predominance. The present far reaching of the English dialect worldwide is evident from the immense number of its clients which is around 1.8 billion speakers  , and additionally the expanding rate of its students which approaches a billion. This astounding enthusiasm for learning English which can be seen from the gigantic number of its students mirrors the main job it plays in our present reality. This driving job has different angles. For example, the globalized world that English made, presents a method for associating the en>