Business is a sector, and the business sector refers to the listed companies participating in venture capital in the main board market, which are expected to gain more benefits in the GEM listing, or stocks with the concept of "split" listing. Growth enterprise market, also known as the second board market, is a new market which is significantly different from the traditional main board market in terms of listing resources, listing conditions, trading methods and supervision means. The listed resources of GEM are mainly high-growth small and medium-sized enterprises, among which high-tech industries account for a large proportion.
Define the name and business space of the data warehouse, and take the relatively independent business in the enterprise as the allocation unit. For example, the business involves retail and entertainment, and the system is relatively independent, so it is necessary to build two business segments: retail and entertainment. If the business only involves retail, and there is less isolation between the internal systems of the business, then only one business part, namely retail, needs to be built.