The coexistence of the standard discourse and the emergent discourses is the linguistic reflection of China s diversified social culture.

SQL language(structured query language)is the standard language of database,choosed as a database teaching language,its outstanding advantage is that the definition of data,data query,data manipulation and control of the four major functions in the data integration.

The broad sense refers to literary language which can also be translated into standard language, but the narrow sense only refers to language used in literature, that is literary version language, which is written in literature by writers aiming at conveying feelings and meanings and showing creative ideas.