说明：  no intro
(a student performance editing procedures, the advantages and disadvantages of the design process : the array to achieve functional and easy to read. easy to operate. Features include : 1. The establishment of documents : to create a number of different data document preservation; Included : from the existing arbitrary files contain data; Preservation : may data will be entered into the preservation of existing documents, the proposed new document, the original document will cover data. 2. Students add or remove data, inquiries by students, school name, results (including the performance), average scores for a total average score and branches. 3. There are various sequencing functions : Sort of by the school, the average score in a certain class performance ranking. 4. Failing category Stat)