Introduction - If you have any usage issues, please Google them yourself
Wages Manager (1) employee information input, modify and delete operations (2) School of Statistics, the total wages of all workers and average wages (3) statistics by sector and total wages of workers the average wage (4) Statistics of the departments within the College of the average wage of workers wages higher than the number of people, and display the appropriate employee information (5) the wages of workers within the department, in descending order (6) the department or name query wage workers.