Introduction - If you have any usage issues, please Google them yourself
Require each student information to include student id (xh), name (xm), gender (xb), age (nl), professional (zy) and so on, complete the following functions:
(1) the input of basic information record, enter ()
(2) to increase a student records (and function of 1)-- insert ()
(3) delete specified (by name)-- delete student information ()
(4) modify the specified (by name) of the students information)- the modify ()
(5) query qualified students (b