JDBC连接mySQL进行学生信息的查询和插入

1.在数据库中新建表格（做简单的插入）

CREATE DATABASE student;
CREATE TABLE studentinfo( 
  id INT PRIMARY KEY,
  id_name VARCHAR(20),
  gender VARCHAR(20),
  age INT);
 
 INSERT INTO studentinfo(id,id_name,gender,age)VALUES(001,"join","male",19);
 INSERT INTO studentinfo(id,id_name,gender,age)VALUES(002,"mark","male",20);
 INSERT INTO studentinfo(id,id_name,gender,age)VALUES(003,"lily","female",18);
 INSERT INTO studentinfo(id,id_name

悦读

道可道，非常道；名可名，非常名。无名，天地之始，有名，万物之母。故常无欲，以观其妙，常有欲，以观其徼。此两者，同出而异名，同谓之玄，玄之又玄，众妙之门。