1:加载驱动
2:连接数据库
3:操作数据库

创建表:
create table person(
     _id integer primary key,
     name varchar(20),
     age integer
);

添加: insert into person(name, age) values('lisi', 19);

删除: delete from person where _id = 1;

修改: update person set name = '李四' where name = '王五';

查询所有: select * from person;

查询单条: select * from person where name = 'zhangsan';

1:加载驱动
2:连接数据库
3:操作数据库

创建表:
create table person(
     _id integer primary key,
     name varchar(20),
     age integer
);

添加: insert into person(name, age) values('lisi', 19);

删除: delete from person where _id = 1;

修改: update person set name = '李四' where name = '王五';

查询所有: select * from person;

查询单条: select * from person where name = 'zhangsan';