android 6 面试知识点
1. 增删改查的Sql语句 建表:create table user(id Integer(11) primary key auto_increment,name varchar(20)); 增:insert into user(name,age,sex) values(?,?,?); 删:delete from user where name=?; 改:update user set age=21 where name=lisi; —把lisi的年龄改成21 查询所有:select * from user; 根据名称查找:select * from user where name=?; 2.
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