Java面试题数据库-阿里云

Java 最常见的面试题：数据库的三范式是什么？

第一范式：强调的是列的原子性，即数据库表的每一列都是不可分割的原子数据项。第二范式：要求实体的属性完全依赖于主关键字。所谓完全依赖是指不能存在仅依赖主关键字一部分的属性。第三范式：任何非主属性不依赖于其它非主属性。

Java面试题-数据库篇十一

作为一枚Java后端开发者，数据库知识必不可少，对数据库的掌握熟悉度的考察也是对这个人是否有扎实基本功的考察。特别对于初级开发者，面试可能不会去问框架相关知识，但是绝对不会不去考察数据库知识，这里收集一些常见类型的SQL语句，无论对于平常开发还是准备面试，都会有助益。基本表结构： &nbs...

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【每日打卡】应届生、跳槽者必看JAVA面试题-数据库篇(一)

秋招将至,特意收集了最新的面试题目,坚持每日学习、打卡,Offer自然来!题目会持续更新,且保证有质量,期待你的参与,一起打卡,一起进步!一: Mysql的存储引擎分类 InnoDB: 支持事务,行锁及无锁读提高了并发的效率,为了数据的完整性,支持外键 MyISAM: 不支持...

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