目录
一、 Java 基础
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1
1.Java 基础 知识
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1
2.集合(必会)
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10
3. 多线程(必会)
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15
4.线程池
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19
6. Jvm
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22
二、 Web
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27
1.网络通讯部分
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27
2.cookie 和 session 的区别？（必会）
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30
3.Jsp 和 Servlet（了解）
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31
4.Ajax 的介绍（必会）
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32
三、 数据库
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33
1.连接查询（必会）
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33
2.聚合函数（必会）
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33
3.SQL 关键字(必会)
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33
4. SQL Select 语句完整的执行顺序: (必会)
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34
5. 数据库三范式(必会)
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34
6. 存储引擎 （高薪常问）
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34
1.MyISAM 存储引擎
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34
2.InnoDB 存储引擎
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35
7.数据库事务（必会）
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35
8.索引
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36
9.数据库锁(高薪常问)
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40
1.行锁和表锁
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40
2.悲观锁和乐观锁
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40
10.MySql 优化(高薪常问)
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41
1) 定位执行效率慢的 sql 语句.(了解)
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41
2) 优化索引(高薪)
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42
3) Sql 语句调优(高薪)
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42
