目录前言一、自增ID什么是自增ID？案例：订单表优点缺点二、UUID什么是UUID？案例：用户表优点缺点三、雪花算法（Snowflake）什么是雪花算法？案例：分布式日志表优点缺点四、业务字段组合什么是业务字段组合？案例：
I am making a simulator and have written lots of files and headers. The problem is whenever I include a file I give the relative path of the particular file. For example a typical code in my applicati
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