目录一、Doris架构二、基本概念1. Row & Column2. Partition & Tablet3. 建表示例（1）列的定义（2）分区分桶（3）多列分区（4）PROPERTIES（5）ENGINE三、数据模型1. Aggregate 模型2. Uniq 模型3. Duplica
Let\'s assume I have a database with two tables: categories and articles. Every article belongs to a category.
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