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          ??一站式輕松地調用各大LLM模型接口，支持GPT4、智譜、豆包、星火、月之暗面及文生圖、文生視頻
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                            *（這一塊建議都自己實現一遍，對后面學習 Hive 有幫助）*
<br/>

需求：
客戶表數據 customers：
![](https://img.kancloud.cn/ec/79/ec79fc1608a3b52291d3af0658c4f268_1187x427.png)
訂單表 orders
![](https://img.kancloud.cn/ed/8c/ed8c1482da214f09a1af49cbaa5a62bf_1073x289.png)
將客戶信息表中數據根據客戶 id 合并到訂單數據表中。
最終數據形式：
![](https://img.kancloud.cn/6e/23/6e23c36a521e0e36befe6d392f951aea_959x392.png)
使用 MapReduce 實現 Join 的操作有兩種方式，分別是 **Map 端 Join** 和 **Reduce端 Join**。

                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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