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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## 一、mysql索引 ### like走不走索引? 左匹配,右模糊,走索引。 ## 二、新人筆試篇 ### 2-1 關聯查詢SQL考查: 寫SQL如何判斷網約車? ``` -- 給網約車車輛打標記 SELECT * from tc_taxi p1,edw_global_vehicle p2 where p1.no = p2.plate_number and p2.business_scope_code = 10000; ``` 寫一個update語句,更新`tc_taxi`的`type`字段。 ```SQL UPDATE tc_taxi p1,edw_global_vehicle p2 set p1.type = '網約車' where p1.no = p2.plate_number and p2.business_scope_code = 10000; ```
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