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怎麼用MySQL語言進行行列裝置？

2022-07-01 16:07:00 【CSDN問答】

這是我數據庫裏面的原數據，中國各省曆年GDP總值。

我想把數據庫裏的數據行列轉置，變成下面這張圖那樣

請問SQL語言要這麼寫？

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