MySQL：The used SELECT statements have a different number of columns
執行SQL報錯：The used SELECT statements have a different number of columnsweb 以上翻譯：使用的SELECT語句具備不一樣數量的列sql 緣由：咱們在 SQL 語句中使用了 UNION 鏈接兩張表時，查詢字段數量不一致致使svg # 效果展現： 咱們須要將數據展現如上圖所示spa # 錯誤案例：翻譯 SELECT
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相關文章
- 1. mysql The used SELECT statements have a different number of columns
- 2. The used select statements have a different number of columns解決辦法
- 3. mysql ERROR 1222 (21000): The used SELECT statements have a different number of columns
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