原文:bee must have one register DataBase alias named `default`

bee must have one register DataBase alias named default 在你初始化db,注冊默認數據庫時,看看你是否import初始化注冊數據庫驅動driver ...

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yarn出現“There are no scenarios ; must have at least one"

錯誤信息:“There are no scenarios ; must have at least one" 背景:在將vscode自動化構建編譯打包時出現這種情況,主要是執行yarn這一步出現的。 本次這個另外的虛擬機環境有點亂,主要體現為版本不統一(比如node.js要求為8.12.0 ...

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Mysql錯誤:Every derived table must have its own alias

Mysql報錯:Every derived table must have its own alias <缺少一個別名> 在子查詢中經常會犯的錯誤 。這個別名其實沒啥用途.... 但是必須要加上不然就會報錯。 select name,class from ...

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MySql 1248 - Every derived table must have its own alias

執行一個sql語句,報錯:1248 - Every derived table must have its own alias 提示說每一個衍生出來的表,必須要有自己的別名 執行子查詢的時候,外層查詢會將內層的查詢當做一張表來處理,所以我們需要給內層的查詢加上別名 錯誤 ...

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