ERROR 3009 (HY000): Column count of mysql.user is wrong. Expected 45, found 42. Created with MySQL 50560, now running 50725. Please use mysql_upgrade
centos7.5 登入mysql,進行授權報錯 問題: 原因: 解決方法: ...
原文：MySQL ERROR 3009 (HY000): Column count of mysql.user is wrong. Expected 45, found 42. Created with MySQL 50560, now running 50729. Please use mysql_upgrade to fix this error.
.產生原因 在卸載原有的mysql . 之后，安裝了mysql . ，進入數據庫后，我發現原有的數據庫都還在，但是在創建用戶的時候報錯 原因：錯誤是由於你曾經升級過數據庫，升級完后沒有使用 mysql upgrade升級數據結構造成的。 解決辦法：更新數據庫 mysql upgrade uroot p 然后進入數據庫，執行語句 這次沒有報錯 參考鏈接： https: blog.csdn.net ...
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