MySQL 5.7 預設值的改善

在「Improved Server Defaults in 5.7」這篇文章裡面講了 MySQL 5.7 預設值有那些是朝好的方向演進,雖然我覺得有些有風險在...


innodb_strict_mode — This brings InnoDB in line with our overall goal of making MySQL behavior more strict by default, thus helping you ensure the integrity, validity, and durability of your data. This also falls in line with a parallel goal of making MySQL more SQL standard compliant by default.

可以參考「Making strict sql_mode the default」這篇文章的說明,當你把 -1 塞到 UNSIGNED INT 欄位時會直接發生錯誤,而非 fallback 到 0

然後是 InnoDB 熱機機制的改善,以及檔案格式預設值的改變。

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