开启全局读锁 flush tables with read lock; if(window.hljsLoader && !document.currentScript.parentNode.hasAttribute('data-s9e-livepreview-onupdate')) { window.hljsLoader.highlightBlocks(document.currentScript.parentNode); } 关闭全局读锁 unlock tables; if(window.hljsLoader && !document.currentScript.parentNode.hasAttribute('data-s9e-livepreview-onupdate')) { window.hljsLoader.highlightBlocks(document.currentScript.parentNode); }

mysql 如何全局读锁呢？又如何解除全局读锁呢

keven

如题

keven

开启全局读锁

flush tables with read lock;

关闭全局读锁

unlock tables;