[轉]排它鎖&共享鎖&樂觀鎖&悲觀鎖

1.排它鎖 客戶端1php set autocommit=0; BEGIN; SELECT * from bb_blog where id = 1 for update; update bb_blog set title = 5525 where id = 1; //這裏沒有提交事務 commit，由於提交以後就是解鎖了 客戶端1mysql SELECT * from bb_blog where

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