mysql數據庫4種事務隔離級別驗證

1.建表 create table account(id int primary key,name varchar(20),account decimal(15,3)); 2.準備初始數據 insert into account(id,name,account) values (1,'lilei',450),(2,'hanmei',16000),(3,'lucy',2400); 3.查看當前默認隔

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