案例数据 id(主键)c(普通索引)d(无索引) 5 5 5 10 10 10 15 15 15 20 20 20 25 25 25 案例一:间隙锁简单案例 步骤事务A事务B 1 begin;select * from t where id = 11 for update; - 2 - insert Read More
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