数据库并发事务问题图解 Dirty read Lost to modify Unrepeatableread Phantom read 不可重复读和幻读区别 Dirty read 当一个事务A正在访问数据并且对数据进行了修改,但是这次修改还没有提交到数据库中,此时另外一个事务B也访问了这个数据,然后使用了这个数据。因为这个数据还是提交前的数据,此时另一个事务B读到的数...
随着数据库应用的广泛使用,数据库并发性和一致性的问题成为了引起重视的问题之一。其中,脏读(Dirty Read)和幻读(Phantom Read)是常见的并发访问问题,本文将对脏读、幻读进行详细介绍,并结合实际案例说明如何使用并发控制技术来解决这些问题。 数据库必备知识:脏读和幻读的定义及应对策... ...
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Dirty Vegas’ biggest hit was there from the get-go:“I was pitching around the labels at the time to be a solo singer-songwriter. ‘Days Go By’ was on the showreel,” Smith recalls. “The guys had said, ‘Come into the studio, let’s make some house music’. We were doin...