Why you need it?
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全局事务A 修改表B中id为1的b1和b2字段
全局事务B 修改表B中id为1的b3和b4字段
若全局事务A在执行记录修改后未结束，则全局事务B中的修改无法开始，如果能将锁的标识在加上修改的列名，那么就可以让这两个同时进行。
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2条答案
按热度按时间2nc8po8w1#
我们正在计划哦，请期待
wfveoks02#
I wanted todo