1:update from tb_test set mid = 1 where id in(1,2,3,……)2:insert into tb_test(id,mid) values (1,2), (2,3), (3,4), (……) 听说:写操作时会自动加排它锁,并且上面这种情况,锁行是一行一行的锁,然后最后...
JavaScript Standard Style 的规则建议写着: Wrap conditional assignments with additional parentheses. This makes it clear that the expression is intentionally an assignment (=) rather than a typo fo...