读事务需要数据的一致视图 —— 即当同时提交两个读事务时,如果它们选择相同的数据范围,那么应该产生一致的结果集。
Read transactions require a consistent view of the data -- meaning if two read transactions are submitted at the same time, they should produce uniform result sets if they select the same data ranges.
如果这两种根同时摆在你们面前,希望你们都会选择甜的。
Hopefully you would all choose the sweet if two are put in front of you.
如果您通过CTRL和鼠标同时选择前两个选项,那么您会看到一个显示两个相邻选项的缩略窗口。
If you choose the first two options, use the CTRL with the mouse to get a thumbnail window for each option to appear side by side.
Hopefully you would all choose the sweet if two are put in front of you.
如果这两种根同时摆在你们面前,希望你们都会选择甜的。
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