Here is a paper [0] out of Berkeley that explains the chart you're asking about (the chart appears on page 8). For more information on each isolation level you

Here is a paper [0] out of Berkeley that explains the chart you're asking about (the chart appears on page 8). For more information on each isolation level you might have to refer to the cited works or other sources. [0] http://db.cs.berkeley.edu/papers/vldb14-hats.pdf http://db.cs.berkeley.edu/papers/vldb14-hats.pdf