# Mvcc (Continue...)

![left](./student-guide/diagram/MVCC03_aa_001_20220511.png)

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Second, continue read in Write CF, and scan KEY = 2_110 (user key = 2, STO submitted is 110), and we did not find KEY = 2 in Lock CF. At this time, since the value that has been submitted is recorded in Write CF, and it is from near to far in time, Therefore, in Write CF, KEY = 2_110 is the most recent commit with an STO of 120, so we find KEY = 2_100, VALUE = 100 in DEFAULT CF according to KEY = 2_110, VALUE = 100 in Write CF Candy is the value.